Radial nerve mobilisation had bilateral sensory effects in people with thumb carpometacarpal osteoarthritis: a randomised trial

Exercise-Based Interventions Are Effective in the Management of Patients with Thumb Carpometacarpal Osteoarthritis: A Systematic Review and Meta-Analysis of Randomised Controlled Trials

Exercise-based interventions are a common management strategy in patients with thumb carpometacarpal joint osteoarthritis (CMCJ OA); however, their exact effect on or the use of an optimal training programme for reducing pain and disability remains unclear. Our purpose was to evaluate the effectiveness of exercise-based interventions compared with other conservative interventions in patients with CMCJ OA. We performed a systematic review and meta-analysis based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Fourteen randomised clinical trials with 1280 patients were finally included. Exercise-based interventions present statistically and clinically better outcomes in reducing pain intensity (mean difference [MD]: -21.91; 95% confidence interval [CI]: -36.59, -7.24; p = 0.003) and wrist disability (MD: -8.1, 95% CI: -4.6, -11.5; p = 0.02) compared with no treatment at short-term follow-up. Proprioceptive exercises have statistically and clinically better outcomes compared with standard care only in pain intensity at very short-term (standardised mean difference [SMD]: -0.76; 95% CI: -1.30, -0.21; p = 0.007) and short-term (SMD: -0.93; 95% CI: -1.86, -0.01; p = 0.049) follow-up and statistically better results in wrist disability at very short-term (SMD: -0.94; 95% CI: -1.68, -0.21; p = 0.01) follow-up. No differences were found between the comparators at mid- and long-term follow-up. Low to moderate certainty of evidence suggests that exercise-based interventions can provide clinically better outcomes compared with no treatment in patients with thumb CMCJ OA, at least in the short term.

Efficacy of neural mobilization and Maitland accessory mobilization in patients with tennis elbow- randomized controlled trial

OBJECTIVE

The objective of the study was to evaluate the efficacy of Maitland accessory mobilization and neural mobilization in patients with tennis elbow.

METHOD

Twenty-five patients meeting the selection criteria were randomly assigned to three experimental groups: Group C (conventional treatment), Group B (neural mobilization), and Group A (Maitland mobilization). Quality of life was assessed using the Patient Rated Tennis Elbow Evaluation (PRTEE), while pain, range of motion, and grip strength were evaluated using the Visual Analog Scale (VAS), a universal goniometer, and a handheld dynamometer. The interventions were administered three times per week for four weeks to the respective groups.

RESULTS

Non-parametric tests were employed to analyze the results due to the non-normal distribution of the data (p < 0.05). Both the Wilcoxon signed-rank test and the Kruskal-Wallis test were utilized to assess differences within and between groups. The results of the between-group analysis demonstrated significant differences in pain (p = 0.018) and quality of life (p = 0.045) among the three groups.

CONCLUSION

After a 4-week intervention, all three groups exhibited notable improvements in discomfort levels, grip strength, and quality of life. Notably, Group B demonstrated the most substantial increase in range of motion (ROM) compared to Groups A and C. Consequently, incorporating neural mobilization into the treatment plan is recommended for patients experiencing Tennis Elbow.

Effectiveness of Neural Mobilisation on Pain Intensity, Functional Status, and Physical Performance in Adults with Musculoskeletal Pain - A Systematic Review with Meta-Analysis

OBJECTIVE

To investigate up-to-date evidence of the effectiveness of neural mobilisation techniques compared with any type of comparator in improving pain, function, and physical performance in people with musculoskeletal pain.

DATA SOURCES

The following sources were consulted: PubMed, Web of Science, CENTRAL, CINAHL, Scopus, and PEDro databases; scientific repositories; and clinical trial registers. The last search was performed on 01/06/2023.

METHODS

Two reviewers independently assessed the studies for inclusion. We included randomised, quasi-randomised, and crossover trials on musculoskeletal pain in which at least one group received neural mobilisation (alone or as part of multimodal interventions). Meta-analyses were performed where possible. The RoB 2 and the Grading of Recommendations Assessment, Development and Evaluation tools were used to assess risk of bias and to rate the certainty of evidence, respectively.

RESULTS

Thirty-nine trials were identified. There was a significant effect favouring neural mobilisation for pain and function in people with low back pain, but not for flexibility. For neck pain, there was a significant effect favouring neural mobilisation as part of multimodal interventions for pain, but not for function and range of motion. Regarding other musculoskeletal conditions, it was not possible to conclude whether neural mobilisation is effective in improving pain and function. There was very low confidence for all effect estimates.

CONCLUSIONS

Neural mobilisation as part of multimodal interventions appears to have a positive effect on pain for patients with low back pain and neck pain and on function in people with low back pain. For the other musculoskeletal conditions, results are inconclusive.

Mobilisation or immobilisation-based treatments for first carpometacarpal joint osteoarthritis: A systematic review and meta-analysis with subgroup analyses

Introduction

Both joint mobilisation and immobilisation are thought to be effective in the treatment of first carpometacarpal joint (CMCJ) osteoarthritis (OA). The objective of this review was to establish whether either intervention reduced pain and improved pinch strength in people with first CMCJ OA in the short term and assess whether one intervention is superior to the other.

Method

This was a systematic review and meta-analysis. Seven databases were searched until May 2021. Only RCTs were included. The Cochrane Risk of Bias Tool and the Grade of Recommendations Assessment, Development and Evaluation system were utilised to rate the evidence. Random-effects meta-analysis with subgroup analyses were used.

Results

Eight studies were included with a total of 417 participants. Mobilisation treatments included manual therapy with or without exercise while immobilisation interventions utilised thumb splinting with several different designs. Very low-quality and low-quality evidence showed that mobilisation led to statistically but not clinically significant improvements in pain (standardised mean difference (SMD) = 0.53; 95% confidence interval (CI) = 0.03 to 1; I2 = 60%; p = 0.06) and pinch strength (SMD = 0.35; 95% CI = 0.03 to 0.7; I2 = 12%; p = 0.3) compared to placebo. Very low-quality and low-quality evidence showed no effect on pain and pinch strength compared to a control or no intervention. Subgroup analyses revealed no difference between interventions.

Discussion

Neither mobilisation nor immobilisation alone led to clinically important improvements in pain or pinch strength in the short term in people with symptomatic first CMCJ OA. Neither therapeutic strategy appeared to be superior.

Comparison of efficacy of fluidotherapy and paraffin bath in hand osteoarthritis: A randomized controlled trial

Objectives

This study aims to compare the efficacy of paraffin bath therapy and fluidotherapy on pain, hand muscle strength, functional status, and quality of life (QoL) in patients with hand osteoarthritis (OA).

Patients and methods

This prospective randomized controlled study included 77 patients (8 males, 69 females; mean age: 63.1±10.3 years; range 39 to 88 years) with primary hand OA who applied between July 2017 and March 2018. The patients were randomized into two groups with the sealed envelope method: Paraffin bath therapy (20 min, one session per day, for two weeks) was applied for 36 patients whereas 41 patients received fluidotherapy for the same period. The pain severity of the patients, both at rest and during activities of daily living (ADL) within the last 48 hours was questioned and scored using Visual Analog Scale. Duruöz Hand Index (DHI) was used to evaluate hand functions. Gross grip strength was measured using Jamar dynamometer whereas fine grip strength was measured using pinch meter in three different positions (lateral pinch, tip pinch, and palmar pinch). The 36-Item Short Form (SF-36) was used to analyze the QoL. All measurements were performed before, immediately after, and three months after treatment.

Results

Improvement was observed in pain score at rest and during ADL, DHI scores, gross and fine grip strengths, and SF-36 subscores in both groups after treatment. However, no significant difference was observed between the groups.

Conclusion

Both fluidotherapy and paraffin bath therapy have been found to have positive effects on pain, hand muscle strength, functional status, and QoL in the treatment of hand OA. However, no superiority was observed between the two treatment modalities.

Effectiveness of manual therapy in patients with thumb carpometacarpal osteoarthritis: a systematic review and meta-analysis

Background: The effectiveness of Manual Therapy (MT) in thumb carpometacarpal osteoarthritis (OA) is unclear.Objective: This study aimed to determine the effectiveness of MT for functional outcomes in patients with thumb carpometacarpal OA. Design: Systematic review and meta-analysis of randomized clinical trials. Methods: An electronic search was performed in the Medline, Central, Embase, PEDro, Lilacs, Cinahl, SPORTDiscus, and Web of Science databases. The eligibility criteria for selecting studies included randomized clinical trials that compared MT versus other interventions in functional outcomes, such as thumb and/or hand function questionnaires, pinch and/or grip strength, thumb and/or hand range of motion, and pain intensity or pressure pain threshold in patients with thumb carpometacarpal OA. Results: Five clinical trials met the eligibility criteria; for the quantitative synthesis, four studies were included. The mean difference (MD) for grip strength was 0.87kg (95% CI = 0.29-1.44, p = .003), for pinch strength was 0.10kg (95% CI = -0.01-0.20, p = .06), and for the pressure pain threshold was 0.64kg/cm² (95% CI = 0.07-1.20, p = .03). All differences were in favor of the MT group. Conclusions: In the short-term, there was moderate to high evidence, with statistically significant differences in the functional outcomes, in favor of MT versus sham interventions in patients with thumb carpometacarpal OA. However, these differences are not clinically important.

Effects of High-Intensity Laser Therapy on Pain Sensitivity and Motor Performance in Patients with Thumb Carpometacarpal Joint Osteoarthritis: A Randomized Controlled Trial

OBJECTIVE

To examine the effects of high-intensity laser therapy (HILT) on pain sensitivity and motor performance in patients with thumb carpometacarpal (CMC) osteoarthritis (OA).

DESIGN

Prospective, triple-blinded, randomized, placebo-controlled trial.

SETTING

Private practice, Malaga, Spain.

SUBJECTS

Forty-three patients (mean ± SD age = 71 ± 12 years) with a diagnosis of thumb CMC OA grade 1-2 were randomized to the control group (N = 21) or experimental group (N = 22).

METHODS

The experimental group (ExpG) received high-intensity laser therapy (HILT), and the control group (ConG) received a placebo treatment. The outcome measures were pain intensity (visual analog scale) and key pinch strength measurements (dynamometer). All outcome measures were collected at baseline, immediately following the intervention, at four weeks, and at 12 weeks following the intervention.

RESULTS

Analysis of variance revealed a group × time interaction (F = 40.8, P < 0.001) for pain intensity, with those patients receiving LT experiencing a greater reduction in pain compared with those receiving placebo therapy at the end of the intervention (P < 0.001), as well as at 12 weeks after the intervention. Although mean values in the ExpG were higher than in the ConG for key pinch at assessment, these differences were not statistically significant.

CONCLUSIONS

HILT effectively diminishes pain intensity when used as an isolated treatment for patients with thumb CMC OA, but the effect of treatment decreases after 12 weeks.

Neural Tension Technique Improves Immediate Conditioned Pain Modulation in Patients with Chronic Neck Pain: A Randomized Clinical Trial

OBJECTIVE

To determine the immediate effect of neural tension technique (NTT) on conditioned pain modulation in patients with chronic neck pain. A secondary objective was to determine the immediate effect of neural tensioner technique on pain intensity and cervical range of movement.

DESIGN

Randomized clinical trial.

SETTING

University medical center.

SUBJECTS

Fifty-four patients with neck pain (13 males and 41 females; mean± SD age = 20.91 ± 2.64 years) were randomly allocated to two groups: NTT or sham technique.

METHODS

Participants received a visual analog scale (VAS) and neck disability index (NDI) after inclusion. Conditioned pain modulation (CPM) and active cervical range of motion were measured before and after the intervention. Each subject received one treatment session.

RESULTS

The results of the analysis of variance revealed a significant effect for the group × time interaction only for CPM (F = 11.09, P = 0.002, ηp2 = 0.176). No significant interactions were found for the other measures (VAS [F = 1.719, P = 0.195, ηp2 = 0.031], pressure pain threshold C2 [F = 0.731, P = 0.398, ηp2 = 0.018], flexion [F = 0.176, P = 0.677, ηp2 = 0.003], extension [F = 0.035, P = 0.852, ηp2 = 0.001], lateral flexions [F = 0.422, P = 0.519, ηp2 = 0.008], and rotations [F = 1.307 P = 0.258, ηp2 = 0.024]). Regarding CPM, intergroup interaction differences were found postintervention (P = 0.002) with a high effect size (d = 0.98).

CONCLUSIONS

This study suggests that neural tension technique enhances immediate conditioned pain modulation in patients with chronic neck pain, but not pain intensity or cervical range of movement.

Effects of Neurodynamic Mobilizations on Pain Hypersensitivity in Patients With Hand Osteoarthritis Compared to Robotic Assisted Mobilization: A Randomized Controlled Trial

OBJECTIVE

To evaluate the effectiveness of the neurodynamic mobilization techniques compared with passive robotic physiologic movement in patients with hand osteoarthritis (OA).

METHODS

We conducted a randomized controlled trial. A total of 72 patients (mean ± SD age 71 ± 11 years) with dominant symptomatic hand OA were randomized in 2 groups, and both received 12 treatment sessions over 4 weeks. The experimental group received neurodynamic mobilization of the median, radial, and ulnar nerves, and the control group received robotic-assisted passive movement treatment. Both groups also participated in a program of hand stability exercises. Outcome measures included pain intensity, pressure pain thresholds (PPTs), and strength measurements. Group-by-time effects were compared using mixed-model analyses of variance.

RESULTS

After the intervention, the experimental group had statistically significant, higher PPTs than the control group at the thumb carpometacarpal joint by 0.7 kg/cm² (95% confidence interval [95% CI] 0.6, 0.8), the median nerve by 0.7 kg/cm² (95% CI 0.6, 0.7), and the radial nerve by 0.5 kg/cm² (95% CI 0.3, 0.6); however, the difference was not statistically significant at 3 months postintervention. Although mean values in the experimental group were higher than in the control group at all PPT sites at both assessments, these differences were not statistically significant. The experimental group experienced a statistically significant reduction in pain immediately postintervention, but this was not present at the 3-month follow-up. There were no statistically significant differences in pinch or grip strength between groups.

CONCLUSION

We found that neurodynamic mobilizations decreased hypersensitivity in patients with hand OA immediately after the intervention; however, differences were no longer present at 3 months. The results suggest that these techniques may have some limited value in the short term but do not have lasting effects.

Comparative Effects of Tensioning and Sliding Neural Mobilization on Static Postural Control and Lower Limb Hop Testing in Football Players

CONTEXT

Sliding and tensioning neural mobilization are used to restore normal function of the nervous system, but they impose different stresses on it. Particularly, sliding induces greater nerve excursion than tensioning. Conceivably, they might impact nervous system function differently.

OBJECTIVE

To compare the effects of tensioning neural mobilization versus sliding neural mobilization of the dominant lower limb on static postural control and hop testing.

DESIGN

Randomized, parallel and double blinded trial.

SETTING/PARTICIPANTS

Thirty-seven football players.

INTERVENTION(S)

Participants were randomized into 2 groups: sliding neural mobilization (n = 18) or tensioning neural mobilization (n = 19) targeting the tibial nerve.

MAIN OUTCOME MEASURES

Static postural sway was assessed with a force plate and functional performance with hop tests. Measurements were taken at baseline, after the intervention, and at 30-minute follow-up.

RESULTS

There was a significant effect of time for the center of pressure total displacement and velocity (P < .05), for the single-leg hop test (P < .05), the 6-m timed hop test (P < .05), and the cross-over hop test (P < .05), but no significant effect of the intervention.

CONCLUSIONS

Sliding and tensioning neural mobilization improved postural control and hop testing in football players, and improvements remained 30 minutes after the intervention. Additional research examining the influence of neural mobilization on sensory motor impairments, postural control, and functional performance is needed.

Thumb carpometacarpal osteoarthritis: A musculoskeletal physiotherapy perspective

PROPOSAL

To perform a literature review to provide the practitioner with a description of the information and techniques to enhance the provision of conservative interventions in clinical practice.

METHODS

Studies were obtained from MEDLINE, CINAHL, Embase, PEDro and CENTRAL databases from their inception to December 2017. Authors independently selected studies, conducted quality assessment, and extracted results.

RESULTS

There is evidence to support a multimodal approach to the therapeutic management of the patient with CMC OA. This distinct approach includes: patient education, manual therapy, therapeutic exercise programs, and orthotic provision.

CONCLUSION

There is evidence to support some of the commonly performed conservative interventions to improve hand function and decrease hand pain.

Efficacy and safety of non-pharmacological, pharmacological and surgical treatment for hand osteoarthritis: a systematic literature review informing the 2018 update of the EULAR recommendations for the management of hand osteoarthritis

To update the evidence on efficacy and safety of non-pharmacological, pharmacological and surgical interventions for hand osteoarthritis (OA), a systematic literature review was performed up to June 2017, including (randomised) controlled trials or Cochrane systematic reviews. Main efficacy outcomes were pain, function and hand strength. Risk of bias was assessed. Meta-analysis was performed when advisable. Of 7036 records, 127 references were included, of which 50 studies concerned non-pharmacological, 64 pharmacological and 12 surgical interventions. Many studies had high risk of bias, mainly due to inadequate randomisation or blinding. Beneficial non-pharmacological treatments included hand exercise and prolonged thumb base splinting, while single trials showed positive results for joint protection and using assistive devices. Topical and oral non-steroidal anti-inflammatory drugs (NSAIDs) proved equally effective, while topical NSAIDs led to less adverse events. Single trials demonstrated positive results for chondroitin sulfate and intra-articular glucocorticoid injections in interphalangeal joints. Pharmacological treatments for which no clear beneficial effect was shown include paracetamol, intra-articular thumb base injections of glucocorticoids or hyaluronic acid, low-dose oral glucocorticoids, hydroxychloroquine and anti-tumour necrosis factor. No trials compared surgery to sham or non-operative treatment. No surgical intervention for thumb base OA appeared more effective than another, although in general more complex procedures led to more complications. No interventions slowed radiographic progression. In conclusion, an overview of the evidence on efficacy and safety of treatment options for hand OA was presented and informed the task force for the updated European League Against Rheumatism management recommendations for hand OA.

Osteoarthritis: a call for research on central pain mechanism and personalized prevention strategies

Osteoarthritis (OA) is one of the world's leading causes of pain, disability. Symptomatic OA should be suspected in patients with pain in the joints of the fingers, shoulders, hips, knees, or ankles, especially if those patients are older than 40 years. The socioeconomic cost of treating the condition and the burden of the expense is growing with the increasing and aging population. Joint-preserving interventions currently used to manage the condition include joint-protection technique instruction, manual therapy, adaptive equipment provision and instruction, heat modalities, orthoses, strengthening and range-of-motion exercises, adaptive technique instruction, patient education in symptom control techniques, and provision of a home exercise program. Some show potential, but at present, few have a proven ability to arrest or delay disease progression. Recent research regarding central pain mechanisms indicates treating central pain sensitization may be an effective treatment approach. Additional research is required to determine the efficacy of treatment and symptom management of OA.

Necessity of Immobilizing the Metacarpophalangeal Joint in Carpometacarpal Osteoarthritis: Short-term Effect

BACKGROUND

Conservative treatment for carpometacarpal (CMC) joint osteoarthritis (OA) may include orthotic fabrication to decrease pain. Different types of orthoses have been used as conservative interventions to improve symptoms, but there are no guidelines specifying if inclusion of the thumb metacarpophalangeal (MCP) in an orthosis is required in the treatment of thumb CMC joint OA. The main objective of this study is to determine the effectiveness of 2 different thumb CMC joint orthotic designs on pain reduction and improved hand function: one design immobilizes both the MCP joint and the CMC joint and the other design immobilizes only the CMC joint.

METHODS

A total of 66 patients were included in the study. One group of 33 patients received a short thumb orthosis with the MCP joint excluded, and the other group of 33 patients received a short thumb orthosis with the MCP joint included. Outcomes measures included the visual analog scale for pain and the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH; Spanish version) for function.

RESULTS

In both patient groups, the orthoses contributed to decreased pain levels and improved functional abilities ( F_1.0 = 315.467 and F_1.0 = 72.419; both, P < .001). There was no significant difference between the 2 groups regarding pain or improvement in daily activities ( F_1.0 = 0.553 and F_1.0 = 2.539; both, P > .05).

CONCLUSION

There are benefits of either thumb orthotic design on pain reduction and functional improvement even after 1 week of using the orthoses as the sole conservative treatment.

Efficacy of Short-Term Robot-Assisted Rehabilitation in Patients With Hand Paralysis After Stroke: A Randomized Clinical Trial

BACKGROUND

We evaluated the effectiveness of robot-assisted motion and activity in additional to physiotherapy (PT) and occupational therapy (OT) on stroke patients with hand paralysis.

METHODS

A randomized controlled trial was conducted. Thirty-two patients, 34.4% female (mean ± SD age: 68.9 ± 11.6 years), with hand paralysis after stroke participated. The experimental group received 30 minutes of passive mobilization of the hand through the robotic device Gloreha (Brescia, Italy), and the control group received an additional 30 minutes of PT and OT for 3 consecutive weeks (3 d/wk) in addition to traditional rehabilitation. Outcomes included the National Institutes of Health Stroke Scale (NIHSS), Modified Ashworth Scale, Barthel Index (BI), Motricity Index (MI), short version of the Disabilities of the Arm, Shoulder and Hand (QuickDASH), and the visual analog scale (VAS) measurements. All measures were collected at baseline and end of the intervention (3 weeks).

RESULTS

A significant effect of time interaction existed for NIHSS, BI, MI, and QuickDASH, after stroke immediately after the interventions (all, P < .001). The experimental group had a greater reduction in pain compared with the control group at the end of the intervention, a reduction of 11.3 mm compared with 3.7 mm, using the 100-mm VAS scale.

CONCLUSIONS

In the treatment of pain and spasticity in hand paralysis after stroke, robot-assisted mobilization performed in conjunction with traditional PT and OT is as effective as traditional rehabilitation.

Neural manual vs. robotic assisted mobilization to improve motion and reduce pain hypersensitivity in hand osteoarthritis: study protocol for a randomized controlled trial

[Purpose] The aim of the present study is to detail the protocol for a randomised controlled trial (RCT) of neural manual vs. robotic assisted on pain in sensitivity as well as analyse the quantitative and qualitative movement of hand in subjects with hand osteoarthritis. [Subjects and Methods] Seventy-two patients, aged 50 to 90 years old of both genders, with a diagnosis of hand Osteoarthritis (OA), will be recruited. Two groups of 36 participants will receive an experimental intervention (neurodynamic mobilization intervention plus exercise) or a control intervention (robotic assisted passive mobilization plus exercise) for 12 sessions over 4 weeks. Assessment points will be at baseline, end of therapy, and 1 and 3 months after end of therapy. The outcomes of this intervention will be pain and determine the central pain processing mechanisms. [Result] Not applicable. [Conclusion] If there is a reduction in pain hypersensitivity in hand OA patients it can suggest that supraspinal pain-inhibitory areas, including the periaqueductal gray matter, can be stimulated by joint mobilization.

Hypoalgesic effects of three different manual therapy techniques on cervical spine and psychological interaction: A randomized clinical trial

OBJECTIVE

The purpose of this study was to evaluate the extent to which psychological factors interact with a particular manual therapy (MT) technique to induce hypoalgesia in healthy subjects.

METHODS

Seventy-five healthy volunteers (36 female, 39 males), were recruited in this double-blind, controlled and parallel study. Subjects were randomly assigned to receive: High velocity low amplitude technique (HVLA), joint mobilization, or Cervical Lateral glide mobilization (CLGM). Pressure pain threshold (PPT) over C7 unilaterally, trapezius muscle and lateral epicondyle bilaterally, were measured prior to single technique MT was applied and immediately after to applied MT. Pain catastrophizing, depression, anxiety and kinesiophobia were evaluated before treatment.

RESULTS

The results indicate that hypoalgesia was observed in all groups after treatment in the neck and elbow region (P < 0.05), but mobilization induces more hypoalgesic effects. Catastrophizing interacted with change over time in PPT, for changes in C7 and in manipulation group.

CONCLUSIONS

All the MT techniques studied produced local and segmental hypoalgesic effects, supporting the results of previous studies studying the individual interventions. Interaction between catastrophizing and HVLA technique suggest that whether catastrophizing level is low or medium, the chance of success is high, but high levels of catastrophizing may result in poor outcome after HVLA intervention.

TRIAL REGISTRATION

ClinicalTrials.gov Registration Number: NCT02782585.

Reliability of handgrip strength test in elderly subjects with unilateral thumb carpometacarpal osteoarthritis

BACKGROUND

The grip strength test is widely used; however, little has been investigated about its reliability when used in elderly with subjects thumb carpometacarpal (CMC) osteoarthritis (OA). The purpose of this study was to examine the test-retest reliability of the grip strength test in elderly subjects with thumb CMC OA.

METHODS

A total of 78 patients with unilateral thumb CMC OA, 84.6 % female (mean ± SD age 83 ± 5 years), were recruited. Each patient performed three pain free maximal isometric contractions on each hand in two occasions, 1 week apart. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95 % limits of agreement (LOA) were calculated.

RESULTS

Test-retest reliability was excellent for side affected (ICC = 0.947; p = 0.001) and contralateral (ICC = 0.96; p = 0.001) thumb CMC OA.

CONCLUSIONS

The present results indicate that maximum handgrip strength can be measured reliably, using the Jamar hand dynamometer, in patients with thumb CMC OA, which enables its use in research and in the clinic to determine the effect of interventions on improving grip.

Reliability of pinch strength testing in elderly subjects with unilateral thumb carpometacarpal osteoarthritis

[Purpose] The aim of this study was to examine the test-retest reliability of pinch strength testing in elderly subjects with thumb CMC OA. [Subjects and Methods] A total of 27 patients with unilateral right-thumb CMC OA (mean ± SD age: 81.3 ± 4.7 years) were recruited. Each patient performed three pain-free maximal isometric contractions on each hand on two occasions, one week apart. Three different measurements were taken: tip, tripod, and key pinch strength. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95% limits of agreement (LOA) calculations were performed. [Results] Test-retest reliability of measurements of tip, tripod, and key pinch strength was excellent for the affected side (ICC=0.93, 0.96, and 0.99) and the contralateral thumb (ICC=0.91, 0.92, and 0.94). [Conclusions] The present results indicate that maximum pinch strength can be measured reliably using the Pinch Gauge Dynamometer, in patients with thumb CMC OA, which enables its use in research and in the clinic to determine the effect of interventions on improving pinch strength.

Reliability of pinch strength testing in elderly subjects with unilateral thumb carpometacarpal osteoarthritis

[Purpose] The aim of this study was to examine the test-retest reliability of pinch strength testing in elderly subjects with thumb CMC OA. [Subjects and Methods] A total of 27 patients with unilateral right-thumb CMC OA (mean ± SD age: 81.3 ± 4.7 years) were recruited. Each patient performed three pain-free maximal isometric contractions on each hand on two occasions, one week apart. Three different measurements were taken: tip, tripod, and key pinch strength. Intraclass correlation coefficient (ICC), standard error of measurement (SEM), and 95% limits of agreement (LOA) calculations were performed. [Results] Test-retest reliability of measurements of tip, tripod, and key pinch strength was excellent for the affected side (ICC=0.93, 0.96, and 0.99) and the contralateral thumb (ICC=0.91, 0.92, and 0.94). [Conclusions] The present results indicate that maximum pinch strength can be measured reliably using the Pinch Gauge Dynamometer, in patients with thumb CMC OA, which enables its use in research and in the clinic to determine the effect of interventions on improving pinch strength.

Widespread pressure pain hypersensitivity in elderly subjects with unilateral thumb carpometacarpal osteoarthritis

BACKGROUND

Widespread pressure hypersensitivity is one of the signs that characterize central pain sensitization in subjects with knee and hip osteoarthritis (OA). The purpose of this study was to evaluate whether widespread pressure pain hyperalgesia is a feature of individuals with unilateral symptomatic thumb carpometacarpal (CMC) OA.

METHODS

A total of 16 patients with unilateral symptomatic thumb CMC OA and 16 healthy sex- and age-matched controls were recruited. Pressure pain thresholds (PPTs) were assessed bilaterally over the first CMC joint; the C5-C6 zygapophyseal joint; the median, ulnar, and radial nerves; and tibialis anterior muscle. Grip and key strength, intensity of pain, and function QuickDASH were also measured.

RESULTS

The analyses showed that patients with thumb CMC OA present bilaterally decreased PPTs over the first CMC joint, the C5-C6 zygapophyseal joint, and the tibialis anterior, median, ulnar and radial nerve as compared to controls (all, P < 0.01). Patients with thumb CMC OA also exhibited a bilateral reduction in pinch and grip strength than controls (P < 0.05). A significant correlation was found between PPT over the radial nerve and QuickDASH (r = 0.546, P = 0.029).

CONCLUSION

This study revealed bilateral widespread pressure pain hypersensitivity in individuals with unilateral symptomatic thumb CMC OA, suggesting that central pain processing mechanisms might be a feature of this pain population. These results should be taken into consideration when addressing future treatment approaches.