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Shen Y, Yao W, Huang Y, Ye L, Liu J, Liu M, Ding J, Zhang Y. MRI analysis of and factors related to knee injuries in amateur marathon runners. PLoS One 2024; 19:e0306257. [PMID: 38980846 PMCID: PMC11232983 DOI: 10.1371/journal.pone.0306257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 06/13/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUND Marathons are the most challenging form of running, and amateur athletes may be more prone to injury due to a lack of professional knowledge and instruction in running. PURPOSE To analyze the MRI manifestations of and factors related to knee injuries in amateur marathon runners. SUBJECTS Data were collected from a hospital database of 105 qualified amateur marathon athletes (65 males,40 females), between May 2018 and December 2021. FIELD STRENGTH/SEQUENCE 1.5T MR: sagittal fs-PDWI, sagittal T1WI and sagittal 3D-DESS sequence. ASSESSMENT The MRI manifestations of knee joint injury were analyzed and evaluated by two radiologists. STATISTICAL TESTS The inter-observer agreement on MRI readings was analyzed using the kappa coefficient, and binary logistic regression analysis was employed to identify factors associated with knee injuries. RESULTS The overall prevalence of knee cartilage lesions, meniscus lesions and bone marrow edema among amateur marathon runners was 45.7%, 72.4%, and 49.5% respectively. Our analysis revealed that older age (OR = 1.135, P<0.001), higher BMI (OR = 1.236, P = 0.044), and slower pace (OR = 2.305, P = 0.017) were associated with increased risk of articular cartilage disease. Furthermore, older age (OR = 1.425, P<0.001) was identified as a risk factor for meniscal lesions, while older age (OR = 1.088, P = 0.002) was bone marrow edema. Notably, no significant correlation was observed between knee joint injuries of amateur marathon athletes and gender or the monthly running distance (P>0.05). CONCLUSIONS The occurrence of knee injuries among amateur marathon athletes was highly prevalent, with the patellofemoral joint cartilage and posterior horn of medial meniscus being frequently affected areas. Moreover, age, BMI, running years and pace were significant risk factors of knee joint injury.
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Affiliation(s)
- Yiying Shen
- Department of Radiology, Hangzhou Cancer Hospital, Hangzhou, Zhejiang, China
| | - Wanzhen Yao
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Yi Huang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Lingxiao Ye
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Jie Liu
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Mengxiao Liu
- MR scientific Marketing, Diagnostic Imaging, Siemens Healthineers Ltd, Shanghai, China
| | - Jianping Ding
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Yanjing Zhang
- Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
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Ishii Y, Okamoto S, Okinaka R, Hashizume T, Xu C, Zhu K, Nakashima Y, Okada K, Takagi K, Adachi N, Takahashi M. Temporary meniscus extrusion is caused by cumulative stress from uphill and downhill tasks in healthy volunteers. Front Sports Act Living 2024; 6:1271987. [PMID: 38650839 PMCID: PMC11033369 DOI: 10.3389/fspor.2024.1271987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 03/18/2024] [Indexed: 04/25/2024] Open
Abstract
Purpose Excessive mechanical stress accumulates and causes knee injury. Meniscal extrusion is a key factor in detecting the reaction to cumulative mechanical stress. The accumulation of stress strongly depends on environmental conditions such as flat ground or uphill/downhill, and accumulates in knee compartments; only a few studies have reported the effects of different environments on lateral and medial meniscus extrusion. This study aimed to investigate the effects of cumulative uphill/downhill stress on the meniscal extrusion in each compartment. Methods A total of 30 healthy volunteers with 30 affected knees were involved in this cohort study (mean age, 22.0 ± 1.1 years; men, n = 14). The participants were divided into flat-walking, uphill/downhill-walking, and uphill/downhill-jogging groups and their numbers of steps taken were recorded during the effort. Moreover, medial and lateral meniscal extrusions during walking were evaluated using ultrasound three times, before and after efforts (T1) and (T2), and one day after efforts (T3), respectively. Results In the flat-walking group, no significant differences were observed between the follow-up periods. Conversely, in the uphill/downhill-walking and jogging groups, the medial meniscus extrusion at T2 was significantly higher than that at T1. Conversely, the medial meniscus extrusion at T3 was significantly lower than that at T2. By contrast, the lateral meniscus did not show any difference between the follow-up periods in any group. Conclusion Temporary extrusion of the meniscus occurred after uphill/downhill tasks in healthy volunteers, and its reaction was observed only in the medial meniscus.
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Affiliation(s)
- Yosuke Ishii
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Saeko Okamoto
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Riko Okinaka
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takato Hashizume
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Chen Xu
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kexin Zhu
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yuko Nakashima
- Department of Orthopedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kaoru Okada
- Ultrasound Business Operations, Healthcare Business Headquarters, Konica Minolta, Inc., Tokyo, Japan
| | - Kazuya Takagi
- Ultrasound Business Operations, Healthcare Business Headquarters, Konica Minolta, Inc., Tokyo, Japan
| | - Nobuo Adachi
- Department of Orthopedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Makoto Takahashi
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Oliveira N, Keating CJ, Chiu CY, Stavres J. Increased hip flexion gait as an exercise modality for individuals with obesity. Eur J Appl Physiol 2023; 123:2157-2165. [PMID: 37221340 DOI: 10.1007/s00421-023-05227-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 05/10/2023] [Indexed: 05/25/2023]
Abstract
PURPOSE Exercise is a critical element for the management of body weight and improvement of quality of life of individuals with obesity. Due to its convenience and accessibility, running is a commonly used exercise modality to meet exercise guidelines. However, the weight-bearing component during high impacts of this exercise modality might limit the participation in exercise and reduce the effectiveness of running-based exercise interventions in individuals with obesity. The hip flexion feedback system (HFFS) assists participants in meeting specific exercise intensities by giving the participant specific increased hip flexion targets while walking on a treadmill. The resulting activity involves walking with increased hip flexion which removes the high impacts of running. The purpose of this study was to compare physiological and biomechanical parameters during an HFFS session and an independent treadmill walking/running session (IND). METHODS Heart rate, oxygen consumption (VO2), heart rate error, and tibia peak positive accelerations (PPA) were investigated for each condition at 40% and 60% of heart rate reserve exercise intensities. RESULTS VO2 was higher for IND despite no differences in heart rate. Tibia PPAs were reduced during the HFFS session. Heart rate error was reduced for HFFS during non-steady state exercise. CONCLUSION While demanding lower energy consumption compared to running, HFFS exercise results in lower tibia PPAs and more accurate monitoring of exercise intensity. HFFS might be a valid exercise alternative for individuals with obesity or individuals that require low-impact forces at the lower limbs.
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Affiliation(s)
- Nuno Oliveira
- School of Kinesiology and Nutrition, University of Southern Mississippi, 118 College Drive #5142, Hattiesburg, MS, 39406-0001, USA.
| | - Christopher J Keating
- School of Kinesiology and Nutrition, University of Southern Mississippi, 118 College Drive #5142, Hattiesburg, MS, 39406-0001, USA
- Facultad de Deporte, UCAM Universidad Católica San Antonio de Murcia, Murcia, Spain
| | - Chuang-Yuan Chiu
- Sports Engineering Research Group, Sheffield Hallam University, Sheffield, UK
| | - Jon Stavres
- School of Kinesiology and Nutrition, University of Southern Mississippi, 118 College Drive #5142, Hattiesburg, MS, 39406-0001, USA
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Ishii Y, Hashizume T, Okamoto S, Iwamoto Y, Ishikawa M, Nakashima Y, Hashiguchi N, Okada K, Takagi K, Adachi N, Takahashi M. Cumulative knee adduction moment during jogging causes temporary medial meniscus extrusion in healthy volunteers. J Med Ultrason (2001) 2023; 50:229-236. [PMID: 36800121 DOI: 10.1007/s10396-023-01288-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 12/27/2022] [Indexed: 02/18/2023]
Abstract
PURPOSE The cumulative knee adduction moment (KAM) is a key parameter evaluated for the prevention of overload knee injuries on the medial compartment. Medial meniscus extrusion (MME), typical in hoop dysfunctions, is a measure for the cumulative mechanical stress in individual knees; however, its correlation with cumulative KAM is unknown. The aim of this study was to investigate the effect of temporary overload stress on MME and its correlation with cumulative KAM. METHODS Thirteen healthy asymptomatic volunteers (13 knees) were recruited for a cohort study (mean age, 23.1 ± 3.3 years; males: n = 8). The cumulative KAM was calculated using a three-dimensional motion analysis system, in addition to the number of steps taken while jogging uphill or downhill. MME was evaluated using ultrasound performed in the standing position. The evaluations were performed four times: at baseline (T0), before and after (T1 and T2, respectively) jogging uphill or downhill, and 1 day after (T3) jogging. Additionally, the Δ-value was calculated using the change of meniscus after efforts as the difference in MME between T1 and T2. RESULTS The MME in T2 was significantly greater than those in T0 and T1. Conversely, the MME in T3 was significantly lesser than that in T2. No significant difference was found between those in T0 and T1, and T3. ΔMME exhibited a significant positive correlation with the cumulative KAM (r = 0.68, p = 0.01), but not for peak KAM. CONCLUSION The temporary reaction of MME observed in ultrasound correlates with the cumulative stress of KAM.
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Affiliation(s)
- Yosuke Ishii
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
| | - Takato Hashizume
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Saeko Okamoto
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yoshitaka Iwamoto
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Masakazu Ishikawa
- Department of Orthopaedic Surgery, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Yuko Nakashima
- Department of Musculoskeletal Ultrasound in Medicine, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Naofumi Hashiguchi
- Department of Orthopedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Kaoru Okada
- Ultrasound Business Operations, Healthcare Business Headquarters, KONICA MINOLTA, INC, Tokyo, Japan
| | - Kazuya Takagi
- Ultrasound Business Operations, Healthcare Business Headquarters, KONICA MINOLTA, INC, Tokyo, Japan
| | - Nobuo Adachi
- Department of Orthopedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Makoto Takahashi
- Department of Biomechanics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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Migliorini F, Marsilio E, Oliva F, Hildebrand F, Maffulli N. Elderly Runners and Osteoarthritis: A Systematic Review. Sports Med Arthrosc Rev 2022; 30:92-96. [PMID: 35533060 DOI: 10.1097/jsa.0000000000000347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
PURPOSE The impact of running on the onset of osteoarthritis (OA) is controversial. This study compared the incidence of OA in elderly runners versus nonrunners. MATERIAL AND METHODS This systematic review was conducted according to the PRISMA guidelines. PubMed, Google scholar, Embase, and Web of Science databases were accessed in January 2022. All the published clinical studies investigating OA onset in runners versus non-runners were considered. Studies reporting data on OA and participants in other sports were excluded. Only studies investigating patients with a mean age older than 55 years were considered. The methodological quality of the articles was evaluated using the Newcastle-Ottawa Scale (NOS). RESULTS Data from 3001 participants and 6674 joints were retrieved. The mean age was 59.4±2.7 years. The mean body mass index was 24.6±2.5 kg/m2. The 5 included articles (963 runners, 2038 nonrunners) did not report significant differences in runners compared with controls. CONCLUSION Middle aged runners did not present greater imaging or clinical signs of OA compared with nonrunner controls. Running at elite or recreational level did not increase the rate of OA progression in individuals older than 50 years.
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Affiliation(s)
- Filippo Migliorini
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, Aachen, Germany
| | - Emanuela Marsilio
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi (SA), Italy
| | - Francesco Oliva
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi (SA), Italy
| | - Frank Hildebrand
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, RWTH University Hospital, Aachen, Germany
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi (SA), Italy
- School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Stoke on Trent
- Queen Mary University of London, Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, London, England
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Migliorini F, Marsilio E, Torsiello E, Pintore A, Oliva F, Maffulli N. Osteoarthritis in Athletes Versus Nonathletes: A Systematic Review. Sports Med Arthrosc Rev 2022; 30:78-86. [PMID: 35533058 DOI: 10.1097/jsa.0000000000000339] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Joint overload and sport-related injuries may accelerate the development of osteoarthritis (OA). A systematic review of the literature was performed to establish the risk of athletes to develop premature OA compared with nonathletes. MATERIALS AND METHODS This systematic review was conducted according to the PRISMA guidelines. PubMed, Google scholar, Embase, and Web of Science databases were accessed in June 2021. All the published clinical studies investigating OA onset in athletes versus nonathletes were considered. Studies reporting data on secondary and/or post-traumatic OA were excluded. RESULTS Data from 32 articles (20,288 patients) were retrieved. The mean age was 67.8±10.0 years and the mean body mass index was 25.0±2.5 kg/m2. 74% (6859 patients) of the athletes suffered from premature OA. Of them, 21% were active in soccer, 11% in handball, 11% in ice-hockey, 3% in football, and 0.3% in rugby. 26% of the athletes reported no significant differences in OA progression compared with healthy controls. Of these athletes, 47% were runners, 5% dancers, and 1% triathletes. CONCLUSION Certain sports, such as soccer, handball, ice-hockey, and rugby are more likely to be associated with premature knee and hip OA. Conversely, runners and ballet dancers do not evidence significant increase in OA. Moderate and recreational exposure to aerobic sports does not accelerate the development of OA.
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Affiliation(s)
- Filippo Migliorini
- Department of Orthopaedics, University Clinic Aachen, RWTH Aachen University Clinic, Aachen, Germany
| | - Emanuela Marsilio
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy
| | - Ernesto Torsiello
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy
| | - Andrea Pintore
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy
| | - Francesco Oliva
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy
| | - Nicola Maffulli
- Department of Medicine, Surgery and Dentistry, University of Salerno, Baronissi, Italy
- School of Pharmacy and Bioengineering, Keele University Faculty of Medicine, Stoke on Trent, England
- Barts and the London School of Medicine and Dentistry, Centre for Sports and Exercise Medicine, Mile End Hospital, Queen Mary University of London, London, England
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Logan AA, Nielsen BD, Hiney KM, Robison CI, Manfredi JM, Buskirk DD, Popovich JM. The Impact of Circular Exercise Diameter on Bone and Joint Health of Juvenile Animals. Animals (Basel) 2022; 12:ani12111379. [PMID: 35681842 PMCID: PMC9179390 DOI: 10.3390/ani12111379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/17/2022] [Accepted: 05/24/2022] [Indexed: 11/16/2022] Open
Abstract
Circular exercise is used in many equestrian disciplines and this study aimed to determine if circle diameter impacts juvenile animal forelimb bone and joint health. On day 0, 24 calves at 9 weeks of age were assigned the following exercise treatments: small circle (12 m clockwise), large circle (18-m clockwise), treadmill, or non-exercised control. Exercise was initiated at 1.1−1.5 m/s for 5 min/d and increased 5 min weekly until reaching 30 min/d. On day 49, synovial fluid was collected from multiple joints, cartilage was collected from the proximal surface of fused third and fourth metacarpi (MC III and IV), and forelimbs underwent computed tomography scans. A statistical analysis (PROC mixed) was performed in SAS 9.4. The inside leg of the small circle treatment had a larger MC III and IV dorsopalmar external diameter than the outside (p = 0.05). The medial proximal phalanx had a greater mediolateral diameter than the lateral proximal phalanx of the small circle treatment (p = 0.01). Fetlock nitric oxide was greater in the large circle and treadmill treatments (p < 0.0001). Cartilage glycosaminoglycan concentration was greater in the outside leg of the small circle exercise treatment than the inside leg (p = 0.03). Even at slow speeds, circular exercise diameter can impact joint and bone health, but faster speeds may have greater alterations.
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Affiliation(s)
- Alyssa A. Logan
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
- Correspondence:
| | - Brian D. Nielsen
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - Kristina M. Hiney
- Department of Animal and Food Sciences, Oklahoma State University, 201J Animal Sciences, Stillwater, OK 74074, USA;
| | - Cara I. Robison
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - Jane M. Manfredi
- Department of Pathobiology and Diagnostic Investigation, Michigan State University, 784 Wilson Rd., East Lansing, MI 48824, USA;
| | - Daniel D. Buskirk
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - John M. Popovich
- Center for Neuromusculoskeletal Clinical Research, Department of Osteopathic Manipulative Medicine, Michigan State University, 965 Wilson Rd., B439, East Lansing, MI 48824, USA;
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Ciocîrlan M. Do we even lift, bros? Endosc Int Open 2022; 10:E570-E571. [PMID: 35571483 PMCID: PMC9106430 DOI: 10.1055/a-1797-1936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Mihai Ciocîrlan
- “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania
- “Prof. Dr. Agrippa Ionescu” Clinical and Emergency Hospital, Bucharest, Romania
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Logan AA, Nielsen BD, Robison CI, Hallock DB, Manfredi JM, Hiney KM, Buskirk DD, Popovich JM. Impact of Gait and Diameter during Circular Exercise on Front Hoof Area, Vertical Force, and Pressure in Mature Horses. Animals (Basel) 2021; 11:3581. [PMID: 34944357 PMCID: PMC8697886 DOI: 10.3390/ani11123581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 11/21/2022] Open
Abstract
Circular exercise can be used at varying gaits and diameters to exercise horses, with repeated use anecdotally relating to increased lameness. This work sought to characterize mean area, mean vertical force, and mean pressure of the front hooves while exercising in a straight line at the walk and trot, and small (10-m diameter) and large circles (15-m diameter) at the walk, trot, and canter. Nine mature horses wore TekscanTM Hoof Sensors on their forelimbs adhered with a glue-on shoe. Statistical analysis was performed in SAS 9.4 with fixed effects of leg, gait, and exercise type (PROC GLIMMIX) and p < 0.05 as significant. For all exercise types, the walk had greater mean pressure than the trot (p < 0.01). At the walk, the straight line had greater mean area loaded than the large circle (p = 0.01), and both circle sizes had lower mean vertical force than the straight line (p = 0.003). During circular exercise at the canter, the outside front limb had greater mean area loaded than at the walk and trot (p = 0.001). This study found that gait is an important factor when evaluating circular exercise and should be considered when exercising horses to prevent injury.
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Affiliation(s)
- Alyssa A. Logan
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - Brian D. Nielsen
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - Cara I. Robison
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | | | - Jane M. Manfredi
- Department of Pathobiology and Diagnostic Investigation, Michigan State University, 784 Wilson, Rd., East Lansing, MI 48824, USA;
| | - Kristina M. Hiney
- Department of Animal and Food Sciences, Oklahoma State University, 201J Animal Sciences, Stillwater, OK 74074, USA;
| | - Daniel D. Buskirk
- Department of Animal Science, Michigan State University, 474 S. Shaw Ln., East Lansing, MI 48824, USA; (B.D.N.); (C.I.R.); (D.D.B.)
| | - John M. Popovich
- Department of Osteopathic Surgical Specialties, Michigan State University, 909 Fee Rd., B405, East Lansing, MI 48824, USA;
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Potential Long-Term Health Problems Associated with Ultra-Endurance Running: A Narrative Review. Sports Med 2021; 52:725-740. [PMID: 34542868 PMCID: PMC8450723 DOI: 10.1007/s40279-021-01561-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/03/2021] [Indexed: 12/14/2022]
Abstract
It is well established that physical activity reduces all-cause mortality and can prolong life. Ultra-endurance running (UER) is an extreme sport that is becoming increasingly popular, and comprises running races above marathon distance, exceeding 6 h, and/or running fixed distances on multiple days. Serious acute adverse events are rare, but there is mounting evidence that UER may lead to long-term health problems. The purpose of this review is to present the current state of knowledge regarding the potential long-term health problems derived from UER, specifically potential maladaptation in key organ systems, including cardiovascular, respiratory, musculoskeletal, renal, immunological, gastrointestinal, neurological, and integumentary systems. Special consideration is given to youth, masters, and female athletes, all of whom may be more susceptible to certain long-term health issues. We present directions for future research into the pathophysiological mechanisms that underpin athlete susceptibility to long-term issues. Although all body systems can be affected by UER, one of the clearest effects of endurance exercise is on the cardiovascular system, including right ventricular dysfunction and potential increased risk of arrhythmias and hypertension. There is also evidence that rare cases of acute renal injury in UER could lead to progressive renal scarring and chronic kidney disease. There are limited data specific to female athletes, who may be at greater risk of certain UER-related health issues due to interactions between energy availability and sex-hormone concentrations. Indeed, failure to consider sex differences in the design of female-specific UER training programs may have a negative impact on athlete longevity. It is hoped that this review will inform risk stratification and stimulate further research about UER and the implications for long-term health.
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Zeng N, Liao T, Chen XY, Yan ZP, Li JT, Ni GX. Treadmill running induces remodeling of the infrapatellar fat pad in an intensity-dependent manner. J Orthop Surg Res 2021; 16:354. [PMID: 34074301 PMCID: PMC8167986 DOI: 10.1186/s13018-021-02501-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/23/2021] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE To investigate the response of the infrapatellar fat pad (IFP) to running at different intensities and further explore the underlying mechanisms of these responses under different running-induced loadings. METHODS Animals were randomly assigned into the sedentary (SED), low-intensity running (LIR), medium-intensity running (MIR), and high-intensity running (HIR) groups. The rats in the LIR, MIR, and HIR groups were subjected to an 8-week treadmill running protocol. In each group, the IFP was examined at the baseline and at the 8th week to perform histomorphology, immunohistochemistry, and mRNA expression analyses. RESULTS Compared with LIR and MIR, HIR for 8 weeks led to a substantial increase in the surface cellularity (1.67 ± 1.15), fibrosis (1.29 ± 0.36), and vascularity (33.31 ± 8.43) of the IFP but did not increase IFP inflammation or M1 macrophage polarization. Low-to-medium-intensity running resulted in unchanged or decreased fibrosis, vascularity, and surface cellularity in the IFP compared to those of the SED group. Furthermore, serum leptin and visfatin levels were significantly lower in the LIR and MIR groups than in the SED group or the HIR group (P < 0.05). CONCLUSION The effect of running on IFP remodeling was intensity dependent. In contrast to LIR and MIR, HIR increased the fibrosis and vascularity of the IFP. HIR-induced IFP fibrosis was probably due to mechanical stress, rather than pathological proinflammatory M1/M2 polarization.
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Affiliation(s)
- Ni Zeng
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China
| | - Tao Liao
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China
| | - Xin-Yuan Chen
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China
| | - Zhi-Peng Yan
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China
| | - Jie-Ting Li
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China
| | - Guo-Xin Ni
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, People's Republic of China.
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing, People's Republic of China.
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