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Amendola C, Buttafava M, Carteano T, Contini L, Cortese L, Durduran T, Frabasile L, Guadagno CN, Karadeinz U, Lacerenza M, Mesquida J, Parsa S, Re R, Sanoja Garcia D, Konugolu Venkata Sekar S, Spinelli L, Torricelli A, Tosi A, Weigel UM, Yaqub MA, Zanoletti M, Contini D. Assessment of power spectral density of microvascular hemodynamics in skeletal muscles at very low and low-frequency via near-infrared diffuse optical spectroscopies. BIOMEDICAL OPTICS EXPRESS 2023; 14:5994-6015. [PMID: 38021143 PMCID: PMC10659778 DOI: 10.1364/boe.502618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023]
Abstract
In this work, we used a hybrid time domain near-infrared spectroscopy (TD-NIRS) and diffuse correlation spectroscopy (DCS) device to retrieve hemoglobin and blood flow oscillations of skeletal muscle microvasculature. We focused on very low (VLF) and low-frequency (LF) oscillations (i.e., frequency lower than 0.145 Hz), that are related to myogenic, neurogenic and endothelial activities. We measured power spectral density (PSD) of blood flow and hemoglobin concentration in four muscles (thenar eminence, plantar fascia, sternocleidomastoid and forearm) of 14 healthy volunteers to highlight possible differences in microvascular hemodynamic oscillations. We observed larger PSDs for blood flow compared to hemoglobin concentration, in particular in case of distal muscles (i.e., thenar eminence and plantar fascia). Finally, we compared the PSDs measured on the thenar eminence of healthy subjects with the ones measured on a septic patient in the intensive care unit: lower power in the endothelial-dependent frequency band, and larger power in the myogenic ones were observed in the septic patient, in accordance with previous works based on laser doppler flowmetry.
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Affiliation(s)
| | | | | | | | - Lorenzo Cortese
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
| | - Turgut Durduran
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | | | - Claudia Nunzia Guadagno
- BioPixS Ltd – Biophotonics Standards, IPIC, Tyndall National Institute, Lee Maltings Complex, Cork, Ireland
| | - Umut Karadeinz
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
| | | | - Jaume Mesquida
- Critical Care Department, Parc Taulí Hospital Universitari. Institut D’Investigació i Innovació Parc Taulí I3PT, Sabadell, Spain
| | | | - Rebecca Re
- Dipartimento di Fisica, Politecnico di Milano, Milan, Italy
- Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Milano, Italy
| | | | | | - Lorenzo Spinelli
- Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Milano, Italy
| | - Alessandro Torricelli
- Dipartimento di Fisica, Politecnico di Milano, Milan, Italy
- Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Milano, Italy
| | - Alberto Tosi
- Politecnico di Milano, Dipartimento di Elettronica, Informazione e Bioingegneria, Milan, Italy
| | - Udo M. Weigel
- HemoPhotonics S.L., Castelldefels, (Barcelona), Spain
| | - M. Atif Yaqub
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
| | - Marta Zanoletti
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
| | - Davide Contini
- Dipartimento di Fisica, Politecnico di Milano, Milan, Italy
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Lin TY, Chen JJJ, Lin LL, Ou Yang WT, Chen MY, Tsai YC. Effects of multicomponent exercise training on muscle oxygenation in young and older adults. J Exerc Sci Fit 2023; 21:138-146. [PMID: 36606262 PMCID: PMC9800305 DOI: 10.1016/j.jesf.2022.12.002] [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: 06/27/2022] [Revised: 11/23/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Objective Though multicomponent exercise training was found beneficial in improving the physical functionality, the effects of multicomponent exercise training on muscle oxygenation are still unclear. The purpose of this study was to investigate the effects of multicomponent exercise training on muscle oxygenation in young and older participants. Methods In this study, 17 young adults (Y) and 18 healthy older adults (E) were recruited to receive a multicomponent exercise training for 12 weeks, 2-3 sessions per week. Muscle oxygenation, muscle strength, and electromyography data were collected and compared pre- and post-training. Muscle oxygen saturation (SpO2) during isometric knee extension tests involving voluntary contraction (VOL) and electrical stimulation (ES) was measured by near-infrared spectroscopy. The SpO2 kinetics in the contraction and recovery phases were calculated using a tangential model to extract ΔSpO2 and inflection time (IF). Results Muscle strength significantly increased in the post-training (234.31 ± 83.2 N·m, p < 0.05). The post-training ΔSpO2 of the ES in the Y (8.43 ± 5.35%) significantly increased and was higher than that in the E (2.78 ± 3.03%, p < 0.05). In the recovery phase, the post-training IF of VOL (7.07 ± 3.31s) was significantly shorter than that of the pre-training period (8.73 ± 4.46s, p < 0.05). Additionally, the median frequency of electromyography significantly decreased in the post-training period (103.84 ± 21.75 Hz, p < 0.05). Conclusion The multicomponent exercise training improved the muscle strength, neuromuscular performance, and muscle aerobic function irrespective of age. The primary adaptation of the muscles to the multicomponent exercise training between the two groups varied.
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Affiliation(s)
- Tai-You Lin
- National Sport Training Center, Kaohsiung, Taiwan
| | - Jia-Jin J. Chen
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Linda L. Lin
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan,Corresponding author. Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, No 1. Ta-Hsueh Rd., Tainan, Taiwan.
| | - Wei-Tsun Ou Yang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Meng-Yu Chen
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
| | - Yueh-Chang Tsai
- Institute of Physical Education, Health and Leisure Studies, National Cheng Kung University, Tainan, Taiwan
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Takagi S, Katsumura T, Sakamoto S. Relationship Between Muscle Deoxygenation and Cardiac Output in Subjects Without Attenuation of Deoxygenation Hemoglobin Concentration Near the End of Ramp Cycling Exercise: A Longitudinal Study. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1438:153-157. [PMID: 37845454 DOI: 10.1007/978-3-031-42003-0_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
The aim of this study was to investigate the longitudinal relationship between the slopes of systemic and quadriceps muscle O2 dynamics in subjects without attenuation point in deoxygenated hemoglobin concentration at vastus lateralis (APdeoxy-Hb@VL) during high-intensity cycling. Seven young men without APdeoxy-Hb@VL performed ramp cycling exercise until exhaustion before and after 8 weeks, while continuing recreational physical activities throughout that period. Muscle O2 saturation (SmO2) and deoxy-Hb were monitored at the vastus lateralis (VL) and rectus femoris (RF) by near infrared spectroscopy oximetry during exercise. Cardiac output (CO) was also continuously assessed. During high-intensity exercise, at VL, a significantly steeper slope of deoxy-Hb was found after 8 weeks compared with before, while the slopes of deoxy-Hb at RF were not significantly changed. Though a decrease in the slope of CO after 8 weeks did not reach significance (p = 0.12), the change in the slope of CO was significantly related to the change in the slopes of deoxy-Hb at VL (rs = -0.89, p < 0.01) and RF (rs = -0.86, p < 0.05). Our data reinforces the idea that, in subjects without APdeoxy-Hb@VL, the slope of muscle deoxygenation at VL during high-intensity cycling exercise may partly be explained by systemic O2 supply, rather than O2 balance in other thigh muscles.
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Affiliation(s)
- Shun Takagi
- Faculty of Education and Welfare, Biwako-Gakuin University, Higashiomi, Shiga, Japan.
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, Shinjuku, Tokyo, Japan.
| | - Toshihito Katsumura
- Department of Sports Medicine for Health Promotion, Tokyo Medical University, Shinjuku, Tokyo, Japan
| | - Shizuo Sakamoto
- Faculty of Sport Science, Surugadai University, Hanno, Saitama, Japan
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Modulation of Interhemispheric Synchronization and Cortical Activity in Healthy Subjects by High-Definition Theta-Burst Electrical Stimulation. Neural Plast 2022; 2022:3593262. [PMID: 35529454 PMCID: PMC9076342 DOI: 10.1155/2022/3593262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 04/18/2022] [Indexed: 11/24/2022] Open
Abstract
Background Various forms of theta-burst stimulation (TBS) such as intermittent TBS (iTBS) and continuous TBS (cTBS) have been introduced as novel facilitation/suppression schemes during repetitive transcranial magnetic stimulation (rTMS), demonstrating a better efficacy than conventional paradigms. Herein, we extended the rTMS-TBS schemes to electrical stimulation of high-definition montage (HD-TBS) and investigated its neural effects on the human brain. Methods In a within-subject design, fifteen right-handed healthy adults randomly participated in 10 min and 2 mA HD-TBS sessions: unilateral (Uni)-iTBS, bilateral (Bi)-cTBS/iTBS, and sham stimulation over primary motor cortex regions. A 20-channel near-infrared spectroscopy (NIRS) system was covered on the bilateral prefrontal cortex (PFC), sensory motor cortex (SMC), and parietal lobe (PL) for observing cerebral hemodynamic responses in the resting-state and during fast finger-tapping tasks at pre-, during, and poststimulation. Interhemispheric correlation coefficient (IHCC) and wavelet phase coherence (WPCO) from resting-state NIRS and concentration of oxyhemoglobin during fast finger-tapping tasks were explored to reflect the symmetry between the two hemispheres and cortical activity, respectively. Results The IHCC and WPCO of NIRS data in the SMC region under Bi-cTBS/iTBS showed relatively small values at low-frequency bands III (0.06–0.15 Hz) and IV (0.02–0.06), indicating a significant desynchronization in both time and frequency domains. In addition, the SMC activation induced by fast finger-tapping exercise was significantly greater during Uni-iTBS as well as during and post Bi-cTBS/iTBS sessions. Conclusions It appears that a 10 min and 2 mA Bi-cTBS/iTBS applied over two hemispheres within the primary motor cortex region could effectively modulate the interhemispheric synchronization and cortical activation in the SMC of healthy subjects. Our study demonstrated that bilateral HD-TBS approaches is an effective noninvasive brain stimulation scheme which could be a novel therapeutic for inducing effects of neuromodulation on various neurological disorders caused by ischemic stroke or traumatic brain injuries.
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Land vs. water HIIE effects on muscle oxygenation and physiological parameter responses in postmenopausal women. Sci Rep 2020; 10:13754. [PMID: 32792555 PMCID: PMC7426831 DOI: 10.1038/s41598-020-70599-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 07/03/2020] [Indexed: 01/02/2023] Open
Abstract
Muscle oxygenation (MO) status is the dynamic balance between O2 utilization and O2 delivery. Low-impact high-intensity interval exercise MO responses in the exercise and recovery stage are still unclear. We compared the differences in MO and physiological parameters between high-intensity interval water-based exercise (WHIIE) and high-intensity interval land bike ergonomic exercise (LBEHIIE) in postmenopausal women. Eleven postmenopausal women completed WHIIE or LBEHIIE in counter-balanced order. Eight sets were performed and each exercise set included high intensity with 80% heart rate reserve (HRR) in 30 s and dynamic recovery with 50% HRR in 90 s. Muscle tissue oxygen saturation index (TSI), total hemoglobin (tHb), oxy-hemoglobin (O2Hb), and deoxy-hemoglobin (HHb) were recorded. Blood lactate, heart rate and rating of perceived exertion (RPE) were measured at pre and post-exercise. Under similar exercise intensity, RPE in WHIIE was lower than that in LBEHIIE. The heart rate in WHIIE was lower than that in LBEHIIE at 1 and 2 min post-exercise. During the dynamic recovery, TSI, tHb, and O2Hb in water were higher than on land. A negative correlation was found between the change in TSI and lactate concentration (r = − 0.664). WHIIE produced greater muscle oxygenation during dynamic recovery. Muscle TSI% was inversely related to blood lactate concentration during exercise in water.
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Near-Infrared Spectroscopy for Monitoring Sternocleidomastoid Muscular Oxygenation during Isometric Flexion for Patients with Mild Nonspecific Neck Pain: A Pilot Study. SENSORS 2020; 20:s20082197. [PMID: 32294993 PMCID: PMC7218888 DOI: 10.3390/s20082197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 12/03/2022]
Abstract
Since there is merit in noninvasive monitoring of muscular oxidative metabolism for near-infrared spectroscopy in a wide range of clinical scenarios, the present study attempted to evaluate the clinical usability for featuring the modulatory strategies of sternocleidomastoid muscular oxygenation using near-infrared spectroscopy in mild nonspecific neck pain patients. The muscular oxygenation variables of the dominant or affected sternocleidomastoid muscles of interest were extracted at 25% of the maximum voluntary isometric contraction from ten patients (5 males and 5 females, 23.6 ± 4.2 years) and asymptomatic individuals (6 males and 4 females, 24.0 ± 5.1 years) using near-infrared spectroscopy. Only a shorter half-deoxygenation time of oxygen saturation during a sternocleidomastoid isometric contraction was noted in patients compared to asymptomatic individuals (10.43 ± 1.79 s vs. 13.82 ± 1.42 s, p < 0.001). Even though the lack of statically significant differences in most of the muscular oxygenation variables failed to refine the definite pathogenic mechanisms underlying nonspecific neck pain, the findings of modulatory strategies of faster deoxygenation implied that near-infrared spectroscopy appears to have practical potential to provide relevant physiological information regarding muscular oxidative metabolism and constituted convincing preliminary evidences of the adaptive manipulations rather than pathological responses of oxidative metabolism capacity of sternocleidomastoid muscles in nonspecific neck patients with mild disability.
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Sousa Neto IV, Carvalho MM, Marqueti RDC, Almeida JA, Oliveira KDS, Barin FR, Petriz B, Araújo HSS, Franco OL, Durigan JLQ. Proteomic changes in skeletal muscle of aged rats in response to resistance training. Cell Biochem Funct 2020; 38:500-509. [DOI: 10.1002/cbf.3497] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/09/2019] [Accepted: 12/23/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Ivo Vieira Sousa Neto
- Programa de Pós‐Graduação em Ciências e Tecnologias em SaúdeUniversidade de Brasília – UnB Brasília DF Brazil
| | - Marcia Mendes Carvalho
- Programa de Pós‐graduação em Educação FísicaUniversidade de Brasília – UnB Brasília DF Brazil
| | - Rita de Cassia Marqueti
- Programa de Pós‐Graduação em Ciências e Tecnologias em SaúdeUniversidade de Brasília – UnB Brasília DF Brazil
- Programa de Pós‐graduação em Ciências da ReabilitaçãoUniversidade de Brasília – UnB Brasília DF Brazil
| | - Jeeser Alves Almeida
- Pesquisa em Exercício e Nutrição na Saúde e Rendimento Esportivo – PENSARE, Programa de Pós‐Graduação em Ciências do MovimentoUniversidade Federal de Mato Grosso do Sul – UFMS Campo Grande MS Brazil
| | - Kléber de S. Oliveira
- Centro de Análises Proteômicas e Bioquímicas, Pós‐Graduação em Ciências Genômicas e BiotecnologiaUniversidade Católica de Brasília – UCB Brasília DF Brazil
| | - Fabrício R. Barin
- Programa de Pós‐Graduação em Ciências e Tecnologias em SaúdeUniversidade de Brasília – UnB Brasília DF Brazil
| | - Bernardo Petriz
- Centro de Análises Proteômicas e Bioquímicas, Pós‐Graduação em Ciências Genômicas e BiotecnologiaUniversidade Católica de Brasília – UCB Brasília DF Brazil
| | | | - Octávio Luiz Franco
- Centro de Análises Proteômicas e Bioquímicas, Pós‐Graduação em Ciências Genômicas e BiotecnologiaUniversidade Católica de Brasília – UCB Brasília DF Brazil
- Programa de Pós‐Graduação em BiotecnologiaUniversidade Católica Dom Bosco – UCDB Campo Grande MS Brazil
| | - João Luiz Quaglioti Durigan
- Programa de Pós‐Graduação em Ciências e Tecnologias em SaúdeUniversidade de Brasília – UnB Brasília DF Brazil
- Programa de Pós‐graduação em Educação FísicaUniversidade de Brasília – UnB Brasília DF Brazil
- Programa de Pós‐graduação em Ciências da ReabilitaçãoUniversidade de Brasília – UnB Brasília DF Brazil
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Nyberg A, Saey D, Martin M, Maltais F. Cardiorespiratory and muscle oxygenation responses to low-load/high-repetition resistance exercises in COPD and healthy controls. J Appl Physiol (1985) 2018; 124:877-887. [DOI: 10.1152/japplphysiol.00447.2017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Single-limb exercises have been used as a strategy to improve aerobic exercise tolerance in patients with chronic obstructive pulmonary disease (COPD) by alleviating the cardiopulmonary demand. We asked whether this strategy would also apply to cardiorespiratory demand and amount of work performed during single-limb and two-limb low-load/high-repetition resistance exercises in 20 patients with COPD [forced expiratory volume in 1 s (FEV1) = 1.0 liters, 38% of predicted] and 15 age-, sex-, and activity-matched healthy controls. Peak ventilation, peak oxygen consumption (V̇o2), and peak heart rate (HR) were assessed to document cardiorespiratory demand during shoulder flexion and knee extension exercises while exercise tolerance was assessed by the total amount of work achieved. In addition, changes in myoglobin-deoxyhemoglobin level (Δdeoxy-[Hb/Mb]) were measured during single-limb knee extension. In COPD, single-limb shoulder flexion and knee extension elicited higher localized workloads than two-limb exercises (21 and 24% higher workloads for the former exercise) while cardiopulmonary demand was 8–16% higher during two-limb exercises. When expressed as a percentage of peak values achieved during incremental cycle ergometry, peak V̇O2 and HR were similarly high during single-limb shoulder flexion and knee extension exercises, representing 90% of peak HR and 60% of peak V̇O2. Apart from single-limb knee extension, cardiorespiratory demand per kilogram work during low-load/high-repetition knee extension and shoulder flexion exercises was higher in patients with COPD than in healthy controls (range 27–122%, P < 0.0125). Δdeoxy-[Hb/Mb] of the quadriceps during knee extension was similar between the two groups, while Δdeoxy-[Hb/Mb] per kilogram work was higher in patients with COPD. We conclude that 1) in patients with COPD, single-limb exercises resulted in lower peak cardiorespiratory demand as well as higher localized workloads compared with two-limb exercises; 2) compared with healthy controls, the cardiorespiratory demand, either expressed per unit of work or relative to peak capacity, was higher in patients with COPD than in controls during low-load/high-repetition resistance exercises, irrespective of the involvement of one or two limbs or of the upper or lower extremity; 3) quadriceps muscle deoxygenation per unit of work during low-load/high-repetition knee extension was increased in COPD compared with controls; and 4) single- and two-limb low-load/high-repetition knee extension and shoulder flexion resistance exercises imposed a similar burden on the cardiorespiratory system, resulting in a higher cardiorespiratory demand per kilogram work performed during shoulder flexion compared with knee extension, in both COPD and healthy controls. NEW & NOTEWORTHY In chronic obstructive pulmonary disease (COPD), single-limb knee extension and shoulder flexion resulted in a lower peak cardiorespiratory response as well as larger localized exercise workloads compared with two-limb exercises. Cardiorespiratory and quadriceps deoxygenation cost per kilogram work was greater in COPD compared with healthy controls, despite similar acute responses. Compared with knee extension, shoulder flexion imposed a similar burden on the cardiorespiratory system in patients with COPD and healthy controls.
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Affiliation(s)
- André Nyberg
- Institut Universitaire de cardiologie et de pneumologie de Québec, Université Laval, Quebec, Canada
| | - Didier Saey
- Institut Universitaire de cardiologie et de pneumologie de Québec, Université Laval, Quebec, Canada
- Faculté de Médicine, Université Laval, Quebec, Canada
| | - Mickaël Martin
- Institut Universitaire de cardiologie et de pneumologie de Québec, Université Laval, Quebec, Canada
| | - François Maltais
- Institut Universitaire de cardiologie et de pneumologie de Québec, Université Laval, Quebec, Canada
- Faculté de Médicine, Université Laval, Quebec, Canada
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Fiogbé E, de Vassimon-Barroso V, de Medeiros Takahashi AC. Exercise training in older adults, what effects on muscle oxygenation? A systematic review. Arch Gerontol Geriatr 2017; 71:89-98. [PMID: 28410504 DOI: 10.1016/j.archger.2017.03.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 02/20/2017] [Accepted: 03/01/2017] [Indexed: 12/15/2022]
Abstract
AIM To determine the effects of different modality of exercise training programs on muscle oxygenation in older adults. METHODS Relevant articles were searched in PubMed, Web of Science, Science Direct and Scopus, using the keywords: "Aged" AND "Muscle oxygenation" AND (Exercise OR "Exercise therapy" OR "Exercise Movement Techniques" OR Hydrotherapy), without limitation concerning the publication date. To be included in the full analysis, the study had to be a randomized controlled trial in which older adults participants (mean age: 65 years at least) were submitted to an exercise-training program and muscle oxygenation assessment. RESULTS The searches resulted in 1238 articles from which 7 met all the inclusion criteria. The trials involved 370 older adults (68.7±1.7years), healthy and with peripheral arterial disease. Studies included resistance and endurance exercises as well as walking sessions. Training sessions were 2-6 time per week, lasted 3-24 months and with different training intensity throughout studies. After a long-term resistance training, healthy older adults showed enhanced muscle oxygen extraction capacity, regulation of vessels and vascular endothelium function; endurance training is reported to improve microvascular blood flow and matching of oxygen delivery to oxygen utilization, muscle oxidative capacity and muscle saturation, and walking sessions results in better muscle oxygen availability and muscle oxygen extraction capacity in older adults with peripheral arterial disease. CONCLUSIONS This review supports the fact that depending on the clinical status of the participants and the modality, exercise training improves different aspects of the muscle oxygenation in older adults.
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Affiliation(s)
- Elie Fiogbé
- Department of Physiotherapy, Federal University of Sao Carlos, São Carlos, SP, Brazil.
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Lin TY, Wu JS, Lin LL, Ho TC, Lin PY, Chen JJJ. Assessments of Muscle Oxygenation and Cortical Activity Using Functional Near-infrared Spectroscopy in Healthy Adults During Hybrid Activation. IEEE Trans Neural Syst Rehabil Eng 2016; 24:1-9. [DOI: 10.1109/tnsre.2015.2429655] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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