Purpose: To review the effectiveness of isokinetic training as an alternative method to traditional isotonic resistance training.
Materials And Methods: Researchers examined data from PubMed, CENTRAL, MEDLINE COMPLETE, and Web of Science until February 2023. A total of 365 entries were obtained from databases, including studies that analyzed the effects of isokinetic vs. isotonic-based rehabilitation in athletes (16-50 years) after a surgical knee intervention. Return to sport (RTS), strength of the flex/extensor compartment of the thigh, muscle mass of the thigh, and knee function were screened as main outcomes. Two reviewers independently screened the studies for eligibility and assessed the risk of bias of the included ones.
Results: Six studies involving 181 athletes were included. Isokinetic training demonstrated significant benefits in peak torque for knee flexor-extensor muscles in four studies. Two studies favored isokinetic training over isotonic for strength. Muscle mass findings were mixed, with one study favoring isokinetic significantly and two showing no significant differences. In terms of returning to sport, the isotonic group displayed slightly better limb symmetry index values, but without significance. Isokinetic training outperformed isotonic in two functionality questionnaire studies, while two others showed no significant differences.
Conclusions: Isokinetic training appears equally, if not more effective than isotonic, for restoring strength balance between hamstrings and quadriceps. This could lead to more favorable muscle mass changes. Isokinetic training also parallels isotonic rehabilitation for functional outcomes and meeting return-to-sport criteria. Therefore, isokinetic training should be included as one of the main strength restoration strategies after knee surgery, especially in early and middle rehabilitation stages.
Registration Number: The present systematic review was registered on PROSPERO (registration number: CRD42022370398).
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http://dx.doi.org/10.1080/00913847.2023.2297666 | DOI Listing |
Front Physiol
January 2025
Sports Science School, Beijing Sport University, Beijing, China.
Purpose: This study aimed to explore the effects of neural and muscular factors on lower limb explosive strength in male college sprinters, and build models based on those factors to identify the key neuromuscular factors that predict the rate of force development (RFD) and 30 m sprint time.
Method: 15 male college sprinters were recruited in this study, with 100 m personal best times under 10.93 s.
BMC Musculoskelet Disord
January 2025
Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, College of Life and Environmental Sciences, University of Birmingham, Birmingham, B15 2TT, UK.
Objective: To assess the responsiveness of a hand-held dynamometer (HHD) in evaluating changes in trunk isometric strength in people with chronic low back pain (LBP).
Background: Reduced trunk muscle strength has been associated with pain incidence and severity in people with chronic LBP. Trunk muscle strength is an important functional outcome that is measured in clinical practice and research.
Cureus
December 2024
Department of Physiotherapy, Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice, POL.
Introduction: Anterior cruciate ligament (ACL) reconstruction (ACLR) is the gold standard for treating ACL injuries, particularly in soccer players who are at a high risk of knee injury. While professional athletes often return to sport (RTS) within 7-10 months after ACLR, non-elite players experience significant delays. There is a need to investigate neuromuscular deficits and functional asymmetries in the non-elite group, which may persist even after clearance for RTS.
View Article and Find Full Text PDFAnn Phys Rehabil Med
January 2025
Physical and Rehabilitation medicine Department, Raymond Poincaré Hospital, GHU Paris Saclay, APHP, 104 Bld Raymond Poincaré, Garches, France; End: icap laboratory, Inserm Unit 1179, UVSQ, 2 Av. de la Source de la Bièvre, Montigny-le-Bretonneux, France.
Background: The benefits of Interdisciplinary Rehabilitation in an Outpatient Specialised Unit (IROSU) have not been determined.
Objectives: To compare the effects of IROSU and physiotherapy in the community on impairment, function and Quality Of Life (QoL) in people with Multiple Sclerosis (pwMS) and to determine the medico-economic impact.
Methods: Pragmatic, multicentre, parallel, randomized (centralised computer-generated randomisation) controlled trial.
Exp Gerontol
January 2025
Research Group in Prevention and Health in Exercise and Sport (PHES), University of Valencia, Valencia, Spain.
Purpose: This study aimed to explore the association and prediction of hip abduction-adduction and knee flexion-extension isokinetic absolute and relative strength and power at 60°/s and 180°/s from functional tests performance (i.e., Up-and-Go Test [seconds], 30-Second Chair Stand Test [repetitions and relative and allometric power], 30-Second Arm Curl Test [repetitions], and 6-Minute Walk Test [meters]) in older adults.
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