Electromyographic Activity of selected Trunk, Core, and Thigh Muscles in commonly used Exercises for ACL Rehabilitation

Alizadehkhaiyat, Omid and Norris, Jessica (2018) Electromyographic Activity of selected Trunk, Core, and Thigh Muscles in commonly used Exercises for ACL Rehabilitation. Journal of Physical Therapy Science, 30 (4). pp. 642-648. ISSN 0915-5287 (Accepted for Publication)

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Abstract

Purpose: Most of rehabilitation programmes for Anterior Cruciate Ligament (ACL) injury focus on quadriceps-hamstrings activation imbalances and less is known about kinetically linked muscles. Study investigated electromyographic activity of selected trunk, core, and thigh muscles during common rehabilitation exercises for ACL injury. Subjects and Methods: Twelve active female volunteers participated in this cross-sectional laboratory study. Surface EMG was used to compare activation of eight trunk, hip/core, and lower limb muscles: Erector Spinae (ES), Rectus Abdominis (RA), Gluteus Maximus (GM), Vastus Lateralis (VL), Rectus Femoris (RF), Vastus Medialis (VM), Biceps Femoris (BF), and Semitendinosus (ST) during Forward Lunge, Double Leg Raise, Glute Bridge, Sit-Up, and Squat. Results: Forward lunge produced significantly higher activation in the VM (61.1±19.4), VL (59.2±12.9), and RF (32.0±2.6). Double leg raise generated highest activity in the RF (26.6±2.8) and RA (43.3±4.4); and Glute Bridge in the GM (44.5±19.0) and BF (22.4±4.3). Sit-up produced the highest activation in the RF (36.6±4.7) followed by RA (18.9±3.8). Squat produced a higher activation in VL (55.0±12.9), VM (51.5±18.2), and ES (40.4±18.3). Conclusion: Study provide further evidence for developing training programmes for ACL injury prevention and rehabilitation. A combination of exercises to reinstate quadriceps-hamstrings activation balance and enhance core stability is recommended.

Item Type: Article
Additional Information and Comments: Copyright 2018 The Society of Physical Therapy Science. The definitive version is available at https://doi.org/10.1589/jpts.30.642
Keywords: Electromyography; Activation Balance; Neuromuscular Function
Faculty / Department: Faculty of Science > School of Health Sciences
Depositing User: Omid Khaiyat
Date Deposited: 23 Jul 2018 10:58
Last Modified: 23 Jul 2018 10:58
URI: http://hira.hope.ac.uk/id/eprint/2454

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