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Physiother Theory Pract. 2019 May;35(5):451-457. doi: 10.1080/09593985.2018.1453569. Epub 2018 Mar 30.

Comparison of hip extensor muscle activity including the adductor magnus during three prone hip extension exercises.

Author information

1
a Department of Physical Therapy, College of Medical Science , Jeonju University , Jeonju , South Korea.
2
b Department of Physical Therapy , College of Health Science, Sangji University , Wonju , South Korea.

Abstract

OBJECTIVES:

This study compared the role of the adductor magnus muscle (Amag) as a hip extensor while performing active prone hip extension (PHE), PHE with hip adduction (PHE-ADD), and PHE with hip abduction (PHE-ABD) with the gluteus maximus (Gmax) and hamstrings.

METHODS:

The study recruited 22 healthy participants. Electromyography data were recorded from the Amag, Gmax, and medial and lateral hamstrings during PHE, PHE-ADD, and PHE-ABD. Normalized electromyographic data were examined using one-way, repeated-measures analyses of variance.

RESULTS:

The magnitude of the Amag, Gmax, and hamstring activations did not differ significantly while performing PHE (p = 0.41). Furthermore, the Amag and hamstring activations were significantly greater than the Gmax activation when performing PHE-ADD (p < 0.05). The Gmax showed significantly greater activation during PHE-ABD than the Amag and medial and lateral hamstrings (p < 0.05).

CONCLUSIONS:

Based on these results, we advocate including the Amag as a hip extensor during the PHE test or exercise. Our preliminary results have the potential to be applied directly to the PHE test, for investigating the muscle-activation pattern of the Amag with the Gmax and hamstrings in patients with hip or lower back pain.

KEYWORDS:

Adductor magnus; electromyography; hip extensor; prone hip extension

PMID:
29601221
DOI:
10.1080/09593985.2018.1453569
[Indexed for MEDLINE]

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