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Context: Weakness or decreased activation of the hip abductors and external rotators has been associated with lower extremity injury, especially in females. Resisted side stepping is commonly used to address hip weakness. Whereas multiple variations of this exercise are used clinically, few data exist regarding which variations to select.
Objective: To investigate differences in muscle-activation and movement patterns and determine kinematic and limb-specific differences between men and women during resisted side stepping with 3 resistive-band positions. De: Controlled laboratory study. Setting: Laboratory. Intervention s : Participants side stepped with the resistive band at 3 locations knees, ankles, feet. Main outcome measure s : We collected surface electromyography of the gluteus maximus, gluteus medius, and tensor fascia lata TFL for the moving and stance limbs during the concentric and eccentric phases. We also measured trunk inclination, hip and knee flexion, and hip-abduction excursion.
The pattern of TFL activity in the stance limb differed by sex. Gluteus maximus and medius activity increased when the band was moved from the knees to the ankles and from the ankles to the feet, whereas TFL activity increased only when the band was moved from the knees to the ankles.
Findings were similar for both the stance and moving limbs, but the magnitudes of the changes differed. Conclusions: Compared with placing the band around the ankles, placing the band around the feet for resisted side stepping elicited more activity in the gluteal muscles without increasing TFL activity. This band placement is most appropriate when the therapeutic goal is to activate the muscles that resist hip adduction and internal rotation.
Keywords: electromyography; gluteus maximus; gluteus medius; hip weakness. Please enable it to take advantage of the complete set of features! Clipboard, Search History, and several other advanced features are temporarily unavailable. Search: Search. Advanced Clipboard.
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RSS Link Copy. Full text links Cite Display options Display options. Abstract Context: Weakness or decreased activation of the hip abductors and external rotators has been associated with lower extremity injury, especially in females. Figures Figure 1 Illustration of band position during…. Figure 1 Illustration of band position during resisted side stepping.
A, Knees. B, Ankles. Illustration of band position during resisted side stepping. C, Feet. Figure 2 Average normalized muscle activity during…. Figure 2 Average normalized muscle activity during the concentric phase in the moving limb and…. Average normalized muscle activity during the concentric phase in the moving limb and stance limb for the 3 muscles evaluated with the resistive band in each of 3 positions knees, ankles, feet for each sex.
A, Gluteus maximus. B, Gluteus medius. C, Tensor fascia lata. Figure 3 Average normalized muscle activity during…. Figure 3 Average normalized muscle activity during the eccentric phase in the moving limb and…. Average normalized muscle activity during the eccentric phase in the moving limb and stance limb for the 3 muscles evaluated with the resistive band in each of 3 positions knees, ankles, feet for each sex.
See this image and copyright information in PMC. Berry JW, et al. J Orthop Sports Phys Ther. Epub Jul Which exercises target the gluteal muscles while minimizing activation of the tensor fascia lata? Electromyographic assessment using fine-wire electrodes. Selkowitz DM, et al. Epub Nov PMID: Progressive hip rehabilitation: the effects of resistance band placement on gluteal activation during two common exercises.
Cambridge ED, et al. Clin Biomech Bristol, Avon. Epub Mar Ebert JR, et al. J Sport Rehabil.
Epub Aug PMID: Review. Contributions to the understanding of gait control. Simonsen EB. Dan Med J. See all similar articles. Bianco A, et al. J Funct Morphol Kinesiol. Terrell SL, et al. J Athl Train. Online ahead of print. MeSH terms Adult Actions. Ankle Actions. Biomechanical Phenomena Actions. Buttocks Actions.
Electromyography Actions. Female Actions. Foot Actions. Humans Actions.Women looking real sex East Grand Forks Minnesota
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Hip-Muscle Activity in Men and Women During Resisted Side Stepping With Different Band Positions