Activation of the gluteus maximus and hamstring muscles during prone hip extension with knee flexion in three hip abduction positions

Kang, Shin Won; Jeon, Hye‐Seon; Kwon, Oh-Yun; Cynn, Heon-Seock; Choi, Bok Kyoung

doi:10.1016/j.math.2012.11.006

Cited by 59 publications

(39 citation statements)

References 29 publications

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“…Various interventions, including the conventional PHE, the modified PHE, the single-limb squat and the double-legged squat have been suggested to increase GM activation in individuals with GM weakness. [8][9][10] In previous study, performing the PHE exercise with constant knee flexion of 90° compared to constant full knee extension could be a better strategy to selectively activate GM muscle with minimal activation of BF and ST. 11 In addition, Kang et al (2013) reported that PHE with knee flexion exercise in the 30° hip abduction can lead to maximal GM and minimal hamstring activity than 0° hip abduction position. For these reasons, PHE exercise was performed with 30° hip abduction with 90° knee flexion to increase the activity of GM.…”

Section: 6mentioning

confidence: 95%

“…For these reasons, PHE exercise was performed with 30° hip abduction with 90° knee flexion to increase the activity of GM. 9,11 Iliopsoas stretching might be used to reduce muscle imbalance before exercises to activate GM muscle activity for subjects with a short iliopsoas. Even if this technique might be helpful, no studies have investigated to increase the flexibility of iliopsoas and the activation of GM muscle in subjects with a short iliopsoas.…”

Section: 6mentioning

confidence: 99%

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Comparison of Prone Hip Extension Exercise and Prone Hip Extension Exercise after Iliopsoas Stretching on Lumbopelvic Control and Gluteus Maximus Activity in Subjects with Short Iliopsoas

Jeon¹,

Jang²

2017

J KEMA

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Section: 6mentioning

confidence: 95%

Section: 6mentioning

confidence: 99%

Comparison of Prone Hip Extension Exercise and Prone Hip Extension Exercise after Iliopsoas Stretching on Lumbopelvic Control and Gluteus Maximus Activity in Subjects with Short Iliopsoas

Jeon¹,

Jang²

2017

J KEMA

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“…Sidorkewicz et al [22] suggested that when minimal activation of tensor fascia latae is desired, Clam is preferred over HABD. Although GMax showed the highest activation in single-leg squat, PHE is more commonly used in rehabilitation due to its simplicity [23]. …”

Section: Methodsmentioning

confidence: 99%

The effects of therapeutic hip exercise with abdominal core activation on recruitment of the hip muscles

Chan

Chow

Lai

et al. 2017

BMC Musculoskelet Disord

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BackgroundCore stabilization has been utilized for rehabilitation and prevention of lower limb musculoskeletal injuries. Previous studies showed that activation of the abdominal core muscles enhanced the hip muscle activity in hip extension and abduction exercises. However, the lack of the direct measurement and quantification of the activation level of the abdominal core muscles during the execution of the hip exercises affect the level of evidence to substantiate the proposed application of core exercises to promote training and rehabilitation outcome of the hip region. The aim of the present study was to examine the effects of abdominal core activation, which is monitored directly by surface electromyography (EMG), on hip muscle activation while performing different hip exercises, and to explore whether participant characteristics such as gender, physical activity level and contractile properties of muscles, which is assessed by tensiomyography (TMG), have confounding effect to the activation of hip muscles in enhanced core condition.MethodsSurface EMG of bilateral internal obliques (IO), upper gluteus maximus (UGMax), lower gluteus maximus (LGMax), gluteus medius (GMed) and biceps femoris (BF) of dominant leg was recorded in 20 young healthy subjects while performing 3 hip exercises: Clam, side-lying hip abduction (HABD), and prone hip extension (PHE) in 2 conditions: natural core activation (NC) and enhanced core activation (CO). EMG signals normalized to percentage of maximal voluntary isometric contraction (%MVIC) were compared between two core conditions with the threshold of the enhanced abdominal core condition defined as >20%MVIC of IO.ResultsEnhanced abdominal core activation has significantly promoted the activation level of GMed in all phases of clam exercise (P < 0.05), and UGMax in all phases of PHE exercise (P < 0.05), LGMax in eccentric phases of all 3 exercises (P < 0.05), and BF in all phases of all 3 exercises except the eccentric phase of PHE exercise (P < 0.05). The %MVIC of UGMax was significantly higher than that of LGMax in all phases of clam and HABD exercises under both CO and NC conditions (P < 0.001) while the %MVIC of LGMax was significantly higher than UGMax in concentric phase of PHE exercise under NC condition (P = 0.003). Gender, physical activity level and TMG parameters were not major covariates to activation of hip muscles under enhanced core condition.ConclusionsAbdominal core activation enhances the hip muscles recruitment in Clam, HABD and PHE exercises, and this enhancement is correlated with higher physical activity and stiffer hip muscle. Our results suggest the potential application of abdominal core activation for lower limb rehabilitation since the increased activation of target hip muscles may enhance the therapeutic effects of hip strengthening exercises.

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“…Thus, the involved muscle fi bers are assumed to run parallel to the direction of muscle pull, probably leading to optimized muscle activation. Kang et al ( 2013 ) found that electromyography (EMG) activity of the GM was greatest at 30° of hip abduction, followed by 15° and then 0° hip during prone hip extension with 90° knee fl exion, whereas activity of the hamstrings decreased with increasing hip abduction angle. These fi ndings indicate that hip abduction angle affects the relative contribution of the GM and hamstrings to hip extension.…”

Section: Hip Extensionmentioning

confidence: 99%

Functional Differences Among Hamstring Muscles in Hip Extension and Knee Flexion Exercises

Yanagisawa

2015

Sports Injuries and Prevention

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The hamstring muscles consist of the long (BF-L) and short (BF-S) heads of the biceps femoris, semitendinosus (ST), and semimembranosus (SM). The BF-L, ST, and SM act on both hip extension and knee fl exion as biarticular muscle, whereas the BF-S fl exes the knee as a uniarticular muscle. The hamstrings are occasionally treated as a muscle group (hip extensors or knee fl exors), but previous studies have reported morphological and functional differences among the hamstrings. The hamstrings show individual characteristics in architectural parameters (e.g. fi ber length, pennation angle, and physiological cross-sectional area). These architectural differences are likely closely associated with differences in the forcegeneration capacity of each hamstring muscle. In addition, each muscle's function is affected by the angle of the hip and/or knee joints. The morphology and function of one hamstring muscle cannot be considered representative of the whole muscle group and vice versa. Thus, treating the hamstrings as a single muscle unit by assuming a uniform inter-muscular architecture can result in an inaccurate account of hamstring muscle function.

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Activation of the gluteus maximus and hamstring muscles during prone hip extension with knee flexion in three hip abduction positions

Cited by 59 publications

References 29 publications

Comparison of Prone Hip Extension Exercise and Prone Hip Extension Exercise after Iliopsoas Stretching on Lumbopelvic Control and Gluteus Maximus Activity in Subjects with Short Iliopsoas

Comparison of Prone Hip Extension Exercise and Prone Hip Extension Exercise after Iliopsoas Stretching on Lumbopelvic Control and Gluteus Maximus Activity in Subjects with Short Iliopsoas

The effects of therapeutic hip exercise with abdominal core activation on recruitment of the hip muscles

Functional Differences Among Hamstring Muscles in Hip Extension and Knee Flexion Exercises

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