Gluteus medius, gluteus minimus and tensor fascia latae are overactive during gait in post-menopausal women with greater trochanteric pain syndrome

Ganderton, Charlotte; Pizzari, Tania; Harle, Tanya; Cook, Jill; Semciw, Adam

doi:10.1016/j.jsams.2017.01.015

Cited by 2 publications

(13 citation statements)

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“…Additionally, the pain levels in the OA group were similar or less than those reported in previous EMG studies in a clinical population. 20 Pain levels in the control group were also similar to a healthy young population in other EMG studies. 41…”

Section: Discussionsupporting

confidence: 80%

“…17 A lack of functional differentiation in the timing of peak activity between the two segments of GMin has been identified in a population with gluteal tendinopathy. 19,20 In both studies, anterior GMin demonstrated a higher burst of activity in the early stance phase which is different from the activity pattern seen in healthy young adults. 17 While it has been identified that atrophy affects the anterior GMin in endstage hip OA, 11 it is unknown whether these atrophic changes result in altered muscle activity patterns and change in the timing of peak activation between the two segments of GMin in people with hip OA.…”

Section: Introductionmentioning

confidence: 56%

“…This finding is consistent with clinical populations in other studies. 19,20 The findings in this study may also provide novel information about the effect of normal aging on hip muscle function. Anterior GMin activity peaked early in the gait cycle in the control group, which is in contrast to the later peak described in healthy young adults.…”

Section: Discussionmentioning

confidence: 79%

“…Variability while performing particular movements is essential for adaptive motor control, 40 and the trend for decreased variability in anterior GMin and GMed is similar to that previously identified in a population with gluteal tendinopathy. 20 A lack of variability in muscle activity patterns could result in increased load at the affected joint 40 which could lead to further progress of the disease. Lack of variability may also lead to altered central control to these muscles to accomplish a given movement.…”

Section: Discussionmentioning

confidence: 99%

“…To measure the variability in muscle activation across strides, the coefficient of variation (CV = standard deviation/mean activity) was calculated for each of the phases of the gait cycle for each participant. 20 The CV was then averaged for each participant across the 8 strides.…”

Section: Data Processingmentioning

confidence: 99%

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Comparison of gluteus medius and minimus activity during gait in people with hip osteoarthritis and matched controls

Zacharias

Pizzari

Semciw

et al. 2019

Scandinavian Med Sci Sports

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The gluteal muscles act as stabilizers of the hip joint and are important for the maintenance of hip function. Atrophy and weakness of the gluteal muscles have been identified in people with hip OA, but it is not known whether these muscles also exhibit altered activity patterns. The aim of this study was to compare gluteal muscle activity in people with hip OA and healthy older adults. Fine-wire intramuscular electrodes were inserted into the three segments of gluteus medius (GMed) and two segments of gluteus minimus (GMin) in 20 participants with unilateral hip OA and 20 age-and gender-matched controls. Electromyographic activity of these muscle segments was examined during walking along a 10 m walkway. Peak amplitude, average amplitude, and time to peak were compared between groups during the stance phase of the gait cycle. During early stance, the OA group demonstrated a higher burst of activity in posterior GMin (P = 0.02) and trends toward a higher peak in anterior GMin. Both groups displayed peak activity in anterior GMin in the early stance phase in contrast to previous reports in young adults. This early burst of muscle activity was more pronounced with increasing severity of OA. No differences were identified in GMed activity. While altered GMin activity is associated with aging, these changes were more pronounced in participants with hip OA. To reduce disability associated with hip OA, future rehabilitation programs should consider targeted gait strategies and exercises for GMin. K E Y W O R D Selectromyography, gait, hip, osteoarthritis | 697 ZACHARIAS et Al.

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Section: Discussionsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 56%

Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Section: Data Processingmentioning

confidence: 99%

See 3 more Smart Citations

Comparison of gluteus medius and minimus activity during gait in people with hip osteoarthritis and matched controls

Zacharias

Pizzari

Semciw

et al. 2019

Scandinavian Med Sci Sports

View full text Add to dashboard Cite

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Can Older Adult Patients with Hip Fractures Have Their Discharge Destination Predicted by Physical Performance Measures?

Seok,

Choi,

Roh

et al. 2024

Medicina

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Background and Objectives: The majority of patients who undergo hip fracture surgery do not recover their former level of physical function; hence, it is essential to establish a specific rehabilitation strategy for maximal functional recovery of patients after a hip fracture. Knowing which indicators of physical function in hip fracture patients have a significant impact on the decision regarding the place or timing of discharge would make it possible to plan and prepare for discharge as soon as possible. Therefore, this study aimed to investigate the relationship between physical function and discharge destination for older adult patients with hip fracture. Materials and Methods: In this retrospective cohort study, 150 hip fracture patients (mean age 78.9 ± 10.6 years) between January 2019 and June 2021 were enrolled. Patients were categorized into two groups according to their discharge destination, either home or facility. Demographic and disease-related characteristic data were collected from the medical records. All the patients completed performance-based physical function tests including the 10 Meter Walk Test (10MWT), Timed Up and Go test (TUG), Koval’s grade, and Berg Balance Scale (BBS) at the start of rehabilitation and at discharge. A backward stepwise binary logistic regression analysis was then performed to determine the independent factors of the discharge destination. Results: The home discharge group had a significantly lower Koval’s grade, lower TUG, higher BBS both at baseline and discharge, and younger age. Backward stepwise logistic binary regression analysis showed that TUG, BBS, and 10MWT at baseline and discharge were significant variables affecting the discharge destination after hip fracture. Conclusions: These results demonstrate that balance and gait in older adult patients with hip fractures are highly influential factors in the determining the discharge destination.

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Gluteus medius, gluteus minimus and tensor fascia latae are overactive during gait in post-menopausal women with greater trochanteric pain syndrome

Cited by 2 publications

References 0 publications

Comparison of gluteus medius and minimus activity during gait in people with hip osteoarthritis and matched controls

Comparison of gluteus medius and minimus activity during gait in people with hip osteoarthritis and matched controls

Can Older Adult Patients with Hip Fractures Have Their Discharge Destination Predicted by Physical Performance Measures?

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