Sexual Dimorphism Impact on the Ground Reaction Force Acting on the Mediolateral Direction During Level Walking: Hip Abductor Muscle Biomechanics and Its Correlation to GRF Moment Arm

被引:7
作者
Abd-Eltawab, Amany E. [1 ,2 ]
Ameer, Mariam A. [1 ,2 ]
Eladl, Mohamed Ahmed [3 ]
El-Sherbiny, Mohamed [4 ]
Ebrahim, Hasnaa Ali [5 ]
Elsherbini, Dalia Mahmoud Abdelmonem [6 ,7 ]
机构
[1] Jouf Univ, Fac Appl Med Sci, Phys Therapy & Hlth Rehabil Dept, Sakaka, Saudi Arabia
[2] Cairo Univ, Fac Phys Therapy, Biomech Dept, Cairo, Egypt
[3] Univ Sharjah, Dept Basic Med Sci, Coll Med, Sharjah, U Arab Emirates
[4] Almaarefa Univ, Coll Med, Dept Basic Med Sci, Riyadh, Saudi Arabia
[5] Princess Nourah Bint Abdulrahman Univ, Dept Basic Med Sci, Coll Med, Riyadh, Saudi Arabia
[6] Jouf Univ, Dept Clin Lab Sci, Coll Appl Med Sci, Sakaka, Saudi Arabia
[7] Mansoura Univ, Dept Anat, Fac Med, Mansoura, Egypt
来源
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY | 2022年 / 10卷
关键词
level walking; abductor muscles; mediolateral GRF; moment arm; sexual dimorphism; GENDER-DIFFERENCES; KINEMATICS; ANATOMY; BALANCE; PELVIS; FOOT;
D O I
10.3389/fbioe.2022.863194
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The female pelvis morphology represents an evolved compensation between two opposing needs: a broad pelvis enough to deliver a sizeable brained offspring while remaining narrow enough to allow for effective bipedal gait. The precise expectation of hip abductor force generation is critical in anthropological studies and experimental practice of human stride mechanics. Hip implants and surgical procedures for hip anatomy reconstruction are based on the static single-leg stance paradigm. The current work investigated the impact of sexual dimorphism on the ground reaction force (GRF) acting on the mediolateral direction during level walking, emphasizing the difference in hip abductor muscle biomechanics and its correlation to ground reaction force moment arm, R. The ground reaction force in the mediolateral direction, hip abduction and adduction moments during the gait cycle and ground reaction force moment arm, R were measured. The current study concludes that the male individuals exhibit significantly higher mass-specific mediolateral ground reaction force during level walking. In contrast, hip abductor moments/kg body weight, medialization of the trochanter, R, and hip coronal were more significant in female individuals. We conclude that increased abductor moment and medialization of the greater trochanter will increase R, hip coronal and decrease abductor moment arm, r, in female individuals, affecting the effective mechanical advantage (EMA) of hip abductors in single-limb stance during level walking.
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页数:12
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