Abstract
New experimental and clinical data on the function of the ligamentum capitis femoris (LCF) and its participation in maintaining an erect posture were obtained. It was established that this anatomical element is involved in constraining the hip joint adduction and may fix the joint in the frontal plane, turning it into an analogue of a second-class lever. In both unstrained one-suport and symmetrical two-support orthostatic postures, when the LCF is stretched and the abductor muscle group is exerted, a load equal to the body weight is evenly distributed between the upper and lower hemispheres of the caput femoris. In addition, the LCF function increases the steadiness of the erect posture and unloads the muscle apparatus.
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Original Russian Text © S.V. Arkhipov, 2008, published in Fiziologiya Cheloveka, 2008, Vol. 34, No. 1, pp. 89–95.
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Arkhipov, S.V. On the role of the ligamentum capitis femoris in the maintenance of different types of erect posture. Hum Physiol 34, 79–85 (2008). https://doi.org/10.1134/S036211970801012X
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DOI: https://doi.org/10.1134/S036211970801012X