This compensates for weakness of hip extension.
It has a high gabled roof with intersecting cross-gabled hip extensions above the main entry.
Change in the shape of the hip may have led to the decrease in the degree of hip extension, an energy efficient adaptation.
This mimics the rapid hip extension and subsequent toe-rise during the clean and jerk or snatch.
The posterior fibres of gluteus medius contract to produce hip extension, lateral rotation and abduction.
In addition, the decrease in hip extension causes women to compensate by landing with a stiff knee.
The short head of the biceps femoris crosses only one joint (knee) and is therefore not involved in hip extension.
Pressure should then be directed downward on the leg in order to achieve hip extension and stress the sacroiliac joint.
Since the long head originates in the pelvis it is also involved in hip extension.
It has a gabled roof with a hip extension on the east end.