The femoral neck, which is located near the top of the femur bone, is especially susceptible to fractures due to osteoporosis because it is the weakest part of the femur.

To understand their function, you have to understand the difference between adduction and abduction: Adduction is the movement of pulling a limb toward the midline of the body.

Butt exercises to try in bed include the static glute hold, hip abduction and adduction, hip bridge, and side-lying leg raise.