KN2102: Hip Extension on Stability Ball
 Category  Exercise  Rehab Level  Intermediate
 Body Part  Knee  Muscle(s)  biceps femoris, semimembranosus , semitendinosus
 Equipment  Stability Ball
 Purpose  Increase knee strength and muscular endurance.  Benefits  Improved stability, functional strength and injury prevention.
 Video  Streaming video available.  Audio  Instructional audio currently not available.
 Instructions
 Starting Position  Movement
Rest upper body over ball and put hands on floor under shoulders while extending legs. Toes should maintain floor contact. Keep head, neck and upper body in a neutral position.
Lift legs to hip level. Squeeze your gluts for added contraction. Pause momentarily and return to start position. Maintain stability with upper body. Repeat for prescribed repetitions and sets.