Lying Simultaneous Alternating Leg Raise

Lying Simultaneous Alternating Leg Raise

Classification

Utility: Auxiliary
Mechanics: Isolated
Force: Pull

Instructions

Preparation

Lie supine on bench or mat. Place hands under lower buttock on each side to support pelvis. Raise bent leg up so lower leg is approximately horizonal above hip. If lying on floor, raise other leg slightly off of floor.

Execution

Simultaneously change positions of legs, lowering and straightening raised leg down just above floor while raising and bending lower leg to opposite position. Continue alternating leg positions.

Comments

Rectus Abdominis and Obliques only contract dynamically if actual waist flexion occurs. With no waist flexion, Rectus Abdominis and External Oblique will only act to stabilize pelvis and waist during hip flexion. Conversely, it may be necessary to completely flex hips before waist flexion is possible, which is not practical with alternating leg movements. Also see Spot Reduction Myth and Lower Ab Myth.

Easier

To decrease intensity, perform exercise on floor and allow alternating heels to make contact with floor each repetition.

Harder

Perform on incline board or perform with knees straight to increase resistance. Exercise can also be performed with added weight using ankle straps.


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