Leg Curl (on stability ball)

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Leg Curl (on stability ball)

Instructions

Preparation

Lie supine on floor with lower legs on exercise ball. Extended arms out to sides. Straighten low back, knees, and hips, raising back and hips off of floor.

Execution

Keeping hips and low back straight, bend knees, pulling heels toward rear end. Allow feet to rollup on to ball. Lower to original position by straightening knees. Repeat.

Comments

Keep hips straight throughout movement. Dorsal flexion of ankle reduces active insufficiency of Gastrocnemius allowing it to assist in knee flexion.

Classification

 Utility: Basic or Auxiliary
 Mechanics: Isolated
 Force: Pull

Muscles

Target

Synergists

Stabilizers

Antagonist Stabilizers

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