Suspended Leg Curl

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Suspended Leg Curl

Instructions

Preparation

Sit on floor facing suspension trainer loops in low position. Grasp bottom of loops, then lay supine. Raise legs and place heels in loops with soles contacting handles. Extend legs out and place arms on floor off to sides. Straighten low back, knees, and hips, raising back and hips off of floor.

Execution

Pull heels toward rear end by bending knees and hips simultaneously. Lower body to original position by straightening knees and hips. Repeat.

Comments

Keep low back straight, maintaining approximate height from floor throughout movement. Hamstrings seemingly acts as a dynamic stabilizer, since it shortens through knee, while it lengthens through hip. However, net contraction actually appears to occur, since hip flexes only about 50%, while knee flexes nearly 100%, allowing hamstrings to remain in a mechanically strong position throughout movement. Dorsal flexion of ankle reduces active insufficiency of Gastrocnemius, allowing it to assist in knee flexion.
 
Apart from Sartorius involvement, flexion of hips is largely passive and is accomplished by eccentric contraction of glutes during concentric contraction of hamstrings, even when lying far away from suspension anchor.

Easier

Movement can be made easier by lying closer under anchor of suspension trainer.

Harder

Movement can be made more challenging by lying further back, away horizontally from anchor of suspension trainer. Alternatively, hips can be kept straight during knee flexion to permit greater contraction of hamstrings.

Classification

 Utility: Basic or Auxiliary
 Mechanics: Isolated
 Force: Pull

Muscles

Target

Synergists

Stabilizers

Antagonist Stabilizers

Dynamic Stabilizers

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