ORIGIN

Lateral supracondylar ridge of the femur above the lateral head of the gastrocnemius

 

INSERTION

Medial aspect of the posterior surface of the calcaneus, medial to the Achilles tendon

 

ACTION

Assists with flexion of the knee. Assist with plantarflexion of the foot at the ankle

 

INNERVATION

Tibial Nerve (S1,2)

 

PRIMARY JOINT

Knee joint

Ankle joint

 

KEY STRENGTH TRAINING EXERCISES

Calf raises

Barbell calf raises

 

NEW STRENGTH TRAINING EXERCISES

Seated calf raises

Calf press on leg press machine

 

COMMON INJURIES

Tear in muscle

Strain