Tight muscles
Biceps femoris+
Biceps femoris
Muscle dictionary- Functions
- Flexes the knee and laterally rotates the flexed leg; the long head also extends the hip
- Origin
- Ischial tuberosity and linea aspera of the femur
- Insertion
- Head of the fibula
Gastrocnemius+
Gastrocnemius
Muscle dictionary
- Functions
- Plantarflexes the ankle and assists knee flexion; contributes strongly to propulsion
- Origin
- Posterior surfaces of the medial and lateral femoral condyles
- Insertion
- Posterior calcaneus through the calcaneal tendon
Weakened muscles
Gastrocnemius+
Gastrocnemius
Muscle dictionary
- Functions
- Plantarflexes the ankle and assists knee flexion; contributes strongly to propulsion
- Origin
- Posterior surfaces of the medial and lateral femoral condyles
- Insertion
- Posterior calcaneus through the calcaneal tendon
Semimembranosus+
Semimembranosus
Muscle dictionary
- Functions
- Extends the hip; flexes the knee; and medially rotates the flexed leg
- Origin
- Ischial tuberosity
- Insertion
- Posterior medial condyle of the tibia
Semitendinosus+
Semitendinosus
Muscle dictionary
- Functions
- Extends the hip; flexes the knee; and medially rotates the flexed leg
- Origin
- Ischial tuberosity
- Insertion
- Medial proximal tibia through the pes anserinus
