Posterior Thigh Muscles

1

• Biceps femoris (long head)

• Biceps femoris (short head)

• Semimembranosus

• Semitendinosus

2

• Biceps femoris (long head)

• Biceps femoris (short head)

• Semimembranosus

• Semitendinosus

3

• Biceps femoris (long head)

• Biceps femoris (short head)

• Semimembranosus

• Semitendinosus

4

• Biceps femoris (long head)

• Biceps femoris (short head)

• Semimembranosus

• Semitendinosus

What is the origin of 1?

• Ischial tuberosity

• Sacrotuberous ligament

• Lateral lip of the linea aspera in the middle third of the femur

What is the origin of the 2?

• Ischial tuberosity

• Sacrotuberous ligament

• Lateral lip of the linea aspera in the middle third of the femur

What is the origin of 3?

• Ischial tuberosity

• Sacrotuberous ligament

• Lateral lip of the linea aspera in the middle third of the femur

What is the origin of 4?

• Ischial tuberosity

• Sacrotuberous ligament

• Lateral lip of the linea aspera in the middle third of the femur

What is the insertion of 1?

• Head of fibula

• Medial tibial condyle, oblique popliteal ligament, and popliteus fascia

• Medial to the tibial tuberosity in the pes anserinus (along with the tendons of gracilis and sartorius)

What is the insertion of 2?

• Head of fibula

• Medial tibial condyle, oblique popliteal ligament, and popliteus fascia

• Medial to the tibial tuberosity in the pes anserinus (along with the tendons of gracilis and sartorius)