Health Blog

Muscle of the Month: Hamstrings

by Frankie Wythe on 27 February 2018 14:47

Biceps Femoris

Origin:

Long head– ischial tuberosity

Short head– linea aspera on the posterior surface of the femur

Insertion:

Lateral side of the head of the fibula

Actions:

Knee flexion, hip extension and lateral  rotation

Innervation:

Long head– Tibial portion of the sciatic nerve

Short head– Common fibular portion of the sciatic nerve

 

Semitendinosus

Origin:

Ischial tuberosity

Insertion:

Medial surface of the Tibia

Actions:

Knee flexion, hip extension and lateral rotation

Innervation:

Tibial portion of the sciatic nerve

 

Semimembranosus

Origin:

Ischial tuberosity

Insertion:

Medial Tibial condyle

Actions:

Knee flexion, hip extension and lateral rotation

Innervation:

Tibial portion of the sciatic nerve

 

Author
Frankie Wythe

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