Vastus Medialis Muscle
Biceps Femoris Muscle – Long Head
Attachments of Biceps Femoris Muscle Long Head: Origin & Insertion
Origin: (proximal attachments)
a.Ischial tuberosity of os coxa.
Insertion: (distal attachments)
a. Head of fibula and lateral condyle of tibia.
Learn the anatomy of the biceps femoris faster and more efficiently with these 3d muscle anatomy videos.
Actions of Biceps Femoris Muscle Long Head on the leg (tibia & fibula):
a. Flexes leg at knee.
b. Laterally rotates leg at knee when knee is flexed.
c. It also extends thigh at hip.
Nerve to Muscle and its Spinal Segment:
a.Tibial part of sciatic nerve (S1 – S3).