THE POSTERIOR THIGH MUSCLES
Ischial tuberosity Tendon insertion Tibial L5, part of
Profunda Flexor of
sciatic n, S1, S2
leg at thigh
Lip of linea aspect Head of Fibula Common Peroneal
+ lat inter muscular
part of sciatic N. S2
Ischial Tuberosity Passes downward Tibia part
of sciatic Profunda Flexor
Medial to biceps
sciatic N L5, S1, S2 Femoris
leg on thigh
& post to semi- membranosis. Its tendon passes
behind the knee
curves forward to insert into med. Aspect of bd of fibula
Shares with the gracilis and sartorious.
Lower portion of Ischial Tubercle
on the Tibial part of sciatic N Profunda
Flexor of leg
post aspect of medial Sciatic N. L5, S1, S2 Femoris
The Biceps Femoris,
Semitendinosus, and Semimembranosus are known as the Hamstring Muscles.
They are flexors of the leg and extensors of the thigh.
will be noted that if one cut the Tibial nerve a knee weakness in
flexion will occur but the hamstrings will remain stable.
by Dr. Scott David Neff MSOM MPS-BT DC DABCO CFE FFAAJTS 09-30-2004