Posterior compartment of thigh
Encyclopedia
The posterior fascial compartment of the thigh contains the knee
flexors and hip extensors.
It consists of the following muscles:
The muscles here (except for the short head of the biceps femoris) are the hamstring
s.
These muscles are mainly innervated by the sciatic nerve.
Knee
The knee joint joins the thigh with the leg and consists of two articulations: one between the fibula and tibia, and one between the femur and patella. It is the largest joint in the human body and is very complicated. The knee is a mobile trocho-ginglymus , which permits flexion and extension as...
flexors and hip extensors.
It consists of the following muscles:
- biceps femorisBiceps femoris muscleThe biceps femoris is a muscle of the posterior thigh. As its name implies, it has two parts, one of which forms part of the hamstrings muscle group.-Origin and insertion:It has two heads of origin;...
- semitendinosusSemitendinosus muscleThe semitendinosus is a muscle in the back of the thigh; it is one of the hamstrings.-Structure:The semitendinosus, remarkable for the great length of its tendon of insertion, is situated at the posterior and medial aspect of the thigh ....
- semimembranosusSemimembranosus muscleThe semimembranosus is a muscle in the back of the thigh. It is the most medial of the three hamstring muscles.-Structure:The semimembranosus, so called from its membranous tendon of origin, is situated at the back and medial side of the thigh....
The muscles here (except for the short head of the biceps femoris) are the hamstring
Hamstring
In human anatomy, the hamstring refers to any one of the three posterior thigh muscles, or to the tendons that make up the borders of the space behind the knee. In modern anatomical contexts, however, they usually refer to the posterior thigh muscles, or the tendons of the semitendinosus, the...
s.
These muscles are mainly innervated by the sciatic nerve.