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The biceps femoris (/ ˈ b aɪ s ɛ p s ˈ f ɛ m ər ɪ s /) is a muscle of the thigh located to the posterior, or back. As its name implies, it consists of two heads; the long head is considered part of the hamstring muscle group, while the short head is sometimes excluded from this characterization, as it only causes knee flexion (but not hip extension) [1] and is activated by a separate ...
biceps femoris muscle, which consists of a short head and a long head. semitendinosus muscle; semimembranosus muscle; These muscles (or their tendons) apart from the short head of the biceps femoris, are commonly known as the hamstrings. The depression at the back of the knee, or kneepit is the popliteal fossa, colloquially called the ham. The ...
Biceps femoris: Its long head is supplied by the tibial part of sciatic nerve, whereas the short head is supplied by the common peroneal nerve. This reflects the composite derivation from the flexor and extensor musculature.
The long head of the biceps femoris extends the hip, as when beginning to walk; both short and long heads flex the knee and laterally (outwardly) rotate the lower leg when the knee is bent. The hamstrings play a crucial role in many daily activities such as walking, running, jumping, and controlling some movement in the gluteus.
biceps femoris: Lower limb, Thigh, Posterior compartment/hamstring ischial tuberosity (long head), linea aspera of femur (short head) [11] head of fibula [11] articulating with back of lateral tibial condyle: inferior gluteal artery, perforating arteries, popliteal artery
There are four posterior thigh muscles. The biceps femoris has two heads: The long head has its origin on the ischial tuberosity together with the semitendinosus and acts on two joints. The short head originates from the middle third of the linea aspera on the shaft of the femur and the lateral intermuscular septum of thigh, and acts on only ...
Still, a woman has never served as head of state or government in 115 UN member countries. The first continent with a UN member state to have a female leader after WWII was Asia. In 1960, Sri ...
The common fibular nerve innervates the short head of the biceps femoris muscle via a motor branch that exits close to the gluteal cleft. [2] The remainder of the fibular-innervated muscles are innervated by its branches, the deep fibular nerve and superficial fibular nerve .