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The hamstrings are innervated by the sciatic nerve, specifically by a main branch of it: the tibial nerve. (The short head of the biceps femoris is innervated by the common fibular nerve). The sciatic nerve runs along the longitudinal axis of the compartment, giving the cited terminal branches close to the superior angle of the popliteal fossa.
However, there is an inhibitory interneuron used to relax the antagonistic hamstring muscle (reciprocal innervation). This test of a basic automatic reflex may be influenced by the patient consciously inhibiting or exaggerating the response; the doctor may use the Jendrassik maneuver in order to ensure a more valid reflex test.
The three 'true' hamstrings cross both the hip and the knee joint and are therefore involved in knee flexion and hip extension. The short head of the biceps femoris crosses only one joint (knee) and is therefore not involved in hip extension. With its divergent origin and innervation, it is sometimes excluded from the 'hamstring ...
The muscle is supplied by the inferior gluteal nerve which arises from the dorsal branches of the ventral rami of the fifth (L5), the first and second sacral nerves. [2]The lumbosacral trunk, which is made up of L5 and a small branch of L4, effectively connects the lumbar and sacral plexuses. [3]
Here's Not Here is the fourth episode of the sixth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on November 1, 2015. The episode was written by Scott M. Gimple and directed by Stephen Williams.
It may originate from the outer end of the inguinal ligament, the notch of the ilium, the ilio-pectineal line or the pubis.. The muscle may be split into two parts, and one part may be inserted into the fascia lata, the femur, the ligament of the patella or the tendon of the semitendinosus.
"Knots Untie" is the eleventh episode of the sixth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on February 28, 2016. The episode was written by Matthew Negrete and Channing Powell, and directed by Michael E. Satrazemis.
Eric Goldman at IGN gave the episode 9.3 out of 10, saying "this was another great episode for The Walking Dead and a strong end to this half of the season. In Season 3, The Walking Dead has turned into a show that is perhaps less grounded and “realistic”—in the midst of its genre scenario—than it once felt, but this is easily the most ...