What nerve Innervates the top of the thigh?
Femoral Nerve
The femoral nerve is the major nerve that serves the tissues of the thigh and leg, including the muscles and skin. While the much larger sciatic nerve also passes through the thigh on its way to the lower leg and foot, only the femoral nerve innervates the tissues of the thigh.
What does the lateral femoral cutaneous nerve innervate?
They include the lateral femoral cutaneous nerve (L2-L3), posterior femoral cutaneous nerve (S1–S3) and the anterior femoral cutaneous nerves (L2–L4). The main function of these nerves is to provide cutaneous innervation to most of the skin of the thigh, knee, and proximal leg.
Where is the lateral femoral cutaneous nerve?
thigh
The lateral cutaneous nerve of the thigh (also called the lateral femoral cutaneous nerve) is a cutaneous nerve of the thigh. It originates from the dorsal divisions of the second and third lumbar nerves from the lumbar plexus. It passes under the inguinal ligament to reach the thigh.
What is the difference between cauda equina and sciatica?
The causes of Cauda Equina Syndrome are similar to sciatica except that in CES, the compression is being applied to the cauda equina nerves located at the bottom of the spine. It shares some of the same symptoms as sciatica, but there are some big red flags that indicate CES rather than sciatica: Severe back pain.
What is a cauda equina?
The collection of nerves at the end of the spinal cord is known as the cauda equina, due to its resemblance to a horse’s tail. The spinal cord ends at the upper portion of the lumbar (lower back) spine.
What does the posterior femoral cutaneous nerve innervate?
Via its numerous collateral branches, the posterior femoral cutaneous nerve innervates a very extensive territory including the posterior surface of the thigh, the infragluteal fold, the skin over the ischial tuberosity, but also the lateral anal region, scrotum or labium majus via its perineal branch.
What nerve provides cutaneous innervation to the anterior thigh?
The femoral nerve
The femoral nerve is the largest branch of the lumbar plexus. It arises from the posterior cords of the lumbar plexus (L2-L4) and provides motor innervation to the anterior thigh muscles.
What Innervates rectus femoris?
The femoral nerve innervates the quadriceps femoris, a fourth of which is the rectus femoris. When the rectus femoris receives the signal that has traveled all the way from the medial side of the precentral gyrus, it contracts, extending the knee and flexing the thigh at the hip.
What nerve Innervates the gracilis?
the obturator nerve
The gracilis muscles is innervated by the anterior branch of the obturator nerve (L2-L4). The anterior branch of the obturator nerve also innervates the adductor longus, and sometimes adductor brevis.
What Innervates lateral femoral cutaneous nerve?
Branches and innervation The posterior branch innervates the skin of the lateral aspect of the greater trochanter to the mid-thigh region and sometimes the gluteal region as well.