
What is the posterior side of the thigh?
The posterior thigh is composed of three muscles: biceps femoris long and short head, semitendinosus, and semimembranosus. These three muscles are collectively referred to as the hamstring muscles.
Where is the right posterior thigh?
1:033:27Overview of the posterior thigh muscles - Human Anatomy | KenhubYouTubeStart of suggested clipEnd of suggested clipSide of your pelvis.MoreSide of your pelvis.
What is the posterior part of the leg?
calfThe posterior compartment of the leg (often referred to as the "calf") further divides into distinct superficial and deep compartments by the transverse intermuscular septum. The larger, superficial compartment of the lower leg contains the gastrocnemius, soleus (GS) and plantaris muscles.
Where is the anterior thigh located?
1:034:53Anterior thigh muscles - YouTubeYouTubeStart of suggested clipEnd of suggested clipMeans straight and it's this big straight muscle on the front of the femur. It arises from theMoreMeans straight and it's this big straight muscle on the front of the femur. It arises from the anterior inferior iliac spine it's also the only one of the quads that will cross the hip joint.
What is the medical term for back of thigh?
Hamstrings are a group of three muscles: semitendinosus, semimembranosus and biceps femoris. They run down the back of the thigh, from the hip to just below the knee.
What does pain in the back of the thigh mean?
More commonly, nerve-related thigh pain is due to compression or inflammation of the sciatic nerve or lateral femoral cutaneous nerve. When the sciatic nerve becomes irritated, you may feel burning or shooting pain down the back of the thigh.
What is posterior in medical terms?
(pos-TEER-ee-er) In human anatomy, has to do with the back of a structure, or a structure found toward the back of the body.
What is the part of the leg below the knee called?
The leg from the knee to the ankle is called the crus or cnemis /ˈniːmɪs/. The calf is the back portion, and the tibia or shinbone together with the smaller fibula make up the front of the lower leg.
Which are the three parts of the leg?
The human leg, in the common word sense, is the entire lower limb of the human body. This includes the foot, thigh and even the hip or gluteal region.
What is the top part of your thigh called?
The quadriceps are four muscles located on the front of the thigh. They allow the knees to straighten from a bent position. The four quadriceps are the: vastus lateralis....The three hamstrings are the:semimembranosus.semitendinosus.biceps femoris.
What does anterior thigh mean?
The function of the anterior compartment of the thigh is to extend the leg at the knee joint. Three major muscles (actually, two muscles and one muscle group) comprise the anterior compartment of the thigh — the pectineus, sartorius, and quadriceps femoris.
What part of your leg is the thigh?
The thigh bone, or femur, is the large upper leg bone that connects the lower leg bones (knee joint) to the pelvic bone (hip joint).
What arteries supply the posterior thigh?
Posterior compartment of thighArteryinferior gluteal artery, profunda femoris artery, perforating arteriesNervesciatic nerveIdentifiersLatincompartimentum femoris posterius7 more rows
What muscle is on the posterior side of the lower leg?
The gastrocnemius muscle is one of the main muscles of the lower leg. It gives the calf of the leg its rounded, bulging appearance. The gastrocnemius is on the posterior, or back, side of the leg. It attaches to the femur and the patella above the tibia, in the top of the area.
What is the front of the thigh called?
The quadriceps located at the front of the thigh is responsible for extending the knee and bending the leg. The quadriceps group is made up of four muscles: Rectus Femoris, Vastus Lateralis, Vastus Intermedius and Vastus Medialis. The adductor muscles pull the legs together.
What nerve supplies the posterior thigh compartment?
The sciatic nervePosterior compartment (blue) – Biceps femoris, semimembranous, and semitendinous muscles. The sciatic nerve innervates the posterior compartment. The deep femoral artery supplies the posterior compartment.
What nerves supply the thigh?
Semimembranosus. Semitendinosus. Nerve supply to the thigh comes from various lumbar and sacral nerves via the femoral, obturator, and common peroneal nerves. The tibial and sciatic nerves also supply parts of the thigh. The only bone in the thigh is the femur, which extends from the hip to the knee.
Which muscles help to rotate the thigh?
Muscles in the medial thigh help to bring the thigh toward the midline of the body and rotate it. These muscles are the adductor longus , adductor brevis , adductor magnus , gracilis, and the obturator externus. The hamstrings are three muscles at the back of the thigh that affect hip and knee movement. They begin under the gluteus maximus ...
What is the femoral vein?
The femoral vein runs alongside the femoral artery and also has many branches. It takes oxygen-depleted blood from the thigh on a path back toward the heart. Common problems with the thigh are often the result of participation in sports or repetitive movements. These include:
What are the symptoms of a swollen thigh?
Common problems with the thigh are often the result of participation in sports or repetitive movements. These include: 1 Muscle strains (pulls or tears) 2 Muscle cramps 3 Contusions (bruises) 4 Tendonitis (inflammation of a tendon) 5 Sciatica (pain from the sciatic nerve)
Where are the hamstrings located?
The hamstrings are three muscles at the back of the thigh that affect hip and knee movement. They begin under the gluteus maximus behind the hipbone and attach to the tibia at the knee. They are:
What muscles are involved in the knee?
These muscles at the front of the thigh are the major extensors (help to extend the leg straight) of the knee. They are: Vastus lateralis . Vastus medialis. Vastus intermedius. Rectus femoris. These four muscles come together to form a single tendon, which inserts into the patella, or kneecap.
What are the muscles in the posterior compartment of the thigh?
The muscles in the posterior compartment of the thigh are collectively known as the hamstrings . They consist of the biceps femoris, semitendinosus and semimembranosus, which form prominent tendons medially and laterally at the back of the knee. As group, these muscles act to extend at the hip, and flex at the knee.
What nerve innervates the posterior thigh?
They are innervated by the sciatic nerve (L4-S3). In this article, we shall examine the anatomy of the muscles in the posterior thigh - their attachments, innervation and actions. The muscles located within the posterior compartment of the thigh are the biceps femoris, semitendinosus and semimembranosus.
What are the actions of a thigh flexor?
Actions : Flexion of the leg at the knee joint. Extension of thigh at the hip. Medially rotates the thigh at the hip joint and the leg at the knee joint.
How many heads does the biceps femoris have?
Like the biceps brachii in the arm, the biceps femoris muscle has two heads - a long head and a short head.
Where does the semimembranosus attach to?
Attachments: It originates from the ischial tuberosity of the pelvis, and attaches to the medial surface of the tibia. Actions: Flexion of the leg at the knee joint. Extension of thigh at the hip.
Which part of the sciatic nerve innervates the head?
Innervation : Long head innervated by the tibial part of the sciatic nerve, whereas the short head is innervated by the common fibular part of the sciatic nerve. Semitendinosus. The semitendinosus is a largely tendinous muscle. It lies medially to the biceps femoris, and covers the majority of the semimembranosus.
Which muscle is largely tendinous?
The semitendinosus is a largely tendinous muscle. It lies medially to the biceps femoris, and covers the majority of the semimembranosus.
What is the posterior compartment of the thigh?
The posterior compartment of the thigh is one of the fascial compartments that contains the knee flexors and hip extensors known as the hamstring muscles, as well as vascular and nervous elements, particularly the sciatic nerve .
Which artery supplies the posterior compartment of the thigh?
The arteries that supply the posterior compartment of the thigh arise from the inferior gluteal and the perforating branches of the profunda femoris artery, a major collateral branch of the femoral artery and part of the anterior compartment of thigh.
Which nerve innervates the hamstrings?
Innervation. 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 ).
What muscle has a short head and a long head?
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.
What is posterior thigh pain?
Posterior Thigh Pain (Back) Pain at the back of the thigh is known as posterior thigh pain. Here we explain the common, and less common injuries and causes of hamstring/back of the thigh pain.
Where does tendinopathy occur?
Ischioglutealbursitis/tendinopathy. Hamstring tendonitis (or tendinopathy) can occur at the origin of the hamstring muscles, specifically at the ischial tuberosity. Bursitis is inflammation of the small sac of fluid between the tendon and bone. It is often difficult to distinguish between the two. Symptoms include:
Why do my buttocks hurt?
Pain just under the crease of the buttocks. You may have tenderness and thickening of the tendon at the site of pain. Hamstring tendinitis in the buttocks may be caused by overuse. Ischiogluteal bursitis is inflammation of the bursa (small sack of fluid) which sits between the tendon and bone.
Where does hamstring pain come from?
Pain in the hamstring region can actually originate from the lower back, sacroiliac joints or muscles of the buttocks such as the gluteus maximus and piriformis muscle. Symptoms include: Pain at the back of the leg which may be sudden onset gradual. Pain is usually less severe than a hamstring strain although twinges may be felt.
What is pulled hamstring?
It usually occurs from sprint related activities, or when performing high kicks and overstretching the hamstring muscles. Symptoms include:
What nerve supplies the posterior surface of the thigh, the leg, and the gluteal region?
The posterior cutaneous nerve of the thigh supplies the posterior surface of the thigh, the leg, and the gluteal region, as well as the perineum.
What is the nerve in the lower thigh called?
Nerves of the right lower extremity. Posterior view. (Post. fem. cutaneus labeled at upper left.) The posterior cutaneous nerve of the thigh (also called the posterior femoral cu taneous nerve) is a sensory nerve in the thigh. It supplies the skin of the posterior surface of the thigh, leg, buttock, and also the perineum .
What is the FMA for the thigh?
6566. FMA. 45337. Anatomical terms of neuroanatomy. The posterior cutaneous nerve of the thigh (also called the posterior femoral cutaneous nerve) is a sensory nerve in the thigh. It supplies the skin of the posterior surface of the thigh, leg, buttock, and also the perineum .
Where is the posterior cutaneous nerve located?
It arises partly from the dorsal divisions of the S1 and S2, and from the ventral divisions of S2 and S3 sacral spinal nerves. It leaves the pelvis through the greater sciatic foramen below the piriformis muscle .
What is the main part of the back of the leg?
The main part to the back of the thigh and leg consists of numerous filaments derived from both sides of the nerve, and distributed to the skin covering the back and medial side of the thigh, the popliteal fossa, and the upper part of the back of the leg.
Where does the piriformis run?
It then descends beneath the gluteus maximus muscle with the inferior gluteal artery, and runs down the back of the thigh beneath the fascia lata. It runs over the long head of the biceps femoris to the back of the knee.
Where does the bicep femoris run?
It runs over the long head of the biceps femoris to the back of the knee. It then pierces the deep fascia, and accompanies the small saphenous vein to about the middle of the back of the leg. Its terminal branches communicate with the sural nerve .
Why does my posterior thigh hurt?
A compartment syndrome occurring in the posterior thigh is mainly caused due to overuse. This condition causes the muscles in the posterior thigh to swell. As a result of this swelling, there is excessive pressure exerted on the surrounding muscle sheath. This often leads to compression of the nerves and blood vessels. This cuts off the supply of blood to this area causing Posterior Thigh Pain or Pain at the Back of the Thigh.
What to do if you have pain in your posterior thigh?
In case if overuse is the cause of the pain then taking rest and refraining from activities that may aggravate the condition may do the trick in alleviating posterior thigh pain.
Why does my thigh hurt after surgery?
If Posterior Thigh Pain is caused after a surgical procedure which may have caused weakness in the muscles of the thigh then the patient needs to undergo aggressive physical therapy to strengthen the thigh muscles and ultimately get rid of pain at the back of the thigh.
What causes pain in the back of the thigh?
Medical condition like lumbar stenosis is the most common cause of a pinched sciatic nerve resulting in Posterior Thigh Pain or Pain at the Back of the Thigh. Piriformis Syndrome: This is a medical condition in which the piriformis muscle which runs close to the sciatic nerve gets tight or overstretched.
What nerve runs from the lower back to the thighs?
The sciatic nerve is the longest nerve in the body and runs from the low back down the hips and into the thighs. An impingement or inflammation of the sciatic nerve may result in pain beginning in the low back and radiating down the thigh to the lower extremities. This is medically termed as sciatica. This condition is in most cases caused by ...
What muscles are involved in a post thigh pull?
Hamstring Pull: Hamstring muscles are a group of muscles, namely the biceps femoris, semitendinosus, and semimembranosus muscles, located at the back of the thigh and are one of the most common causes for a Posterior Thigh Pain. The function of the hamstring muscles is to allow the knees to bend and also facilitates movement of the thighs.
Why does my thigh hurt?
Posterior Thigh Pain or pain at the back of the thigh may be an uncomfortable condition to deal with. Pain at the back of the thigh may either develop gradually or have a sudden acute onset. Injury and overuse have been presumed to be the most common cause of Posterior Thigh Pain. In some cases, an injury to the back may cause a referred pain ...
Where is the ridge of bone on the posterior surface of the tibia?
a ridge of bone that descends obliquely from lateral to medial on the posterior surface of the tibia
Which bone forms the posteroinferior part of the pelvis?
the "V"-shaped bone that forms the posteroinferior part of the pelvis
What is the greater trochanter?
the greater trochanter is the insertion site of the gluteus medius m., gluteus minimus m., piriformis m. and obturator internus m. (Greek, trochanter = a runner or roller, from trochos, a wheel. Originally used for the head of the femur, which turns like a wheel in its socket.
What is the longest bone in the body?
the lesser sciatic notch is converted to the lesser sciatic foramen by the sacrospinous and sacrotuberous ligaments. femur. (N489,TG3-06,TG3-07) the bone of the thigh. the femur is the longest and strongest bone in the body.
Where is the gluteal tuberosity located?
inserts on the intertrochanteric crest. gluteal tuberosity. a roughened area located on the posterior surface of the femur at the superior end of the lateral lip of the linea aspera.
What is trochanter in anatomy?
it is the insertion site of the common tendon of the psoas major and iliacus mm. (iliopsoas m.) (Greek, trochanter = a runner or roller, from trochos, a wheel. Originally used for the head of the femur, which turns like a wheel in its socket. Eventually it came to mean the bony processes of the femur)
How many phalanges are there in the foot?
the distal two or three bones in the digits of the foot. there are a total of 14 phalanges in the foot; the great toe has two phalanges (proximal and distal) and each of the other four toes has three phalanges (proximal, middle and distal); (Latin, phalanx = line of soldiers) base. the proximal end of the phalanx.
