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Semimembranosus: originates from ventral side of tuber ischii and caudal side of sacrosciatic ligament. Inserts into medial epicondyle of femur. Extends the hip joint, adducts the limb. Semitendinosus: originates from transverse processes of 1st and 2nd coccygeal vertebrae and ventral side of tuber ischium.
The biopsy is stained for glycogen, and the intensity of stain uptake in the muscle, as well as the presence of any inclusions, helps to determine the diagnosis of PSSM. This test is the only method for diagnosing Type 2 PSSM. Horses with Type 1 PSSM will usually have between 1.5-2 times the normal levels of glycogen in their skeletal muscle. [10]
The semimembranosus muscle (/ ˌ s ɛ m i ˌ m ɛ m b r ə ˈ n oʊ s ə s /) is the most medial of the three hamstring muscles in the thigh. It is so named because it has a flat tendon of origin. It lies posteromedially in the thigh, deep to the semitendinosus muscle. It extends the hip joint and flexes the knee joint.
Barrel: the body of the horse, [1] [2] enclosing the rib cage and the major internal organs; Buttock: the part of the hindquarters behind the thighs and below the root of the tail; Cannon or cannon bone: the area between the knee or hock and the fetlock joint, sometimes called the "shin" of the horse, though technically it is the third metacarpal
The semitendinosus muscle lies between the other two. These three muscles work collectively to flex the knee and extend the hip. The muscle also helps to medially rotate the tibia on the femur when the knee is flexed and medially rotate the femur when the hip is extended. It counteracts forward bending at the hips as well. [1]
Treatment is initially with supportive care. [1] If this is not effective aspiration and steroid injection or surgical removal may be carried out. [1] Around 20% of people have a Baker's cyst. [2] [3] They occur most commonly in those 35 to 70 years old. [4] It is named after the surgeon who first described it, William Morrant Baker (1838 ...
Skeleton of the lower forelimb. Each forelimb of the horse runs from the scapula or shoulder blade to the third phalanx (coffin or pedal) bones. In between are the humerus (arm), radius (forearm), elbow joint, ulna (elbow), carpus (knee) bones and joint, large metacarpal (cannon), small metacarpal (splint), sesamoid, fetlock joint, first phalanx (long pastern), pastern joint, second phalanx ...
the bursa semimembranosa between the medial collateral ligament and the tendon of the semimembranosus [2] there is one between the tendon of the semimembranosus and the head of the tibia [5] and occasionally there is a bursa between the tendons of the semimembranosus and semitendinosus [5]