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an injury to a muscle, tendon, or ligament, e.g. "I've pulled my hamstring." to carry out a task (esp. milit.) ("to pull guard duty") authority, influence ("He's got pull in that office.") (pull rank) the act of a supervisor exercising authority over a subordinate. pull off (of a vehicle) to start moving to succeed in a task pump (shoe)
A hamstring (/ ˈ h æ m s t r ɪ ŋ /) is any one of the three posterior thigh muscles in human anatomy between the hip and the knee: from medial to lateral, the semimembranosus, semitendinosus and biceps femoris.
In humans, the hamstring extends between the hip and knee joints. The hamstring muscle group is made up of the biceps femoris, semitendinosus muscle, and the semimembranosus. [2] It facilitates both the flexing of the knee and hip extension, [3] making it a vital contributor to normal leg-movement. By severing these muscles or the tendons ...
A muscle that fixes or holds a bone so that the agonist can carry out the intended movement is said to have a neutralizing action. A good famous example of this are the hamstrings; the semitendinosus and semimembranosus muscles perform knee flexion and knee internal rotation whereas the biceps femoris carries out knee flexion and knee external ...
Tyrese Maxey of the 76ers is expected to miss a couple of weeks with a hamstring injury. (AP Photo/Matt Slocum) (ASSOCIATED PRESS) Now they're 1-6 with their only win coming in Game 3, a 118-114 ...
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Bruising due to strained hamstring; horizontal lines show where bandage was. A grade three hamstring strain is a severe injury. There is an immediate burning or stabbing pain and the individual is unable to walk without pain. The muscle is completely torn and there may be a large lump of muscle tissue above a depression where the tear is.
Other muscles, such as the hamstrings, do not display such biases, so their function is not immediately evident from anatomy alone. Another important concept of biarticular muscles (consider the rectus femoris muscle for this example) is the change in muscle length when motion at the proximal and distal ends of the muscle is happening.