hamstring

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hamstring

 [ham´string]
one of the tendons that laterally and medially bound the depression in the popliteal fossa (posterior region of the knee).
The inner and outer hamstrings.
inner h's the tendons of the gracilis, sartorius, and two other muscles of the lower limb (see anatomic Table of Muscles in the Appendices).
outer hamstring the tendon of the biceps muscle of the thigh (see anatomic Table of Muscles in the Appendices).

ham·string

, medial hamstringlateral hamstring (ham'string),
1. One of the tendons bounding the popliteal space on either side; the medial hamstring comprises the tendons of the semimembranosus and semitendinosus muscles; the lateral hamstring is the tendon of the biceps femoris muscle. Hamstring muscles (a) have origin from the ischial tuberosity, (b) act across (at) both the hip and knee joints (producing extension and flexion, respectively), and (c) are innervated by the tibial portion of the sciatic nerve. The medial hamstring contributes to medial rotation of the leg at the flexed knee joint, whereas the lateral hamstring contributes to lateral rotation.
2. In domestic animals, the combined tendons of the superficial digital flexor, triceps surae, biceps femoris, and semitendinosus muscles, that are referred to as the common calcanean tendon (tendo calcaneus communis); it is attached to the tuber calcis of the hock.

hamstring

/ham·string/ (ham´string) one of the tendons bounding the popliteal space laterally and medially.
inner hamstring  the tendons of gracilis, sartorius, and two other muscles of the leg.
outer hamstring  tendon of biceps flexor femoris.

hamstring

(hăm′strĭng′)
n.
1. Any of the tendons at the rear hollow of the human knee.
2. or hamstrings The hamstring muscle.
3. The large tendon in the back of the hock of a quadruped.
The muscles of the posterior thigh, which consist of biceps femoris—laterally, and the semitendinosus and semimembranosus muscles—medially

ham·string

(ham'string)
One of the tendons bounding the popliteal space on either side; the medial hamstring comprises the tendons of the semimembranosus, semitendinosus, gracilis, and sartorius muscles; the lateral hamstring is the tendon of the biceps femoris muscle. Hamstring muscles (a) have origin from the ischial tuberosity, (b) act across (at) both the hip and knee joints (producing extension and flexion, respectively), and (c) are innervated by the tibial portion of the sciatic nerve. The medial hamstring contributes to medial rotation of the leg at the flexed knee joint, whereas the lateral hamstring contributes to lateral rotation.

hamstring

1. the two tendons behind the knee or stifle and their associated muscles (biceps femoris, semitendinosus and semimembranosus).
2. the Achilles tendon. A hamstrung animal has this tendon ruptured.
References in periodicals archive ?
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Singer and his ``X2: X-Men United'' writers Michael Dougherty and Dan Harris wring most of the movie's poignant moments from the generational torch-passing theme when they're not having Lex Luthor (a hammy Kevin Spacey) doing a Roman soldier number on Superman or taking a page from the ``Passion of the Christ'' Crucifixion handbook or staging their own version of the Gospels' empty tomb story.
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DR TERRIBLE: Sending up the Hammer House of Horrors is not an easy task given that the original 70s films creaked with creepy cliches, groaned with hammy acting and were more likely to have us screaming with laughter than with fear.
On a visit to a Honolulu restaurant, a hammy bartender "served me a drink he called an aphrodisiac," recalls Hauser.
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