quadriceps

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quadriceps

 [kwod´rĭ-seps]
having four heads; see table at muscle.

four-headed muscle

[TA]
having four heads; denoting a muscle of the thigh, quadriceps femoris muscle, and-uncommonly-one of the calf, quadriceps surae muscle, or the combined gastrocnemius (with two heads), soleus, and plantaris, more commonly called triceps surae muscle, the plantaris being counted as a separate muscle.
Synonym(s): quadriceps

quadriceps

/quad·ri·ceps/ (kwod´rĭ-seps) having four heads.

quadriceps

(kwŏd′rĭ-sĕps′)
n.
The large four-part extensor muscle at the front of the thigh.

quad′ri·cip′i·tal (-sĭp′ĭ-tl) adj.

quad·ri·ceps

, pl. quadricepses (kwahd'ri-seps, -ěz)
Having four heads; denoting a muscle of the thigh, quadriceps femoris muscle, and one of the calf, quadriceps surae muscle, or the combined gastrocnemius (with two heads), soleus, and plantaris, more commonly called triceps surae muscle, the plantaris being counted as a separate muscle.
[L. fr. quadri- + caput, head]

Quadriceps, hip flexors, hamstrings

Major muscles in the thigh area which affect knee mechanics.

quadriceps

having four heads; refers to quadriceps muscle. See also Table 13.

quadriceps reflex
see patellar reflex.