Century Dictionary and Cyclopedia
- n. In anatomy, an opponent muscle of the hand or foot of man and some anthropoid apes, lying on the inner or outer side of the hand or foot. It tends to oppose one of the lateral digits to other digits, making a hollow of the palm or sole.
“One of the most important of these motions is that of the thumb as placed in opposition to the fingers, and effected by a muscle termed opponens pollicis.”
“The same is the case with the apes, except that the Orang-utan has a small "opponens" attached to the great toe.”
“An "opponens" muscle is one which passes from the bones of the wrist to one or other of the bones of the middle of the hand called metacarpals, and the opponens pollicis passes of course, as its name implies, to the metacarpal of the pollex or thumb.”
“Though the foot of man is furnished with many muscles, like the hand, yet not one of the toes is provided with an "opponens" or muscle, passing from the bones of the ankle to one or other of the bones of the middle of the foot, which latter are called metatarsals.”
“A child who sits in front of video games and only works out his opponens pollicis muscles† is going to be in far worse shape than the kid who plays tag, jumps all over the playground, creates a jungle gym out of couch pillows, and is enrolled in the local gymnastics class.”
“Claiming emotionalism for opponens, and declaring rationalism as a partisan attribute ends up demonizes opponents for irrational arguments; this is false.”
“The same condition obtains in the apes, though in them the opponens of the thumb is smaller and weaker than in man.”
“In addition to very numerous other muscles on both surfaces, every one of the toes is provided with a separate opponens muscle, each having a muscle which passes from the bones of the ankle to its middle foot bone or metatarsal.”
“No other finger of man's hand is furnished with such a muscle except the little finger, which possesses an opponens minimi digit, passing from the wrist to the fifth metacarpal.”
“After winning the opening set in 27 minutes, the 2004 US Open champion suddenly lost her nerve, allowing her Chinese opponens to break in the fourth game for a 4-1 lead.”
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