antagonistic muscles

pairs of muscles (or muscle groups) that oppose each other in function. For example, the biceps flexes the arm at the elbow, whereas the opposing triceps straightens the arm.

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Psychology term of the day

March 15th 2025

Witzelsucht

n. a type of joking mania (German, literally: “compulsive wisecracking”), characterized by a morbid desire to tell poor jokes and meaningless stories, that can be a symptom of damage to the frontal lobe of the brain. See also moria.