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... . Penniform fasciculi converge on one side of certain tendons. Muscles with more fasciculi have greater power but less range of motion than muscles with fewer fasciculi. Compare bipenniform, multipenniform.

... (nerve fiber). The arrangement of fasciculi in a muscle is correlated with the power of the muscle and its range of motion. The patterns of muscular fasciculi are penniform, bipenniform, multipenniform, and radiated. Also called fascicle. fascicular, adj.