What is Bipennate?

Adjective. multipennate (not comparable) (anatomy) Of a muscle: having the fibers arranged at multiple angles in relation to the axis of force generation.
: having the fibers arranged obliquely and inserting on both sides into a central tendon The biceps brachii is a bipennate muscle with two heads of origin.— Clifford G.
Examples include the Lumbricals (deep hand muscles) and Extensor Digitorum Longus (wrist and finger extensor) Bipennate: Bipennate muscles have two rows of muscle fibres, facing in opposite diagonal directions, with a central tendon, like a feather. This allows even greater power but less range of motion.
If there are fascicles on both sides of the central tendon, the pennate muscle is called bipennate (Fig. 1B). The rectus femoris, a large muscle in the quadriceps, is typical.

One may also ask, what does Unipennate mean? unipennate. Adjective. (not comparable) (medicine, anatomy, zoology) Of, pertaining to, or having the nature of a muscle, the parallel fibres of which attach to a tendon at an acute angle (as a feather that is barbed on one side).

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Is biceps Brachii a Pennate?

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