Which muscle powers the downstroke in bird flight?
A)brachioradialis
B)triceps
C)pectoralis
D)supracoracoideus

Question

Quizplus · Accepted Answer

The pectoralis (specifically the pectoralis minor and pectoralis major) is the primary muscle responsible for powering the downstroke in bird flight. The supracoracoideus muscle is responsible for powering the upstroke. The brachioradialis and triceps are not directly involved in bird flight.

Which Muscle Powers the Downstroke in Bird Flight