Respuesta :
Answer: Brachalis
Explanation: it flexes at the elbows which is described as ulna !
Brachalis it flexes at the elbows which is described as ulna, The brachialis muscle lies within the distal region of the biceps brachii.
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The brachialis is the muscle that is present in the upper arm of the flexes of the elbow joint.
It lies below biceps brachii. It forms the part of the cubital fossa. It does not cross the elbow joint. It is the prime mover of the flexion of the elbow of the hand.
Thus, Brachalis it flexes at the elbows which is described as ulna.
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