The opponens pollicis is a small, triangular muscle in the hand, which functions to oppose the thumb.

The iliacus is a flat, triangular muscle which fills the iliac fossa.

I follow her gaze; they seem merely thin until she tenses one leg and long, triangular muscles spring to view under the coppery skin.

Underneath the pectoralis major is the pectoralis minor, a thin, triangular muscle.

I saw those torn away, too, and the triangular muscles on her back flapped upward like wings.

The trapezius muscles are flat, triangular muscles that are involved in the movement of the shoulder and arms.

The adductor magnus is a large triangular muscle, situated on the medial side of the thigh.

The subclavius is a small triangular muscle, placed between the clavicle and the first rib.

It is a small triangular muscle, usually 1.5 to 2.5 lbs.

The pectoralis minor is a thin, triangular muscle, situated at the upper part of the chest, beneath the pectoralis major in the human body.