Latissimus Dorsi Anatomy

Home blog anatomy latissimus dorsi. Latissimus dorsi anatomy in general although not always each end of a muscle attaches to the bone.

The Muscular System Anatomical Chart Human Body Muscle

It acts mainly on the shoulder joint being the prime mover in both shoulder adduction and shoulder extension and a strong synergist in internal rotation.

Latissimus dorsi anatomy. These places of attachment are known as the origin and insertion of a muscle. The latissimus dorsi is responsible for adduction medial rotation and extension of the shoulder similar to the action of the teres major. Functional anatomy guide the latissimus dorsi is the largest muscle in the upper body and the widest muscle in the entire body.

The superficial group of back muscles consists of 5 muscles. The latissimus dorsi is responsible for extension adduction transverse extension also known as horizontal abduction flexion from an extended position and medial internal rotation of the shoulder joint. The pectoralis major is also a synergist muscle.

The latissimus dorsi muscle the lats is the widest muscle in the human body. The latissimus dorsi is the largest muscle in the upper body. Together with the teres major it forms the posterior axillary fold in the armpit where it is the thickest and therefore easy to palpate.

It is relatively thin and covers almost all back muscles at the posterior trunk except the trapezius.

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