Latissimus Dorsi Muscle Anatomy

The latissimus dorsi muscle is involved in several movements of the upper limbs as well as movement at the lumbar spine and it also plays a role as an accessory muscle of inspiration. The latissimus dorsi is the largest muscle in the upper body and the widest muscle in the entire body.

3d Rendered Medically Accurate Illustration Of The Equine

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

Latissimus dorsi muscle anatomy. The latissimus dorsi the lats is definitely the widest muscle in the human body and also the largest and most powerful muscle in the back. Latissimus dorsi translates literally from the latin has the broadest muscle of the back which reflects its large flat structure. It works together with the muscles of the back and supports them during the lateral flexion of the lumbar spine.

It also causes the downward rotation of the scapulae during a pull up movement. 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. It functions to stabilize your back while extending your shouldersthe latissimus dorsi muscle is often called the lats or the latissimus for short.

This muscle serves for the extension addution flexion and internal rotation of the shoulder joint. The latissimus dorsi muscle is a large triangularly shaped back muscle that helps you do things like pull ups swimming and even breathing.

Latissimus Dorsi Muscle The Swimmer S Muscle