Unlock the secrets to building stronger, more defined pecs. This guide covers the best exercises and a deep dive into the anatomy of your chest muscles for optimal growth.

This study evaluates muscle activity levels during various extensions exercises in patients with low back pain.

Chest muscles anatomy. The chest is made up of 4 muscles: Pectoralis major: The largest of the chest muscles that lies under the breast bone and assists in the bending, ...

Pro tip: Squeeze chest muscles as you bring elbows together. Advertisement - Continue Reading Below. 11 ... Why it rocks: This exercise hones in on the chest muscles and works the posterior chain.

Pectoralis minor - a muscle in the anterior chest wall that is overlaid by the pectoralis major. Coracobrachialis ... Axilla - Anatomy. News-Medical, viewed 14 June 2025, ...

Background Back extension exercises are often used in the rehabilitation of low back pain. However, at present it is not clear how the posterior muscles are recruited during different types of ...