pectoralis major pain

What is the pectoralis major muscle? It consists of two laminae: Location of Pectoralis Major Muscle Relation of Pectoralis Major Muscle Origin of Pectoralis Major Muscle Insertion of Pectoralis Major Muscle Nerve supply of Pectoralis Major Muscle Blood supply of Pectoralis Major Muscle The action of the Pectoralis Major Muscle Pectoralis major muscle Function The antagonist…