Anterior Muscles Of The Chest Shoulder And Upper Limb
Camila Farah
Found at the part a.
Supraspinatus infraspinatus teres minor subscapularis rotator cuff muscles mnemonic. In this article we shall look at the anatomy of the muscles of the pectoral region their attachments actions and innervation. The muscles of the shoulder support and produce the movements of the shoulder girdle they attach the appendicular skeleton of the upper limb to the axial skeleton of the trunk. The shoulder muscles bridge the transitions from the torso into the head neck area and into the upper extremities of the arms and hands for that reason and because of the dexterity of the shoulder joint itself the musculature of the shoulder is complex ranging from massive prime mover muscles to finer stabilizer and fixator muscles.
10th 12th grade. Start studying lab 21. Deltoid trapezius deep. Figure 23 7 label the deep anterior muscles.
The pectoralis major pectoralis minor serratus anterior and subclavius. It contains four muscles that exert a force on the upper limb. A large fan shaped muscle of the chest. Pulls arm forward and across the chest.
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Is the latissimus dorsi located on the anterior or posterior side of the human body. Rotator cuff sits on the shoulder. Four of them are found on the anterior aspect of the shoulder whereas the rest are located on the shoulder s posterior aspect and in the back. Raises ribs in forceful inhalation or pulls scapula forward and downward.
Muscles of the chest shoulder upper limb. Assessments identify the chest shoulder and respiratory muscles shown in figures 23 7 23 8 and 23 9. The pectoral region is located on the anterior chest wall. They all originate from the brachial plexus.
Raises and adducts scapula. Muscles of the shoulder. Muscles of the chest shoulder upper limb draft. The pectoralis minor and pectoralis major are large muscles of the chest that participate in many movements including flexion of the humerus.
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Key facts about the upper extremity. There are 4 muscles of the pectoral region.
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