Back Shoulder Anatomy
These bones combine to make three sub joints. It stabilizes the shoulder and holds the head of the humerus in the glenoid a shallow cavity in the scapula.
The Superficial Back Muscles Attachments Actions
The latissimus dorsi and teres major on the posterior side extend and adduct the arm towards the vertebrae of the back.
Back shoulder anatomy. The upper arm bone humerus collar bone clavicle and shoulder blade scapula which are held together by bands of connective tissue called ligaments make up the shoulder joints. Shoulder anatomy back view the rotator cuff is an anatomical term given to the group of four muscles and their tendons that act to stabilize the shoulder. It sits at the back of the shoulder over the 2nd 7th ribs and is tilted forwards by an angle of 30.
Anatomy upper back shoulder flashcards on quizlet. The anatomy of the shoulder the shoulder is made up of two joints the acromioclavicular joint and the glenohumeral joint. The acromioclavicular joint is where the acromion part of the shoulder blade scapula and the collar bone clavicle meet.
Working on the pectoral girdle the trapezius rhomboid major and levator scapulae muscles of the back elevate the scapula to shrug the shoulders and move the scapula posteriorly as in reaching back behind the body. 3 these muscles are the supraspinatus infraspinatus teres minor and subscapularis and that hold the head of the humerus in the glenoid cavity during movement. The glenohumeral joint is where the ball humeral head and the socket the glenoid meet.
The posterior deltoid is located on the back of your shoulder. The collection of muscles and tendons in the shoulder is known as the rotator cuff. Shoulder anatomy is formed by the union of three major bones including the humerus scapula and clavicle.
Shoulder anatomy the shoulders are made up of bones cartilage muscles tendons and ligaments. Anatomy upper back shoulder with free interactive flashcards. The rotator cuff is a collection of muscles and tendons that surround the shoulder giving it support and allowing a wide range of motion.
The shoulder has several other important structures. It is encased by 17 muscles which provide control and stabilisation against the thoracic wall the ribcage. Its main function is shoulder extension which is characterized by pulling your upper arms backward and bringing your shoulder blades together.
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