WebApr 12, 2024 · b Enlarged image of the shoulder showing the anomalous accessory origin of the short head and under developed musculocutaneous nerve ... Thus, this abnormal tendon of the long head, which inserted ahead of the radial tuberosity, could influence the function of the biceps brachii, and it would be fragile in injury as it is long and thin. ... WebInsertion: Deltoid tuberosity of the humerus. Function: Anterior part of the deltoid: flexes and medially rotates arm; Middle partof the deltoid: abducts arm; Posterior part of the deltoid: extends and laterally rotates the arm. Nerve Supply: Axillary nerve (C5 and C6) Deep Muscles. Pectoralis minor;
AP Chapter 8 Flashcards Quizlet
WebSep 4, 2024 · Deltoid tuberosity: This is located on the humerus shaft's lateral side and is the location of the deltoid muscle attachment. Radial groove: The radial groove is an … WebMar 31, 2024 · The deltoid muscle abducts the arm beyond 15 degrees Infraspinatus: Lateral (external) rotation of the shoulder Teres Minor: Lateral (external) rotation of the shoulder During physical examination, … hrsys csc
Deltoid Muscle Action, Origin & Insertion Deltoid Muscle …
WebBoth divisions limit inferior and posterior translation of the humeral head. Helps to support the weight of the resting arm against gravity. Runs laterally from the coracoid process to the humerus, covering the superior … WebAug 11, 2024 · A long, cylindrical shaft (body) composes the middle part of the humerus. It bears a roughened surface on the lateral side, known as the deltoid tuberosity, as the … WebApr 13, 2024 · This is a shoulder abduction-boosting exercise that is utilized to focus on the deltoids. Begin by inclining a bench about 30 to 45 degrees. Lie on your side on the bench, with the target shoulder facing up. Holding a dumbbell, raise it from the side of your body until it is roughly shoulder abducted at 90 degrees. hrsys login