SpletUpper Arm Bones. These bones form the connection between the arm and the body trunk. Humerus (2): It is the uppermost bone in the arm, and one of the longest bones in the human body, running from the shoulder to the elbow. The lateral and medial epicondyles are two important landmarks.; Pectoral Girdle (Shoulder). It forms the shoulder and allows us … SpletThe shoulder is one of the largest and most complex joints in the body. The shoulder joint is formed where the humerus (upper arm bone) fits into the scapula (shoulder blade), like a …
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Splet08. avg. 2024 · The shoulder joint, also known as the glenohumeral joint, is a ball and socket joint with the most extensive range of motion in the human body. The shoulder muscles have a wide range of functions, … Splet17. apr. 2024 · Here are the normal ranges of motion for the shoulder: Flexion is moving your arm from the side of your body then forward all the way over your head, normally up to 180 degrees.; Extension is ... gets michael lewis treatment heroic all
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Splet24. mar. 2024 · Fractures may also occur in the following shoulder parts: Clavicle (collar bone): Children commonly break the clavicle during a collision or fall. The three bones of the shoulder are the: 1. Humerus(arm bone) 2. Scapula(shoulder blade) 3. Clavicle (collarbone) The scapula has one part that forms a socket for the ball-and-socket shoulder joint; this is called the glenoid. The glenoid is covered with smooth cartilage. The rounded top of the arm bone (humerus) … Prikaži več There are 17 muscles that cross the shoulder joint. The periscapular muscles help to control the movements of the shoulder blade. This … Prikaži več The shoulder capsule surrounds the ball-and-socket part of the shoulder joint. The capsule separates the joint from the rest of the body and contains the joint fluid. Several ligaments make up parts of the joint capsule, and … Prikaži več The labrum is a rim of cartilage that surrounds the socket of the shoulder joint. The socket of the shoulder joint is shallow, and the labrum gives the socket more depth, and thus more stability. The labrum also serves as the … Prikaži več Splet16. jul. 2024 · On the anterior side of the shoulder, the coracobrachialis, serratus anterior, pectoralis major, and pectoralis minor muscles work as a group to flex and adduct the scapula and humerus anteriorly toward the sternum. The latissimus dorsi and teres major on the posterior side extend and adduct the arm towards the vertebrae of the back. christmas worksheets for 1st grade