Rotator cuff muscles: Anatomy, functions, injury | Kenhub
2023年10月30日 · The main function of the rotator cuff is to stabilize and center the humeral head in the joint socket, the glenoid cavity. In addition, the muscles tighten the joint capsule preventing a pinch during shoulder movements.
Rotator Cuff: Muscles, Tendons, Function & Anatomy - Cleveland Clinic
2023年12月22日 · What is the rotator cuff anatomy? The rotator cuff is made of four shoulder muscles: The supraspinatus lets you rotate and lift your arm. It stretches from the top of your scapula to the upper end of your humerus (its head). The subscapularis lets you hold your arm outstretched, away from your body.
Rotator Cuff Anatomy: Muscles, Function, and Pictures - Healthline
2019年11月26日 · Four muscles and their attached tendons make up the rotator cuff. Each of them aids in a specific motion of your shoulder. All together they help hold your upper arm in place in the shoulder...
Rotator Cuff - Physiopedia
As a group, the rotator cuff muscles are responsible for stabilizing the shoulder joint, by providing the "fine tuning" movements of the head of the humerus within the glenoid fossa. They are deeper muscles and are very active in the neuromuscular control of the shoulder complex during upper extremity movements.
Rotator Cuff: Anatomy, Function, and Treatment - Verywell Health
2023年7月21日 · Your rotator cuff is made up of four muscles: the supraspinatus, infraspinatus, teres minor, and subscapularis. The muscles start on the shoulder blade (scapula) and join as tendons to form a thick covering at the top of the humerus (the bone in the upper arm).
Rotator cuff - Location, Anatomy, Function, Structure
2025年1月15日 · The rotator cuff is a group of four muscles and their associated tendons that stabilize the shoulder joint and facilitate its movements. These muscles include the supraspinatus, infraspinatus, teres minor, and subscapularis, collectively known as the SITS muscles.The rotator cuff is critical for maintaining the alignment of the humeral head within the shallow glenoid …
Rotator Cuff Muscles: Location, Anatomy, Functions, & Diagram
2024年1月27日 · The rotator cuff (RC) is a muscular structure consisting of 4 muscles surrounding the glenohumeral or shoulder joint. These muscles are primarily responsible for stabilizing the shoulder and helping with all its movements. The shoulder is a ball and socket joint.
Anatomy, Rotator Cuff - StatPearls - NCBI Bookshelf
2023年3月27日 · During arm movements, the rotator muscles contract and prevent the sliding of the head of the humerus, allowing full range of motion and providing stability. Additionally, rotator cuff muscles help in the mobility of the shoulder joint by …
Rotator cuff: Anatomy, function, and common injuries - Medical News Today
2022年1月10日 · The rotator cuff is a group of four muscles and tendons that attach the humerus to the scapula. These muscles and tendons surround the shoulder joint like a cuff and provide...
Structure and function of the rotator cuff - Musculoskeletal Key
2021年8月21日 · The rotator cuff consists of four muscle-tendon units: the subscapularis, infraspinatus, supraspinatus, and teres minor ( Fig. 50.1 ). These four muscles have their origins on the body of the scapula, a thin sheet of bone, and insert through their tendons onto the greater and lesser tuberosity of the proximal humerus.
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