Furthermore, it allows dynamic scanning during joint motion and muscle contraction and assists in guiding minimally invasive interventional procedures. A sound knowledge of its anatomy and the use of a proper scanning technique are essential to perform an accurate shoulder examination with ultrasound. ...
This is one of the best shoulder anatomy videos around. Once you have a better understanding of the anatomy of the shoulder then you can start to explore what might be wrong with it. Shoulder Anatomy The shoulder is a very complex structure. This accounts for the reason why the shoulder ca...
Fig. 7.18 Origin and insertion of muscles of shoulder and arm. (From Schuenke M, Schulte E. General Anatomy and the Musculoskeletal System: Thieme Atlas of Anatomy. New York: Thieme; 2005. Illustration by Karl Wesker.)Fig. 7.19 Muscles of the right shoulder and right arm from the anterior...
The biceps brachialis muscle receives blood from the brachial artery, which is the main artery of the arm. It extends from the inferior margin of the pectoralis major muscle to the fold of the elbow, where, at the height of the coronoid process of the ulna, it ends by dividing itself int...
Function: Helps the deltoid muscle to initiate the abduction (sideways raise) of the arm at shoulder Reference:[4] Infraspinatus Infraspinatus lies below the spine on the back side of the scapula and rotates the arm outwards. Origin: Infraspinous fossa of the scapula ...
1) SHOULDER MUSCLES ANATOMY The deltoid muscle is comprised of 3 deltoid heads: the front delt head (anterior deltoid), middle delt head (lateral deltoid) and rear delt head (posterior deltoid). I’ll use my handy Muscle Markers to show you each of the deltoid heads. ...
You’re more at risk for a deltoid injury if you play sports, lift weights, or perform repetitive arm movements. Here are some ways you can avoid injury, then, while also learning how to strengthen the deltoid muscle: Warm up before exercise and stretch afterward. ...
Function: Adduction and medial rotation of the arm Origin: Posterior surface of the scapula at its inferior angle Insertion: Intertubercular groove of the proximal humerus on its medial aspect Innervation: Lower scapular nerve (C5, C6) Supraspinatus (Rotator Cuff) ...
armUpper ArmThe arm, or “upper arm” in common usage, is the region of the upper limb that extends from the shoulder to the elbow joint and connects inferiorly to the forearm through the cubital fossa. It is divided into 2 fascial compartments (anterior and posterior).Arm: Anatomy ...
To get your arms into this position, you need flexibility in the pectoralis major muscle and the front (anterior) part of the deltoid muscle. The pectoralis major connects the front of your upper arm to your collarbone (clavicle) and to the front of your chest (the sternum, rib cartilages...