This is an unsaid truth - if you have decorated chest and buffed biceps with a combination of narrow or comparatively lesser built shoulder, you are likely to be judged weak on the whole. Not just for looks, brawny built shoulders also helps in almost every other exercise, like pull-ups, deadlifts, bench press and so on so forth. So, Sportskeeda, further, explains the prime muscles of the shoulder and will guide you with proper workouts to build them.
The anatomy of the shoulder is basically divided into two categories - Deltoids and Rotator cuff muscles.
Deltoids
They form the rounded contour of our shoulder and are seen when we roll up our t-shirt sleeve or wear a wife beater. They are supplied blood by the posterior circumflex humeral artery and axillary artery.
They are further subcategorized in three discrete sets, the lateral end of the clavicle or anterior D’s, the acromion of the scapula or lateral D’s, and the spine of the scapula or posterior D’s, with the role of shoulder flexion, abduction and extension respectively.
Flexion of the posterior fibers laterally rotates the arm by pulling the humerus toward the spine of the scapula. An abduction of the arm results in the arm moving away from the body, as in reaching out to the side. Extension moves the arm posteriorly, as in reaching backwards or winding up to throw a ball underhand.
In order to train the Deltoid Muscle and to guide the audience in building bigger delts, Sportskeeda will come up with a wide range of articles giving best workout tips which when implemented will give the desired results.
Rotator cuffs
This is a collection of 4 distinct muscles namely- supraspinatus, infraspinatus, teres minor and subscapularis, that are located near ball and socket joint of the shoulder. The muscles arise from the scapula and connect to the head of the humerus, forming a cuff at the glenohumeral joint.
In addition to stabilizing the shoulder, they keep the head of the humerus into the small glenoid fossa of the scapula in order to enlarge the range of motion in the glenohumeral joint and avoid mechanical obstruction. All these muscles are small but they act as important gears in the shoulder functioning and should not be neglected in the upper body workout.
Sportskeeda will ensure to bring in expert articles on the most effective rotator cuff workouts by providing best tips to strengthen them.