Back Muscle
🏋️♂️Your back muscles are a critical component of your overall strength and posture. Let’s dive into the intricate world of these powerful muscles! 🏋️♀️💥 #BackMuscles101” 🔹Latissimus Dorsi (Lats): • Located on the sides of your upper back. • Responsible for shoulder extension, adduction, and internal rotation. 🔹Trapezius (Traps): • Covers the upper back and neck area. • Divided into upper, middle, and lower portions. • Helps with shoulder and neck movements. 🔹Erector Spinae: • Run along your spine. • Responsible for spine extension and lateral flexion. • Important for maintaining an upright posture. 🔹Rhomboids: • Sit between your shoulder blades. • Aid in scapular retraction and stability. 🔹Deltoids (Posterior): • Part of your shoulder muscles. • Con
The serratus anterior is a muscle located on the lateral part of the thorax, extending from the upper ribs to the scapula (shoulder blade). Origin: The muscle originates from the upper eight or nine ribs. Insertion: It inserts along the anterior length of the medial border of the scapula. Actions: - it moves the shoulder girdle forward at the acromioclavicular and sternoclavicular joints; - it rotates the shoulder girdle upward at these joints; - it aids in stabilising the scapula agai...
Origin, Insertion and Function ... Brachialis: - Origin: Anterior surface of the humerus. - Insertion: Coronoid process and tuberosity of the ulna. - Function: Flexes the elbow. Long Head of Biceps Brachii: - Origin: Supraglenoid tubercle of the scapula. - Insertion: Radial tuberosity and bicipital aponeurosis. - Function: Flexes the elbow and shoulder; supinates the forearm. Short Head of Biceps Brachii: - Origin: Coracoid process of the scapula. - Insertion: Radial tubero...
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