
08/13/2025
The shoulder and arm contain over a dozen key muscles that work together for mobility and stability. ๐ฆด๐ช
๐น Deltoid โ lifts and rotates the arm
๐น Biceps brachii โ flexes the elbow and supinates the forearm
๐น Triceps brachii โ extends the elbow
๐น Rotator cuff โ stabilizes the shoulder joint
๐น Brachialis โ primary elbow flexor
Understanding their origin, insertion, and function is essential for effective massage therapy and injury prevention.