Arterial blood supply of upper limb

💪 Neck and Upper Back: The Layers of Muscle That Support Movement 💪 The muscles of the neck and upper back are divided into layers, each with a distinct function: Superficial Layer: Includes the trapezius and sternocleidomastoid, responsible for head and shoulder movements. Intermediate Layer: Includes muscles like the levator scapulae and rhomboids, which support neck and shoulder mechanics. Deep Layer: Comprises muscles like the semispinalis and splenius capitis, essential for head posture a

10 Minute Upper Body Workout