MUSCLE ID (movement of the upper limb)

• Pectoralis major

  is for: flexion, extension, abduction, and rotation of the arm

  Origin: clavicle, sternum

  insertion: humerus

  
• Deltoid

  is for: flexion, extension, abduction, and rotation of the arm

  origin: clavicle, scapula

  insertion: humerus

  
• coracobrachialis

  is for: flexion and adduction of the arm

  origin: scapula

  insertion: humerus

  
• Latissimus dorsi

  is for: extension, adduction, and rotation of the arm

  origin: vertebrae, iliac

  insertion: humerus

  
• teres major

  is for: extension, adduction, and rotation of the arm

  origin: scapula

  insertion: humerus

  
• supraspinatus

  is for: stabilizing the glenohumural joint just like the infraspinatus, teres minor, and subscapularis

  Origin: scapula

  insertion: humerus

  
• infraspinatus

  is for: stabilizing the glenohumural joint

  origin: scapula

  insertion: humerus

  
• teres minor

  is for: stabilizing the glenohumural joint

  origin: scapula

  insertion: humerus

  
• subscapularis (anteriorly located)

  is for: stabilizing the glenohumural joint

  origin: scapula

  insertion: humerus

  
• Trapezius

  is for: elevation of scapula

  origin: occipital bone, thoracic vertebrae

  insertion: scapula, clavicle

  
• levator scapulae

  is for: elevating the scapula

  origin: vertebrae

  insertion: scapula

  
• rhomboid major

  is for: retraction of the arm

  origin: vertebrae

  insertion: scapula

  
• rhomboid minor

  is for: retraction of the arm

  origin: vertebrae

  insertion: scapula

  
• pectoralis minor

  is for: protraction of the arm

  origin: rib

  insertion: scapula

  
• serratus anterior

  is for: protraction of the arm

  origin: rib

  insertion: scapula