Group 1
Concentrically accelerates spinal extension, rotation, and lateral flexion
Superficial Erector Spinae
Concentrically produces scapular retraction and downward rotation
Rhomboid Major
Concentrically accelerates shoulder flexion (clavicular fibers), horizontal adduction, and internal rotation
Pectoralis Major
Concentrically accelerates shoulder internal rotation, adduction, and extension
teres Major
Concentrically accelerates elbow flexion, supination of the radioulnar joint, and shoulder flexion
Biceps Brachii
Spinal Lateral Flexion
Quadratus Lumborum
Concentrically produces scapular retraction and downward rotation
Rhomboid Minor
Concentrically protracts the scapula
Pectoris Minor
Concentrically accelerates shoulder external rotation
Teres Minor
Concentrically accelerates elbow extension and shoulder extension
Triceps Brachii
Concentrically accelerates spinal extension and contralateral rotation
Multifidus
Concentrically accelerates scapular depression
Lower Trapezius
Concentrically accelerates shoulder flexion and internal rotation
Anterior Deltoid
Concentrically accelerates shoulder external rotation
Infraspinatus
Concentrically accelerates elbow flexion
Brachioradialis
Concentrically accelerates shoulder extension, adduction, and internal rotation
Latissimus Dorsi
Concentrically accelerates scapular retraction
Middle Trapezius
Concentrically accelerates shoulder abduction
Medial Deltoid
Concentrically accelerates shoulder internal rotation
Subscapularis
Concentrically accelerates elbow flexion
Brachialis
Concentrically accelerates scapular protraction
Serratus Anterior
Concentrically accelerates cervical extension, lateral flexion, and rotation, concentrically accelerates scapular elevation
Upper Trapezius
Concentrically accelerates shoulder extension and external rotation
Posterior Deltoid
Concentrically accelerates abduction of the arm
Supraspinatus
FREE
FREE