Muscles of the back
Muscles of the shoulder
Muscles of the arm
Random 1
Random 2
100
Concentrically accelerates spinal extension, rotation, and lateral flexion
Superficial Erector Spinae: Iliocostalis, Longissimus, and Spinalis
100
Concentrically accelerates shoulder extension and external rotation
Posterior Deltoid
100
Concentrically accelerates elbow flexion
Brachialis
100
Spinal lateral flexion
Quadratus Lumborum
100
Concentrically accelerates shoulder flexion and internal rotation
Anterior Deltoid
200
Concentrically accelerates shoulder extension, adduction, and internal rotation
Latissimus Dorsi
200
Concentrically accelerates shoulder internal rotation, adduction, and extension
Teres Major
200
Concentrically accelerates elbow flexion
200
Concentrically accelerates spinal extension and contralateral rotation
Multifidus
200
Concentrically accelerates scapular depression
Lower Trapezius
300
Concentrically produces scapular retraction and downward rotation
Rhomboid Major
300
Concentrically accelerates shoulder external rotation
Teres Minor
300
Concentrically accelerates elbow flexion, supination of the radioulnar joint, and shoulder flexion
Biceps Brachii
300
Concentrically accelerates scapular protraction
Serratus Anterior
300
Concentrically accelerates shoulder internal rotation
Subscapularis
400
Concentrically produces scapular retraction and downward rotation
Rhomboid Minor
400
Concentrically accelerates shoulder external rotation
Infraspinatus
400
Concentrically accelerates shoulder abduction
Medial Deltoid
400
Concentrically accelerates shoulder flexion (clavicular fibers), horizontal adduction, and internal rotation
Pectoralis Major
400
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500
Concentrically accelerates scapular retraction
Middle Trapezius
500
Supraspinatus
500
Concentrically accelerates elbow extension and shoulder extension
Triceps Brachii
500
Concentrically protracts the scapula
Pectoralis Minor
500
- Concentrically accelerates cervical extension, lateral flexion, and rotation
- Concentrically accelerates scapular elevation
Upper Trapezius