TCA - Trunk Muscle Actions

Upward/Lateral rotation of the scapula

Extension of the neck

Internal rotation of the shoulder

Elevation & depression of the scapula

Internal rotation of the shoulder

Adduction of the shoulder

Extension of the shoulder

Flexion of the shoulder

Abduction of the shoulder

Flexion of the shoulder

Horizontal adduction of the shoulder

Adduction of the shoulder

Lateral rotation of the shoulder

Medial rotation of the shoulder

Flexion of the vertebral column

Lateral Rotation

Extension of the vertebral column

Medial Rotation

Extension of the vertebral column

Lateral Flexion

Flexion of the vertebral column

Rotation

Medial hip rotation

Hip flexion

Hip extension

Lateral hip rotation

retracts scapula

extends arm at the shoulder

Elevates ribs if scapula fixed,

protracts scapula

flexes arm at the shoulder