Muscle Anatomy: Upper Body

These flashcards cover the origins, insertions, and actions of various upper body muscles relevant to the exam.

Rhomboid minor and major Origin

spinous processes of thoracic vertebrae

Rhomboid minor and major Action

adduction and elevation of the scapula

Rhomboid minor and major Insertion

Information on the insertion of Rhomboid minor and major is not available in the provided notes.

Pectoralis minor Origin

ribs

Pectoralis minor Action

depression, abduction, and protraction of the scapula

Pectoralis minor Insertion

Information on the insertion of Pectoralis minor is not available in the provided notes.

Trapezius Origin

external occipital protuberance & spinous processes of cervical and thoracic vertebrae

Trapezius Action

elevate, retract, adduct, depress, and rotate scapula

Trapezius Insertion

Information on the insertion of Trapezius is not available in the provided notes.

Pectoralis major Origin

ribs, sternum, and clavicle

Pectoralis major Action

flexion, medial rotation, and adduction of the shoulder

Pectoralis major Insertion

Information on the insertion of Pectoralis major is not available in the provided notes.

Latissimus dorsi Origin

spinous processes of thoracic and lumbar vertebrae, sacrum, iliac crest

Latissimus dorsi Action

extension, adduction, and medial rotation of the shoulder

Latissimus dorsi Insertion

Information on the insertion of Latissimus dorsi is not available in the provided notes.

Teres major Origin

inferior angle of scapula

Teres major Action

medial rotation of the shoulder

Teres major Insertion

Information on the insertion of Teres major is not available in the provided notes.

Teres minor Origin

lateral border of scapula