Upper Limb Flashcards
(29 cards)
Pectoralis major: origin
Anterior border of medial 1/3 of clavicle
Anterior aspect of sternum
Coastal cartilages of ribs 1-6
Anterior rectus sheath
Pectoralis major: insertion
Lateral lip of intertubercular sulcus
Pectoralis major: action
Shoulder adduction, internal rotation and flexion
Latissimus dorsi: origin
Spinous process T7-L5
Posterior 1/2 of iliac crest
Ribs 9-12
Inferior angle of scapula
Latissimus dorsi: insertion
Intertubercular sulcus
Latissimus dorsi: action
Shoulder internal rotation, adduction and extension
Teres major: origin
Posterior aspect of the inferior angle of scapula
Teres major: insertion
Medial lip of intertubercular sulcus
Teres major: action
Shoulder extension, adduction and internal rotation
Biceps brachii: origin
Long head - supraglenoid tubercle
Short head - coracoid process
Biceps brachii: insertion
Radial tuberosity
Biceps brachii: action
Elbow flexion, supination
Shoulder flexion
Triceps brachii: origin
Long head - infraglenoid tubercle
Lateral head - posterior humerus, above and lateral to radial groove
Medial head - posterior humerus, below and medial to radial groove
Triceps brachii: insertion
Olecranon
Triceps brachii: action
Elbow and shoulder extension
Trapezius - upper fibres: origin
Nuchal line
Occipital bone
Spinous process of 7th cervical vertebrae
Trapezius - upper fibres: insertion
Lateral 1/3 of clavicle
Acromion
Trapezius - upper fibres: action
Elevation of shoulder girdle
Trapezius - middle fibres: origin
Spinous process of 1st-5th thoracic vertebrae
Trapezius - middle fibres: insertion
Acromion
Superior lip of spine of scapula
Trapezius - middle fibres: action
Retraction of shoulder girdle
Trapezius - lower fibres: origin
Spinous process of 6th-12th thoracic vertebrae
Trapezius - lower fibres: insertion
Acromion
Root of spine of scapula
Trapezius - lower fibres: action
Depression of the shoulder girdle
