Shoulder/Arm

Question 1

Origin
Anterior fibres: clavicle
Middle fibres: lateral part of acromion process
Posterior fibres: inferior edge of scapula spine

Insertion
Deltoid tuberosity of humerus

Answer 1

Deltoid

Question 2

Origin
Upper fibres: medial half of the anterior surface of the clavicle
Lower fibres: anterior surface of the costal cartilage of the first 6 ribs and sternum

Insertion
Intertubercle groove of humerus

Answer 2

Pectoralis major

Question 3

Origin
Anterior surface of ribs 3-5

Insertion
Coracoid process of scapula

Answer 3

Pectoralis minor

Question 4

Origin

Posterior crest of the ilium, back of the sacrum and spinous processes of T1-T5, T7-T12 and lower 3 ribs

Insertion

Medial side of the intertubercle groove of humerus

Answer 4

Latissimus dorsi

Question 5

Origin

Short head: coracoid process of the scapula and upper lip of glenoid fossa
Long head : supraglenoid tubercle above superior lip of glenoid fossa

Insertion

Tuberosity of the radius and bicipital aponeurosis

Answer 5

Biceps brachii

Question 6

Origin

Posterior surface of C1-C4 TVP’s

Insertion

Superior angle and medial border of scapula above spine

Answer 6

Levator scapula

Question 7

Origin

T2-T5 spinous processes and supraspinous ligament

Insertion

Medial border of scapula below spine

Answer 7

Rhomboid major

Question 8

Origin

Upper fibres: external occipital protuberance and posterior ligaments of neck
Middle fibres: spinous processes of vertebrae C7-T3
Lower fibres: spinous processes of T4-T12

Insertion

Upper: posterior lateral 3rd of clavicle
Middle: medial border of acromion process and upper scapula spine
Lower: triangular space at base of scapular spine

Answer 8

Trapezius

Question 9

Origin

Long head: infraglenoid tubercle below inferior lip of glenoid fossa of scapula
Medial head: distal surface of posterior humerus
Lateral head: upper half of posterior surface of humerus

Insertion

Olecranon process of ulna

Answer 9

Triceps brachii