10 Muscle Origin/Insertion

Question 1

Trapezius

Answer 1

O:Occipital bone (protuberance) I:Clavicle

ALSO

O:Vertebrae (cervical and thoracic) I:Scapula (Spine and acromion)

Question 2

Latissimus Dorsi

Answer 2

O: Vertebrae (spines of the lower thoracic, lumbar, and sacral) / Ilium (crest) / Lumbodorsal Fascia

I: Humerus (intertubercular groove)

Question 3

Biceps Brachii

Answer 3

O: Scapula (supraglenoid tuberosity) / Scapula (coracoid)

I: Radius (tuberosity at the proximal end)

Question 4

Triceps Brachii

Answer 4

O: Scapula (infraglenoid tuberosity) /Humerus (posterior surface-lateral head above the radial groove; medial head below)

I: Ulna (olecranon)

Question 5

Deltoid

Answer 5

O: clavicle / Scapula (spine and acromion)

I: Humerus (lateral side about halfway down-deltoid tubercle)

Question 6

Sternocleidomastoid

Answer 6

O: Sternum / Clavicle

I:Temporal bone (mastoid process)

Question 7

Rhomboid Major

Answer 7

O: T1-T4

I: Scapula (medial border)

Question 8

Rhomboid Minor

Answer 8

O: C6-C7

I: Scapula (medial border)

Question 9

Teres Major

Answer 9

O:Scapula (lower part, axillary border)

I:Humerus (upper part , anterior surface)

Question 10

Teres Minor

Answer 10

O: Scapula (axillary border)

I:Humerus (greater tubercle)