Origins and Insertions

Question 1

Trapezius

Answer 1

Origin: Occipital bone (spinous process of C7-T12)
Insertion: Clavicle

Question 2

Latissimus dorsi

Answer 2

Origin: Spinous process T7-T12; ribs 8-12; illiac crest
Insertion: Intertubercular groove of humerus

Question 3

Pectoralis Major

Answer 3

Origin: Medial clavicle; costal cartilage of ribs 2-6; body of sternum
Insertion: intertubercular groove of humerus

Question 4

Pectoralis Minor

Answer 4

Origin: Anterior surface of ribs 3-5
Insertion: Coracoid process of scapula

Question 5

Deltoid

Answer 5

Origin: Acromion & spine of scapula: acromion end of clavicle
Insertion: Deltoid tuberosity of humerus

Question 6

Triceps Brachii

Answer 6

Origin: Infraglenoid tubercle of scapula
Insertion: Olecranon of ulna

Question 7

Biceps Brachii

Answer 7

Origin: Supraglenoid tubercle of scapula
Insertion: Olecranon of ulna

Question 8

Sartorius

Answer 8

Origin: anterior superior Iliac Spine
Insertion: tibial tuberosity (medial)

Question 9

Rectus Femoris

Answer 9

Origin: anterior inferior iliac spine
Insertion: tibial tuberosity

Question 10

Gluteus Maximus

Answer 10

Origin: illiac crest; sacrum; coccyx
Insertion: iliotibial tract: linea aspera & gluteal tuberosity of femur

Question 11

Vastus Lateralis

Answer 11

Origin: greater trochanter & linea aspera
Insertion: tibial tuberosity

Question 12

Vastus Medialis

Answer 12

Origin: Linea aspera and intertrochanteric line
Insertion: tibial tuberosity

Question 13

Biceps Femoris

Answer 13

Origin: ischial tuberosity & linea aspera of femur
Insertion: head of fibula

Question 14

Semitendinosus

Answer 14

Origin: ischial tuberosity
Insertion: proximal medial surface of tibia

Question 15

Gastrocnemius

Answer 15

Origin: superior & posterior surfaces of the lateral condyles of femur
Insertion: calcaneus