chapter 11

Question 1

What are the origin and insertion points of masseter?

Answer 1

Maxila and zygotatic arch; angle and ramus of mandible
role is to elevate mandible

Question 2

What are the origin and insertion points of temporalis?

Answer 2

temporal bone; coronoid process and ramus of mandible
role is to elevate and retract mandible

Question 3

What are the origin and insertion points of sternocleidomastoid?

Answer 3

sternal head (manubrium of sternum, clavicular head, medial third of clavicle); mastoid process of temporal bone, lateral half of superior nuchal line of occipital bone

Question 4

What are the origin and insertion points of rectus abdominus

Answer 4

pubic crest and pubic symphysis; cartilage of ribs 5-7 and xiphoid process

Question 5

What are the insertion points of transverse abdomen

Answer 5

xiphoid process, linea alba, pubis

Question 6

What are the origin and insertion points of serratus anterior

Answer 6

Ribs 1-8/9; vertebral border and inferior angle of scapula

Question 7

What are the origin and insertion points of trapezius

Answer 7

superior nuchal line of occipital bone, ligamentum nuchae, spines of C7-T12; clavicle and acromion and spine of scapula

Question 8

What are the origin and insertion points of levator scapulae

Answer 8

transverse processes of C1-C4; superior vertebral border of scapula

Question 9

What are the origin and insertion points of pectorals major

Answer 9

clavicle, sternum, costal cartilages of ribs 2-6; greater tubercle and lateral lip of inter tubercular sulcus of humerus

Question 10

What are the origin and insertion points of deltoid

Answer 10

acromial extremity of clavicle (anterior), acromion of scapula (lateral), spine of scapula (posterior); deltoid tuberosity

Question 11

What are the origin and insertion points of supraspinatus

Answer 11

suprasinous fossa of scapula; greater tubercle of humerus

Question 12

What are the origin and insertion points of bicips brachii

Answer 12

long head from tubercle about glenoid cavity, short head from coracoid process of scapula; radial tuberosity and bicipital aponeurosis

Question 13

What are the origin and insertion points of triceps brachii

Answer 13

long head from infraglenoid tubercle, lateral head from lateral and posterior surface of humerus, medial head from entire posterior surface; olecranon of ulna

Question 14

What are the origin and insertion points of anconeus

Answer 14

lateral epicondyle of humerus; olecranon and superior portion of shaft of ulna

Question 15

What are the origin and insertion points of flexor carpi radialis

Answer 15

medial epicondyle of humerus; metacarpals 2/3

Question 16

What are the origin and insertion points of flexor carpi ulnaris

Answer 16

medial epicondyle of humerus and superior posterior border of ulna; pisiform, hamate, base of metacarpal 5

Question 17

What are the origin and insertion points of flexor digitorum superficialis

Answer 17

medial epicondyle of humerus, coronoid process of ulna, ridge along lateral margin or anterior surface of radius; middle phalanx of each finger

Question 18

What are the origin and insertion points of extensor digitorum

Answer 18

lateral epicondyle of humerus; distal and middle phalanges of each finger

Question 19

What are the origin and insertion points of extensor carpi ulnaris

Answer 19

lateral epicondyle of humerus and posterior border of ulna; metacarpal 5

Question 20

What are the origin and insertion points of psoas major

Answer 20

transverse processes and bodies of lumbar vertebrae; lesser trochanter of femur

Question 21

What are the origin and insertion points of gluteus maximus

Answer 21

iliac crest, sacrum, coccyx, and aponeurosis of sacrospinalis; iliotibial tract of fascia late and superior lateral part of linea aspera (gluteal tuberosity) under greater trochanter of femur

Question 22

What is the origin point of rectus femoris

Answer 22

anterior inferior iliac spine

Question 23

What is the origin point of vastus lateralis

Answer 23

greater trochanter and linea aspera of femur

Question 24

What is the origin point of vastus medialis

Answer 24

linea aspera of femur

Question 25

What is the origin point of vastus intermedius

Answer 25

anterior and lateral surfaces of body of femur

Question 26

What are the origin and insertion points of biceps femoris

Answer 26

long head arises from ischial tuberosity, short head arises from linea aspera; head of fibula and lateral condyle of tibia

Question 27

What are the origin and insertion points of tibialis anterior

Answer 27

lateral condyle and body of tibia and interosseous membrane; metatarsal 1 and first (medial) cuneiform

Question 28

What are the origin and insertion points of extensor digitorum longus

Answer 28

lateral condyle of tibia, anterior surface of fibula, interosseous membrane; middle and distal phalanges of toes 2-5

Question 29

What are the origin and insertion points of gastrocnemius

Answer 29

lateral and medial condyles of femur and capsule of knee; calcaneus via Achilles tendon

Question 30

What are the origin and insertion points of flexor digitorum longus

Answer 30

middle third of posterior surface of tibia; distal phalanges of toes 2-5