Module 4.2 - Appendicular Skeleton

Question 1

30. True or false: The medial border of the scapula connects directly to the neck of the scapula.

Answer 1

30. False

Question 2

31. True or false: The subscapular fossa is located on the anterior side of the scapula.

Answer 2

31. True

Question 3

What does the appendicular skeleton consist of?

Answer 3

the pectoral(shoulder) girdle, the pelvic girdle, and the attached limbs

Question 4

33. Why is the glenohumeral joint prone to dislocation?

Answer 4

33. The glenoid cavity is very shallow and much smaller than the head of the humerus. The humerus needs to be held to the shallow glenoid cavity by the rotator cuff muscles and other ligaments

Question 5

34. The capitulum articulates with a small portion of the ______________.

Answer 5

34. Radius

Question 6

35. True or false: The lateral epicondyle of the humerus can be palpated on the medial side of the arm at the elbow.

Answer 6

35. False

Question 7

What is the pectoral girdle specialized for?

Answer 7

flexibility and an increased range of motion

Question 8

37. What is the prominent bone that can be palpated in the elbow posteriorly?

Answer 8

37. Ulna

Question 9

38. What structures connects the ulna and radius along their shafts?

Answer 9

38. Interosseous membrane

Question 10

What is the pelvic girdle specialized for?

Answer 10

strength

Question 11

40. Name the four bones of the distal row of carpal bones.

Answer 11

40. The distal row of carpal bones (from lateral to medial) are: trapezium, trapezoid, capitate, and hamate.

Question 12

What does the pectoral girdle consist of?

Answer 12

2 clavicle and 2 scapulae

Question 13

Posterior side of scapula contains …

Answer 13

supraspinatus fossa, infraspinatus fossa, and scapular spine

Question 14

43. Do the carpal bones of the hand articulate with the metacarpals or proximal phalanges?

Answer 14

43. The metacarpals

Question 15

capitulum

Answer 15

of the humerus, articulates with the small portion of the radius

Question 16

trochlea

Answer 16

of the humerus, articulates with the ulna

Question 17

lateral epicondyle

Answer 17

of the humerus can be palpated on the lateral side of the arm at the elbow.

Question 18

olecranon process

Answer 18

of the ulna is the prominent bone that can be palpated in the elbow posteriorly

Question 19

How many bones does the wrist have? And name the distal row and proximal row lateral to medial?

Answer 19

8 bones total: distal row - trapezium, trapezoid, capitate, and hamate; proximal row - scaphoid, lunate, triquetral, and pisiform

Question 20

What bones make up the palm?

Answer 20

5 metacarpal bones

Question 21

acromion process

Answer 21

projects from the scapular spine and connects to the clavicle anteriorly. can be seen from both the posterior and anterior views

Question 22

glenoid cavity

Answer 22

located laterally on the neck, where the head of the humerus articulates with the scapula

Question 23

coracoid process

Answer 23

projects anteriorly from the scapula, allowing for muscular attachment

Question 24

medial epicondyle

Answer 24

of the humerus can be palpated on the medial side of the arm at the elbow

Question 25

What does the pelvic girdle consist of?

Answer 25

2 coxal bones aka ossa coxae or innominate bones

Question 26

What makes up the coxal bones?

Answer 26

fusion of the ilium, ischium, and pubis bones

Question 27

ilium

Answer 27

of the coxal bones(pelvis), most superior of the sections and can be palpated on the lateral sides of the hips

Question 28

ischium

Answer 28

of the pelvis, located posteriorly aka the “sits” bones

Question 29

pubis

Answer 29

forms the center anteriorly, connected by the pubic symphysis

Question 30

44. The coxal bones are connected posteriorly to the ________________.

Answer 30

44. The sacrum

Question 31

45. The superior most region on the ilium is called the _______________.

Answer 31

45. Iliac crest

Question 32

46. The ASIS is a bone landmark on what bone?

Answer 32

46. Ilium

Question 33

49. What are the main differences in the male and female pelvic shapes? Why?

Answer 33

49. The pubic arch is wider in females than in males. The pubic brim, also known as the pelvic inlet is shaped more like a circle in males and an oval in females. These differences are to accommodate childbearing.

Question 34

What creates the hip joint?

Answer 34

The head of the femur articulating with the acetabulum

Question 35

femur

Answer 35

longest single bone in the body

Question 36

patella

Answer 36

bone sits anteriorly to the femur, formed within the quadriceps femoris tendon

Question 37

What 2 bones are in the lower leg? Which is larger?

Answer 37

the larger tibia and fibula

Question 38

lateral malleolus

Answer 38

of the fibula, on the lateral side of the ankle

Question 39

54. The medial malleolus of the ankle is a part of what bone?

Answer 39

54. Tibia

Question 40

How many tarsal bones make up the ankle? And what are they?

Answer 40

7 bones: medial cunieform, intermediate cunieform, lateral cunieform, navicular, cuboid, talas, and calcaneous

Question 41

What is the result of the 5 metatarsal bones spaning the heel to the phalanges? And whats the function?

Answer 41

longitudinal arches from the heel to the toes and a transverse arch across the foot. Provide stable, springy base

Question 42

flat feet

Answer 42

condition that is likely to occur if the tissues binding the metatarsals together become weakened

Question 43

Names for the 1st metatarsal?

Answer 43

great toe or hallux