APPENDICULAR SKELETON (EXAM 1)

Question 1

how does radius and ulna articulates with humerus to form the elbow

Answer 1

Medial and lateral epicondyle: attachment site for ligaments to stabilize the elbow

Question 2

how does humerus and scapula articulate to form shoulder

Answer 2

glenoid cavity

Question 3

how does tibia and fibula and tarsals articulate to form ankle

Answer 3

talus

Question 4

membrane between radius and ulna and between tibia and fibula

Answer 4

Interosseous membrane

Question 5

function of Sternal end (clavicle)

Answer 5

articulates with manubrium of sternum

Question 6

function of Acromial end (clavicle)

Answer 6

articulates with the acromion of scapula

Question 7

function of Conoid tubercle (clavicle)

Answer 7

attachment for shoulder ligaments

Question 8

function of Costal tuberosity (clavicle)

Answer 8

attachment for shoulder ligaments

Question 9

function of Glenoid cavity (scapula)

Answer 9

articulates with head of humerus

Question 10

function of Subscapular fossa (scapula)

Answer 10

attachment for the subscapularis muscle

Question 11

function of Infraspinous fossa (scapula)

Answer 11

attachment for the infraspinatus muscle

Question 12

function of Supraspinous fossa (scapula)

Answer 12

attachment for the supraspinatus muscle

Question 13

function of Coracoid process (scapula)

Answer 13

attachment for biceps brachii muscle

Question 14

function of accordion (scapula)

Answer 14

attachment for trapezius muscle

Question 15

function of spine (scapula)

Answer 15

attachment for deltoid and trapezius muscle

Question 16

function of head (humerus)

Answer 16

articulates with the glenoid cavity of scapula

Question 17

function of greater tubercle (humerus)

Answer 17

attachment for rotator cuff muscles

Question 18

function of lesser tubercle (humerus)

Answer 18

attachment for rotator cuff muscles

Question 19

function of Intertubercular sulcus (humerus)

Answer 19

passageway for biceps brachii tendon; attachment for latissimus dorsi muscle

Question 20

function of Deltoid tuberosity (humerus)

Answer 20

attachment for deltoid muscle

Question 21

function of Trochlea (humerus)

Answer 21

articulates with the ulna bone

Question 22

function of Coronoid fossa (humerus)

Answer 22

receives coronoid process of ulna when elbow is flexed

Question 23

function of Olecranon fossa (humerus)

Answer 23

receives olecranon when elbow is extended

Question 24

function of Capitulum (humerus)

Answer 24

articulates with head of radius

Question 25

function of Radial fossa (humerus)

Answer 25

receives head of radius when elbow is flexed

Question 26

function of Medial and lateral epicondyle (humerus)

Answer 26

attachment for muscles the move the forearm

Question 27

function of Trochlear notch (ulna)

Answer 27

interlocks with trochlea of humerus

Question 28

function of Olecranon (ulna)

Answer 28

attachment for triceps brachii muscle

Question 29

function of Coronoid process (ulna)

Answer 29

attachment for brachialis muscle

Question 30

function of Radial notch (ulna)

Answer 30

receives head of radius

Question 31

function of Head of ulna

Answer 31

joins to distal end of radius

Question 32

function of Ulnar tuberosity (ulna)

Answer 32

attachment for brachialis muscle

Question 33

function of Head of radius (radius)

Answer 33

articulates with capitulum of humerus

Question 34

function of Radial tuberosity (radius)

Answer 34

attachment for biceps brachii muscle

Question 35

function of Styloid process (radius)

Answer 35

stabilize the wrist

Question 36

function of Ulnar notch (radius)

Answer 36

articulates with head of ulna

Question 37

function of Acetabulum (coxal bone)

Answer 37

articulates with head of femur

Question 38

function of head (femur)

Answer 38

articulates with the acetabulum of coxal bone

Question 39

function of greater trochanter (femur)

Answer 39

attachment for gluteus medius and minimus

Question 40

function of lesser trochanter (femur)

Answer 40

attachment for iliopsoas muscle

Question 41

function of gluteal tuberosity (femur)

Answer 41

attachment for the gluteus maximus

Question 42

function of line aspera (femur)

Answer 42

attachment for adductor muscles

Question 43

function of medial and lateral condyles (femur)

Answer 43

articulate with medial and lateral condyles of tibia; sit in the medial and lateral meniscus respectively

Question 44

function of patellar surface (femur)

Answer 44

articulates with the patella

Question 45

function of medial and lateral condyles (tibia)

Answer 45

articulate with the medial and lateral condyle of the femur

Question 46

function of tibial tuberosity (tibia)

Answer 46

attachment of the quadriceps femoris muscle via the patellar ligament

Question 47

function of medial malleolus (tibia)

Answer 47

prevents lateral sliding of tibia across the talus bone of the ankle

Question 48

function of soleal line (tibia)

Answer 48

attachment for soleus muscle

Question 49

function of head of fibula

Answer 49

articulates with tibia

Question 50

function of lateral malleolus (fibula)

Answer 50

prevents medial sliding of tibia across the talus bone of the ankle