Bones of Upper Limb

Question 1

glenohumeral joint

Answer 1

synovial ball and socket

Question 2

the shoulder serves as attachment to

Answer 2

the axial skeleton

Question 3

framework of shoulder composed of

Answer 3

shoulder girdle (clavicle + scapula) and proximal end of humerus (greater tubercle)

Question 4

clavicle is the ___ attachment between ___ and ___

Answer 4

bony attachment between trunk and upper limb

Question 5

clavicle articulates laterally and medial with

Answer 5

Laterally: acromion of scapuLa
Medially: ManubriuM of SternuM & 1st intercotal cartilage

Question 6

anterior view of scapula shape

Answer 6

large, flat triangular bone

Question 7

what are the 3 angles of the scapula (describe them)

Answer 7

superior: hook-like
lateral: strong & thick 4 muscle attachment
medial: sharp and thin

Question 8

what are the 2 surfaces of the scapula

Answer 8

anterior/costal surface (shallow/concave)
posterior

Question 9

what are the 3 processes of the scapula

Answer 9

acromion, spine, and coracoid

Question 10

glenoid cavity is located on ____ view of scapula and articulates with _____ forming _____ joint

Answer 10

gLenoid cavity Located on Lateral view of scapuLa. articulates w/ humeral head forming glenohumeral joint

Question 11

acromion has a _____ projection on what structure

Answer 11

Acromion has Anterolateral projection on spine of scApulA

Question 12

acromion articulates with ____

Answer 12

clavicle

Question 13

posterior surface of scapula divided into 2 fossa which are _____

Answer 13

superior supraspinatus
inferior infraspinatus

Question 14

head of humerus shape & articulates with ____

Answer 14

hemispherical
articulates with glenoid cavity of scapula

Question 15

anatomical neck of humerus

Answer 15

short, narrow constriction immediately distal to humeral head

Question 16

lateral and medial limits of anatomical neck of humerus

Answer 16

lateral: betw. head and greater and lesser tubercles
medial limit: between head and humeral shaft

Question 17

greater and lesser tubercles serve as sites for ____

Answer 17

muscle attachment

Question 18

greater tubercle is ____
lesser tubercle is ____ on humeral head

Answer 18

greater tubercle is lateral (on side) and less tubercle is anterior (on front)

Question 19

what structure separates the greater and lesser tubercles?

Answer 19

intratubercular sulcus aka bicipital groove

Question 20

surgical neck of humeral head lies in ___ plane. what issue does it often face?

Answer 20

horizontal plane
faces fractures due to low bone density