Pectoral Girdle and Upper limbs

Question 1

How many bones comprise the pectoral girdle and what are they

Answer 1

4, scapula and clavicles

Question 2

Glenoid cavity

Answer 2

lateral shallow cavity of the shoulder joint where the humerus fits

Question 3

What does clavicle mean

Answer 3

small key

Question 4

What is the only direct connection between the pectoral girdle and the axial skeleton

Answer 4

the clavicle

Question 5

Epaulettes

Answer 5

descended from ancient segments of armor designed to protect the easily broken clavicle

Question 6

sternoclavicular joint

Answer 6

The articulation of the clavicle to the sternum

Question 7

Acromioclavicular joint (A-C joint)

Answer 7

The articulation of the clavicle with the acromion

Question 8

What does acromion mean

Answer 8

shoulder peak

Question 9

Conoid tubercle

Answer 9

on the inferior surface of the later end of the clavicle

Question 10

What does conoid mean

Answer 10

small cone swelling

Question 11

scapula

Answer 11

broad flat triangular bone positioned on the posterior aspect of the rib cage overlying ribs 2-7

Question 12

Spine of scapula

Answer 12

prominent diagonal bony ridge on the posterior surface of the scapula

Question 13

supraspinous fossa

Answer 13

above the spine of the scapula

Question 14

infraspinous fossa

Answer 14

below the spine of the scapula

Question 15

Acromion

Answer 15

forms the bony tip of the shoulder

Question 16

Coracoid

Answer 16

inferior to the acromion, helps to stabilize the anterior portion of the shoulder joint

Question 17

subscapular fossa

Answer 17

anterior surface of the scapula

Question 18

Subcapularis

Answer 18

large muscle that overlies the subscapular foss

Question 19

Greater tubercle

Answer 19

on the humerus, is positioned laterally and helps form the rounded contour of the shoulder

Question 20

lesser tubercle

Answer 20

smaller than the greater tubercle and located more medially

Question 21

intertubercular groove

Answer 21

in between the two tubercles of the humerus

Question 22

anatomical neck

Answer 22

between the tubercles and the head of the humerus

Question 23

surgical neck

Answer 23

narrowing of the bone immediately distal to the tubercles

Question 24

Deltoid tuberosity

Answer 24

roughened area on the shaft of the humerus along its lateral mid region where the deltoid muscle attaches

Question 25

Capitulum

Answer 25

lateral rounded condyle that articulates with the radius

Question 26

What does capitulum mean

Answer 26

little head

Question 27

trochlea

Answer 27

the medial condyle that articulates with the ulna

Question 28

What does trochlea mean

Answer 28

pulley

Question 29

Ulnar nerve

Answer 29

nerve in the medial epicondyle of the humerus. often called the funny bone

Question 30

radial fossa

Answer 30

accommodates the head of the radius when the elbow is flexed

Question 31

Coronoid fossa

Answer 31

accommodates the coronoid process of the ulna

Question 32

Ulna

Answer 32

medial bone of the antebrachium

Question 33

Radius

Answer 33

lateral bone of the antebrachium

Question 34

What does radius mean

Answer 34

rod or spoke of wheel

Question 35

head of the radius

Answer 35

on the proximal end and articulates with the capitulum of the humerus

Question 36

Radial notch

Answer 36

on the proximal end of the ulna where the radius articulates with the ulna

Question 37

Radial tuberosity

Answer 37

proximal end of the radius where the biceps brachii muscle attaches

Question 38

styloid process of radius

Answer 38

lateral bump on the antebrachium that is confused for a wrist bone

Question 39

What does styloid mean

Answer 39

resembles a pillar or post

Question 40

Ulnar notch

Answer 40

on the distal end of the radius where he ulna articulates with the radius

Question 41

Trochlear notch

Answer 41

interlocks with the trochlea of the humerus to form a firm hinge joint

Question 42

Coronoid process

Answer 42

forms the anterior portion of the trochlear notch and fits into the coronoid fossa of the humerus

Question 43

Olecranon

Answer 43

forms the posterior portion of the trochlear notch and fits into the olecranon fossa of the humerus

Question 44

Head of ulna

Answer 44

on the distal end

Question 45

interosseous membranes

Answer 45

dense regular connective tissue between the ulna and radius; tibia and fibula

Question 46

median nerve

Answer 46

is damaged in crucifixion causing inward contraction of the thumb

Question 47

carpal bones

Answer 47

wrist bones. There are 8

Question 48

pollex

Answer 48

thumb

Question 49

A-C separation

Answer 49

dislocation of clavicle and acromion

Question 50

Lateral epicondylitis

Answer 50

(tennis elbow) strain on the muscles or tendons that attach to the lateral epicondyle

Question 51

Medial epicondylitis

Answer 51

repetitive stress is applied to the medial epicondyle

Question 52

Colles fracture

Answer 52

results on silver fork deformity