Midterm Study

Question 1

what makes up the pectoral girdle?

Answer 1

the scapula (post) and the clavicle (ant)

Question 2

lateral end of the clavicle is also known as the ___ end

Answer 2

acromial

Question 3

AC joint is located where

Answer 3

lateral end of the clavicle

Question 4

at the acromial end of the clavicle is what joint

Answer 4

acromioclavicle

Question 5

medial end of the clavicle, also known as the ___ end

Answer 5

sternal

Question 6

where is the SC joint located?

Answer 6

the sternal end of the clavicle

Question 7

at the medial end of the clavicle is what joint

Answer 7

sternoclavicular

Question 8

between the medial/lateral curves of the clavicle, which is concave and which is convex?

Answer 8

medial is convex, lateral is concave

Question 9

what are the two main articulations of the scapula

Answer 9

at the glenohumeral joint, and at the acromioclavicular joint

Question 10

where is the scapula? (common name)

Answer 10

shoulder blade

Question 11

where is the glenohumeral joint

Answer 11

between the glenoid fossa of the scapula and the head of the humerus

Question 12

where is the acromioclavicular joint

Answer 12

between the acromion of the scapula and the clavicle

Question 13

the ridge of the posterior scapula is called what

Answer 13

the spine

Question 14

where is the coracoid process

Answer 14

a protrusion on the anterior side of the scapula

Question 15

what is the proper name for the socket of the shoulder joint?

Answer 15

the glenoid cavity

Question 16

what bone sits in the glenoid cavity?

Answer 16

the humerus

Question 17

what two bones make up the glenoid cavity?

Answer 17

the acromion and the coracoid process

Question 18

what are the 3 borders of the scapula?

Answer 18

superior, ;ateral/axillary, medial/vertebral

Question 19

what are the 3 angles of the scapula?

Answer 19

superior, lateral (glenoid fossa), inferior

Question 20

definition of a glenoid

Answer 20

a relatively shallow dish shape in a bone, especially in the scapula

Question 21

where is the subscapular fossa?

Answer 21

a landmark on the deep side of the scapula

Question 22

where is the supraspinous fossa

Answer 22

a amooth concavity above the spine on the dorsal surface of the scapula

Question 23

the supraspinous fossa is relevant because

Answer 23

it is the origin of the supraspinatus muscle

Question 24

the subscapular fossa is significant because

Answer 24

it is the origin of the subscapularis muscle

Question 25

where is the infraspinous fossa

Answer 25

on the posterior scapula\

Question 26

the spine of the scapula separates:

Answer 26

the suoraspinous and infraspinous fossae

Question 27

Does the pectoral girdle articulate with the vertebral column?

Answer 27

NO!

Question 28

what is the function of the pectoral girdle

Answer 28

to transmit mechanical force from upper limb to trunk

Question 29

how many bones are in the upper limb? include breakdown

Answer 29

30 bones: humerus, ulna, radius, 8 carpals, 5 metacarpals, and 14 phalanges

Question 29

where is the head of the humerus

Answer 29

it is attached o the body at the promixal end

Question 29

what is the difference between the anatomical neck and the surgical neck?

Answer 29

the anatomical neck is the portion just below the head, the surgical neck is the neck as it continues along the humerous body

Question 30

where are the greater and lesser tubercles

Answer 30

the greater tubercle is lateral to the head at the proximal end. the lesser tubercle is inferior to the head, on the anterior part of the humerus

Question 30

the deltoid tuberosity is where

Answer 30

it is a rough triangular area on the aterolateral surface of the middle of the humerus

Question 31

what groove separates the greater and lesser tubercles of the humerus

Answer 31

the intertubercular groove (bicipital groove)

Question 32

what are the two indentations in the humerus

Answer 32

the radial fossa and the coronoid fossa

Question 33

where is the radius and the ulna

Answer 33

in anatomical position, the ulna is located medially and the radius is located laterally

Question 34

what articulated with the proximal radius

Answer 34

the capitulum

Question 35

what articulates with the proximal ulna

Answer 35

the trochea

Question 36

where is the olecranon fossa

Answer 36

a large indentation on the poterior, distal region of the humerus

Question 37

what is the function of the olecranon fossa

Answer 37

to allow room for the olecranon (elbow) of the ulna when the arm is straight, but prevents hyperextension

Question 38

the processes that are felt at the elbow (distal humerus) are called

Answer 38

the medial and lateral epicondyles