Osteology of the Upper Limb

Question 1

A multi-tasking, mobile appendage that we humans use to engage our surrounding environment, manipulate objects, etc.; Includes elements of the shoulder, arm, forearm, wrist, and hand

Answer 1

Upper limb

Question 2

The ___ is made up of the clavicle and scapula

Answer 2

pectoral girdle

Question 3

What are the anterior muscles of rotator cuff?

Answer 3

subscapularis

Question 4

What are the posterior muscles of rotator cuff?

Answer 4

supraspinatus, infraspinatus, and teres minor

Question 5

The ___ of the humerus articulates with the glenoid of the scapula

Answer 5

head

Question 6

What muscle attaches to the anterior border of the clavicle?

Answer 6

Pectoralis major

Question 7

What muscle attaches to the inferior surface of the clavicle?

Answer 7

Subclavius

Question 8

What muscle attaches to the superior surface of the clavicle?

Answer 8

Trapezius

Question 9

What muscle attaches to the superior surface and anterior border of the clavicle?

Answer 9

Deltoid

Question 10

short head of biceps brachii, coracobrachialis, and pectoralis minor all attach to the ____ of the scapula

Answer 10

coracoid process of scapula

Question 11

The deltoid and trapezius attach to the ___ of the scapula

Answer 11

spine of scapula

Question 12

serratus anterior, rhomboid major, rhomboid minor, levator scapulae (superior angle), and latissimus dorsi (inferior angle)* attach to the ___ of the scapula

Answer 12

medial (vertebral) vertebral border of the scapula

Question 13

The teres minor and major are attached to the ___ of the scapula

Answer 13

Lateral (axillary) border of scapula

Question 14

What muscle is found in the subscapular fossa of scapula?

Answer 14

subscapularis

Question 15

What muscle is found in the supraspinous fossa?

Answer 15

supraspinous

Question 16

What muscle is found in the infraspinous fossa?

Answer 16

infraspinous

Question 17

The ___ of the humerus is for attachment of subscapularis

Answer 17

lesser tubercle

Question 18

The ___ of humerus is for attachment of rest of rotator cuff muscles

Answer 18

greater tubercle

Question 19

The ____ of the humerus is for long tendon of biceps brachii

Answer 19

bicipital groove(intertubercular sulcus)

Question 20

The ____ of the humerus is for attachment of deltoid muscle

Answer 20

deltoid tuberosity

Question 21

The ___ of the humerus provides attachment for coracobrachialis and brachialis muscles

Answer 21

midshaft

Question 22

What 3 muscles of rotator cuff attach to greater tubercle of humerus?

Answer 22

Supraspinatus, infraspinatus, and teres minor

Question 23

What rotator cuff muscle attaches to the lesser tubercle?

Answer 23

Subscapularis

Question 24

Which muscle originates on the anterior aspect of the midshaft of the humerus?

Answer 24

brachialis

Question 25

Which muscle inserts on medial aspect of the midshaft of the humerus?

Answer 25

coracobrachialis

Question 26

The ____ of the humerus provides origin for wrist & finger flexors (common flexor origin)

Answer 26

Medial epicondyle

Question 27

The ___ of the humerus provides origin for wrist and finger extensors (Common Extensor Origin)

Answer 27

Lateral epicondyle

Question 28

Which bone mostly forms the elbow joint?

Answer 28

Ulna

Question 29

The ____ of the humerus articulates with the radius

Answer 29

Capitulum

Question 30

The ____ of the humerus articulates with the ulna

Answer 30

Trochlea

Question 31

Which bone of forearm is on medial side?

Answer 31

Ulna

Question 32

Which bone of the forearm is on distal side (thumb)

Answer 32

Radial

Question 33

The _____ of radius articulates with capitulum of humerus and radial notch on ulna

Answer 33

head of radius

Question 34

The _____ of the radius provides attachment site for biceps brachii tendon

Answer 34

radial tuberosity

Question 35

The ____ of the radius provides attachment sites for pronators and supinators of the forearm, as well as some of the flexors and extensors of the wrist and fingers.

Answer 35

radial shaft

Question 36

The _____ of the radius articulates with the scaphoid & lunate carpal bones (radiocarpal joint)

Answer 36

distal end of radius

Question 37

The _____ of the ulna articulates with trochlea of humerus to form the stable hinge joint of the elbow

Answer 37

trochlear notch(semilunar notch)

Question 38

The ____ of the ulna provides insertion point for brachialis & origin for pronator teres

Answer 38

coronoid process

Question 39

The ____ of the ulna provides insertion for the triceps tendon

Answer 39

olecranon process (“elbow”)

Question 40

The ____ of the ulna provides origin for pronator quadratus and supinator as well as digital extensors

Answer 40

ulnar shaft

Question 41

The _____ of the ulna does not articulate with the carpal bones

Answer 41

distal ulna

Question 42

How many bones (carpals) are there in the wrist?

Answer 42

8

Question 43

How many metacarpals are in the hand?

Answer 43

5

Question 44

How many segments do digits 2-5 have?

Answer 44

3

Question 45

How many segments does digit 1 have?

Answer 45

2

Question 46

How many bones are there in the phalanges?

Answer 46

14

Question 47

What are the bones of the wrist?

Answer 47

Scaphoid) (Lunate) (Triquetrum) (Pisiform) (Hamate)(Capitate) (Trapezoid) (Trapezium)

Question 48

The flexors and extensors of the wrist (“carpi”) have their insertions on _____

Answer 48

carpals

Question 49

The flexors and extensors of the digits (“digiti”) have their insertions on ____

Answer 49

phalanges

Question 50

The intrinsic muscles of the hand mostly originate and insert on _______, but some insert on structures associated with phalanges

Answer 50

metacarpals