Anatomy: Arm

Front 1

Important parts of the humerus (see Gray's); test with NetAnatomy

Back 1

Capitulum, Spiral groove, trochlea, Medial and lateral epicondyles, Coronoid Fossa, Olecranon Fossa (on the posterior);

Front 2

The ____ nerve is the major nerve of the upper limb most at risk of injury by a ftracture of the midshaft of the humerus

Back 2

Radial

Front 3

The ___ is the major nerve of the upper limb at risk of injury by a fracture of the medial epicondyle of the humerus

Back 3

Ulnar

Front 4

Parts to identify on the radius (Grays and NetAnatmoy)

Back 4

Head, neck, styloid process, ulnar notch

Front 5

Torres fracture

Back 5

Cortical bone of the distal radius buckles outward

Front 6

Greenstick fracture

Back 6

Complete break in the Fracture of mishaft: continuity of cortical bone tissue on one side of the shaft but only bent cortucal tissue on the other

Front 7

Colles' fracture

Back 7

Fracture of the distal radius: results in posteriorally displaced and posteriorally angulated

Front 8

Colle's fracture looks like a ______

Back 8

Dinner fork and is called the dinner fork fracture

Front 9

________ contributes to high percentage of Colles' fractures among those greater than 50 years old

Back 9

Osteoporosis

Front 10

Parts of the ulnar to know and identify (Gray's and NetAnatomy)

Back 10

Head, styloid process, Coranoid process, olecranon process, trochlear notch, radial notch

Front 11

Lateral side of the elbow joint articulations

Back 11

Capitulum with the head of the radius

Front 12

Medial side articulations of the elbow joint

Back 12

Trochlea of the humerus with the trochlear notch of the ulna

Front 13

Movements at the elbow joint

Back 13

Flexion and extension of the forearm

Front 14

The ____ can not be seen in a normal radiograph of the elbow

Back 14

posterior fat pad

Front 15

A severaly swollen elbow will show _____ in a radiograph

Back 15

posterior and anterior fat pads

Front 16

Articulations at proximal radioulnar joint

Back 16

Head of radius articulates with with radial notch of ulna

Front 17

Ligament that surrounds head of radius and proximal radioulnar joint

Back 17

Annular ligament

Front 18

Distal radioulnar joint articulations

Back 18

Head of the ulna with the ulnar notch of the radius

Front 19

The prpximal and distal radioulnar joints provide for _____

Back 19

supination and pronation

Front 20

An elbow pull may pull the ___ of the radius from the ____ of the humerus

Back 20

head; capitulum

Front 21

Pulling of the head of the radius away from the humerus is called a _____

Back 21

subluxation

Front 22

Subluxation may produce:

Back 22

transverse tear in the annual ligament near its attachments to the neck of the radius

Front 23

After subluxation happens:

Back 23

Head of the radius pulled toward capitulum of humerus and pinches the upper part of the torn annular ligament between the radius and the capitulum

Front 24

Presentation of pulled elbow

Back 24

Flexed and pronated forearm flexed closely to the body

Front 25

A radiograph of a pulled elbow will show lateral displacement of the head of the radius

Back 25

False: At the time of examination its displacement of the annular ligament

Front 26

Reduction of a pulled elbow may be achieved by

Back 26

Stabilizing the child's elbow and palapating the radius with one hand slowly and firmly, supinate and flex the child's forearm with the other hand

Front 27

Membrane that joins to gether the radius and the ulna

Back 27

Interosseous membrane

Front 28

What is the chief flexor of the forearm?

Back 28

Brachialis

Front 29

What is the cheif suppinator of the forearm?

Back 29

Biceps brachii

Front 30

Flexion of the forearm at the elbow joint is composed mostly of ____ fibers

Back 30

C6

Front 31

Chief extensor of the forearm

Back 31

biceps brachii

Front 32

Extension of the forearm is predominately by ____

Back 32

C7

Front 33

Motor deficits resulting from injury to C5 and C6 are known as __________

Back 33

Erb's pasly

Front 34

Muscles affected by Erb's palsy

Back 34

supraspinatus, deltoid, biceps brachii. brachialis and supinator

Front 35

Supinator _________ the forearm and is innervated by _____

Back 35

C6 and C7

Front 36

Paralysis of ____ and ____ profoundly weaken flexion of the forearm

Back 36

biceps brachii and brachialis

Front 37

Paralysis of ____ and weakness of ____ allows for inabilty of supination

Back 37

biceps brachii and supinator

Front 38

The forarm is more ____ than usual as a result of biceps brachii and supinator's paralysis and weakness

Back 38

Pronated

Front 39

The shoulder appears to ____

Back 39

droop

Front 40

The chief artery of the arm is the ___ artery

Back 40

brachial

Front 41

The brachial arteries divides into the ____ and _____ arteries

Back 41

ulnar and radial

Front 42

_____ and ____ movements at the shoulder joint become weakened in Erb's palsy because

Back 42

Adduction and inernal rotation (C5 and C6 damaged)

Front 43

The ___ artery is the largest branch of the brachial artery

Back 43

deep

Front 44

The ____ and the ____ veins are the largest superficial veins of the arm

Back 44

basilic (medial) and cephalic (lateral)

Front 45

The ___ is the largest vein to join the axillary vein

Back 45

cephaliic

Front 46

The _____ are located nrear the basilic vein above the medial condyle of the humerus

Back 46

supratrochlear lymph nodes

Front 47

The supertrochlear lymph noces drain ____ located on the _____

Back 47

superficial tissues; medial side of hand and forearm

Front 48

The bones of the wrist are called ___ and the bones of the hand are called ______

Back 48

carpals; metacarpels

Front 49

The bones in the digits are called ____

Back 49

phalanges