PNB Practical 1-Upper Appendicular Skeleton and Muscles

process

any marked bony prominence

foramen

opening

fossa

a flattened shallow surface/depression

tubercle

rounded, small nodule

tuberosity

large, smooth prominence

condyle

rounded prominence at the end of a bone

epicondyl

round projection above a condyle

What portion of the radius articulates with the capitulum of the humerus?

-styloid process

-tuberosity of radius

-head

-ulnar notch

-head

clavicle

collar bone

scapula

shoulder blade

spine of scapula

deltoid muscle attachment point

acromion of scapula

the lateral end of the spine of the scapula that articulates with the clavicle to form the AC joint

coracoid process of scapula

insertion of pectoralis minor

glenoid cavity of scapula

a shallow socket that articulates with the head of the humerus

humerus

upper arm bone

head of humerus

articulates with glenoid cavity of scapula

anatomical neck of humerus

distal to head of humerus; visible as an oblique groove

surgical neck of humerus

narrow metaphysis prone to injury

trochlea of humerus

area on the medial, distal end of the humerus that articulates with the trochlear notch of ulna

capitulum of humerus

articulates with head of radius; lateral, distal end of humerus

greater tubercle of humerus

insertion of supraspinatus, infraspinatus, and teres minor; located on proximal end of humerus

lesser tubercle of humerus

insertion of subscapularis; located on proximal end of humerus

olecranon fossa of humerus

articulates with olecranon process of ulna to form the point of the elbow

radius

lateral bone of the forearm

radial tuberosity of radius

proximal end of radius; insertion for biceps brachii

styloid process of radius

located at the distal end of radius articulates with the carpal bones (wrist)

head of radius

articulates with capitulum of humerus, proximal end

ulna

medial bone of the forearm

trochlear notch of ulna

articulates with trochlea of humerus

olecranon process of ulna

the point of the elbow

styloid process of ulna

wrist bump- pinky side

carpus

the eight bones of the wrist (carpal)

metacarpus

the five bones that make up the palm of the each hand

phalanges

14 finger bones of each hand

deltoid

abduct humerus

O: clavicle

I: deltoid tuberosity of humerus

rotator cuff muscles (SITS)

supraspinatus, infraspinatus, teres minor, subscapularis

infraspinatus

lateral rotation of shoulder; horizontal adduction of humerus

O: scapula

I: humerus

supraspinatus

abducts humerus

O: scapula

I: humerus

subscapularis

medial rotation of humerus

O: subscapular fossa

I: lesser tubercle of humerus

teres minor

lateral rotation of shoulder

O: dorsal border of scapula

I: greater tubercle of humerus

biceps brachii

flexes elbow and supinates forearm

O: scapula and humerus

I: radial tuberosity of radius

brachialis

flexes elbow; deep to biceps brachii

O: distal anterior humerus

I: distal ulna

triceps brachii

extends elbow and shoulder

O: scapula, lateral and medial heads of humerus

I: olecranon process of ulna

flexor carpi radialis

flexes and abducts wrist

O: medial epicondyle of humerus

I: base of metacarpals

flexor carpi ulnaris

flexes and adducts wrist

O: humerus and ulna

I: base of 5th metacarpal

extensor carpi ulnaris

extends and adducts wrist

O: humerus

I: base of 5th metacarpal

extensor carpi radialis longus; brevis

extends and abducts wrist

O: lateral epicondyle of humerus

I: bases of 2nd and 3rd metacarpals

brachioradialis

flexes elbow

O: shaft of humerus

I: shaft of radius

Which muscle is primary and the most powerful supinator of the forearm?

-brachialis

-biceps brachii

-triceps brachii

-brachioradialis

-biceps brachii

What is the bone marking associated with the pain from tennis elbow?

-lateral epicondyle

-greater tubercle

-coronoid fossa

-olecranon process

-lateral epicondyle

What muscles originate on the Lateral Epicondyle?

-extensors

-flexors

-biceps brachii

-teres minor

-extensors