Gross Anatomy: Exam 2

coracoid proccess

Acromion

Glenoid fossa

Supraglenoid tubercle

infraglenoid tubercle

trochlea

capitulum

medial epicondyle

lateral epicondyle

medial supracondylar ridge

lateral supracondylar ridge

olecranon fossa

head of radius

neck of radius

radial tuberosity

styloid process of radius

dorsal tubercle

articulating surfaces for scaphoid and lunate

olecranon

trochlear notch

coronoid process

ulnar tuberosity

styloid process of ulna

scaphoid

lunate

pisiform

Triquetrum

trapezium

trapezoid

capitate

hamate

metacarpals

Phalanges

glenohumeral joint

ulnohumeral joint

radiohumeral joint

proximal radioulnar joint

distal radioulnar joint

Radiocarpal joint

mid-carpal joint

carpometacarpal joint

metacarpophalangeal joint

proximal interphalangeal joint

distal interphalangeal joint

interphalangeal joint

Action of the glenohumeral joint

flexion, extension, abduction, adduction, medial and lateral rotation, circumduction

Action of the ulnohumeral joint

flexion and extension

Action of the radiohumeral joint

flexion, extension, pronation, supination

Action of carpal joints

gliding and sliding against carpal bones, flexion/extension of wrist, deviation

Action of metacarpal joints

flexion, extension, abduction, adduction, circumduction

Action of the thumb joint

flexion, extension, abudction, adduction, circumduction, opposition

Biceps Brachii

Coracobrachialis

Brachialis

triceps brachii

long head of biceps

short head of biceps

lateral head of triceps

medial head of triceps

long head of triceps

Anconeus

briceps brachii origin

Short: coracoid process

Long, Supraglenoid tubercle

briceps brachii insertion

Radial tuberosity, bicepital aponeruosis

briceps brachii action

flexes and pronates forearm

briceps brachii innervation

musculocutaneous nerve

coracobrachialis origin

coracoid process

coracobrachialis insertion

mid-shaft of humerus

coracobrachialis action

adducts arm

coracobrachialis innervation

musculocutaneous nerve

brachialis origin

anterior surface of humerus

brachialis insertion

cornoid process of ulna, ulnar tuberosity

brachialis action

flexes forearm

brachialis innervation

musculocutaneous nerve

Triceps brachii origin

long- infraglenoid tubercle

lateral and medial: shaft of humerus

Triceps brachii insertion

olecranon

Triceps brachii action

extends elbow

Triceps brachii innervation

radial nerve

anconeus origin

lateral epicondyle

anconeus insertion

olecranon

anconeus action

extends elbow

anconeus innervation

radial nerve

Lateral Antebrachial Cutaneous nerve

Lateral Antebrachial Cutaneous nerve function?

sensory

brachial artery

profunda brachii artery

Radial Collateral artery

Middle Collateral artery

How do the collateral arteries contribute to the anastomoses around the elbow?

allow blood to reach target structures if one source is blocked, can provide an alternate route for bloodflow if another structure is blocked

Brachioradialis

Pronator Teres

Palmaris Longus

Flexor Carpi Radialis

Flexor Carpi Ulnaris

Flexor Digitorum Superficialis

Flexor Digitorum Profundus

Flexor Pollicis Longus

Pronator Quadratus

Extensor Carpi Radialis Longus

Extensor Carpi Radialis Brevis

Extensor Carpi Ulnaris