Elbow and radioulnar joint

humeroulnar Joint

ginglymus joint

medial collateral ligament of the elbow

valgus forces

lateral collateral ligament of the elbow

varus forces

olecranon bursae

3, superficial, subtendinous, intratendinous

cubital bursae

bicipitoradial and interossseus(not everyone)

students elbow

inflammation of bursae at olecranon

female carrying angle

2-26 degrees

male carrying angle

2-21 degrees

radioulnar joint

trochoid joint

annular ligament

maintains radial head within the joint

Biceps brachii long head origin

supraglenoid tubercle

biceps brachii long head insertion

radial tuberosity

biceps brachii long head action

supination, flexion

biceps brachii long head innervation

musculocutaneous nerve

biceps brachii short head origin

coracoid process

biceps brachii short head insertion

radial tuberosity

biceps brachii short head action

supination, flexion

biceps brachii short head innervation

musculocutaneous nerve

brachialis origin

anterior-distal shaft of humerus

brachialis insertion

ulnar tuberosity

brachialis action

flexion

brachialis innervation

musculocutaneous nerve

brachioradialis origin

lateral supracondylar ridge of humerus

brachioradialis insertion

radial styloid process

brachioradialis action

radial deviation, elbow flexion, pronation and supination

brachioradialis innervation

radial nerve

pronator teres origin

medial supracondylar ridge of humerus

pronator teres insertion

lateral surface of the radius

pronator teres action

pronation, weak elbow flexor

pronator quadratus origin

distal anterior side of the ulna

pronator quadratus insertion

distal anterior side of the radius

pronator quadratus action

pronation

pronator quadratus innervation

anterior interosseus nerve (median nerve)

triceps brachii long head origin

infraglenoid tubercle

triceps brachii long head insertion

olecranon process

triceps brachii long head action

extension of elbow and shoulder

triceps brachii long head innervation

radial nerve

triceps brachii lateral head origin

proximal posterior humerus

triceps brachii medial head origin

distal part of posterior humerus

triceps brachii lateral and medial insertion

olecranon process

triceps brachii lateral and medial action

elbow extension

triceps brachii lateral and medial innervation

radial nerve

supinator origin

lateral epicondyle of the humerus

supinator insertion

lateral surface of proximal radius

supinator action

supination of forearm

supinator innervation

posterior interosseus nerve (radial nerve)

anconeus origin

lateral epicondyle, posteriorly

anconeus insertion

olecranon process

anconeus action

extension

anconeus innervation

radial nerve

tennis elbow

LCL, extensor digitorum

Golfers elbow

MCL, medial wrist flexors, pronator group

anterior compartment

elbow flexors and pronators

posterior compartment

elbow extensors