ELBOW KOMPLEKS
Bones
w Humerus: trochlea, capitullum
w Ulna: olecranon, trochlear notch, coronoid process
w Radius: head
Humerus
w Medial Epicondyle
n Distal anteriomedial border-trochlea
w Lateral Epicondyle
n Capitulum (radial head)
n Radial Fossa
Bone Anatomy
|
n Proximal
l Olecranon
l Olecranon Process
l Coronoid Process
l Trochlear notch
l Radial notch
l Ulnar tuberosity
n Distal
l Ulnar Styloid Process
Elbow and Radioulnar Joints
w Radiohumeral joint
n Articulation between radius and humerus
n Capitulum
l Eminence on distal end of lateral epicondyle
l Articulates with head of radius at elbow
w Ulnar-humeral joint
n “Elbow”
n Articulation between ulna and humerus
w Radioulnar joints
n Articulations between ulna and radius
l Proximal and distal
n Pronation, supination
n Interosseous membrane
l Thin layer of tissue running between ulna and radius
Ligamentous support
w Ulnar Collateral Ligament
w Radial Collateral Ligament
w Annular Ligament
w Interosseous Membrane
Functional Anatomy
— Articulation and ligamentous anatomy
— Ligamentous support
— Ulnar collateral ligament (UCL)
— Anterior, transverse, and posterior bundle
— Radial collateral ligament (RCL)
— Annular ligament
— Interosseous membrane
Muscle (bag Anterior/grup Flexor)
a. Bagian Superfisial
1. m. Pronator teres
2. m. Flexor carpi radialis
3. m. Palmaris longus
4. m. Flexor digitorum superfisialis
5. m. Flexor carpi ulnaris
b. Bagian Profunda
1. m. Flexor digitorum profundud
2. m. Fexor pollicic longus
3. m. Pronator quadratus
Pronator Teres
w O –
n Medial humeral epicondyle
n Coronoid process
w I –
n Lateral radius near its center
w N –
n Median
w F –
n Forearm pronation
n Elbow flexion
Flexor Carpi Radialis
w O –
n Medial humeral epicondyle
w I –
n Palmar surface at base of 2nd metacarpal
n Slip to base of 3rd metacarpal
w N –
n Median
w F –
n Wrist flexion
n Wrist radial deviation
n Elbow flexion
Palmaris Longus
w O –
n Medial humeral epicondyle
w I –
n Palmar aponeurosis
n Wrist flexor retinaculum
w N –
n Median
w F –
n Wrist flexion
n Elbow flexion
Flexor Carpi Ulnaris
w O –
n medial epicondyle of humerus
n olecranon and posterior border of ulna
w I –
n Pisiform bone, hook of hamate bone, and 5th metacarpal bone
w N –
n Ulnar
w F –
n Wrist flexion
n Ulnar deviation
n Elbow flexion
Muscle (bag Posterior/grup Ext)
a. Muscle (bag Posterior/grup Ext)
1. m. Brachioradialis
2. m. Ext carpi radialis longus & brevis
3. m. Ext digitorum comumnis
4. m. Ext digiti minimi
5. m. Ext carpi ulnaris
b. Bagian Profunda
1. m. Supinator
2. m. Abduktor pollicis longus
3. m. Ext pollicis longus & brevis
4. m. Ext indicis propius
Brachialis
w O
n Distal 2/3 anterior humerus
w I
n Ulna tuberosity
n Coronoid process
w N
n Musculocutaneous
w F
n Elbow flexion
Extensor Carpi Radialis Longus
w O –
n Lower 1/3 of lateral supraconsylar ridge
w I –
n Dorsal surface of base of 2nd metacarpal
w N –
n Radial
w F –
n Wrist extension
n Wrist radial deviation
n Elbow flexion
Extensor Carpi Radialis Brevis
w O –
n Lateral epicondyle of humerus
w I –
n Dorsal surface of base of 3rd metacarpal
w N –
n Radial
w F –
n Wrist extension
n Wrist radial deviation
n Elbow flexion
Extensor Digitorum Communis
w O –
n Lateral humeral epicondyle
w I –
n Extensor expansions of digits 2-5
w N –
n Posterior interosseus nerve (continuation of radial)
w F –
n 2-5 MCP extension
n 2-5 IP extension
Extensor Carpi Ulnaris
w O –
n Lateral humeral condyle
w I –
n Posterior base of 5th metacarpal
w N –
n Posterior interosseus
w F –
n Wrist extension
n Wrist ulnar deviation
Supinator
w O –
n Lateral humeral epicondyle
n LCL
n Annular ligament
w I –
n Lateral upper 2/3 of radius
w N –
n Radial
w F –
n Forearm supination
NERVES
w Median
w Ulnar
w Radial
Pembuluh Darah
w Brachial Artery
• Ulnar artery
• Radial artery
Bursae
w Subcutaneous Olecranon bursa
n Between skin and olecranon
w Subtendinous Olecranon Bursa
n Between tendon triceps and olecranon
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