Wrist Presentation
Published on Nov 18, 2015
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PRESENTATION OUTLINE
WRIST
AMANDA
GLIDING JOINT
BONES
- Trapezium
- Trapezoid
- Capitate
- Scaphoid
- Radius
All the carpal bones are short bones, the 5 types of bones include long, short, flat, sesamoid, irregular, bones.
BONES
- Hamate
- Pisiform
- Triquetrum
- Lunate
- Unla
MUSCLES (FLEXORS)
- Flexor carpi radialis
- Flexor carpi ulnaris
- Palmaris longus
Flexor carpi radialis - flexes the hand
Origin : medial epicondyle of the humerus
Insertion : second and third metacarpal bones
Flexor carpi ulnaris - flextion and adduction of hand
Origin : medial epicondyle
Insertion : base of 5th metacarpal bone
Palmaris longus - flexor for hand
Origin : medial epicondyle of humerus
Insertion : palmar aponeurosis
Origin : medial epicondyle of the humerus
Insertion : second and third metacarpal bones
Flexor carpi ulnaris - flextion and adduction of hand
Origin : medial epicondyle
Insertion : base of 5th metacarpal bone
Palmaris longus - flexor for hand
Origin : medial epicondyle of humerus
Insertion : palmar aponeurosis
MUSCLES (FLEXORS)
- Flexor digitorum profundus
- Flexor digitorum superficialis
- Flexor pollicis longus
Flexor digitorum profundus - flex hand
Origin : upper ulna
Insertion : base of distal phalanges
Flexor digitorum superficialis - flex fingers
Origin : medial epicondyle of the humerus
Insertion : basses of the middle phalanges
Flesor pollicis longus - flex the thumb
Origin : middle of radius
Insertion : base of distal phalanges
Origin : upper ulna
Insertion : base of distal phalanges
Flexor digitorum superficialis - flex fingers
Origin : medial epicondyle of the humerus
Insertion : basses of the middle phalanges
Flesor pollicis longus - flex the thumb
Origin : middle of radius
Insertion : base of distal phalanges
MUSCLES (EXTENSORS)
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor carpi ulnaris
- Extensor digitorum
Extensor carpi radialis longus - extends and abducts the hand at wrist.
Origin : lateral supracondylar ridhe
Insertion : second metacarpal
Extensor carpi radialis brevis - extends and abducts hand at wrist
Origin : humerus
Insertion : 3rd metacarpal
Extensor carpi ulnaris - extends and adducts hand at wrist
Origin : ulna
Insertion : 5th metacarpal
Extensor digitorum - extension of hand and fingers
Origin : lateral epicondyle
Insertion : distal phalanges of all fingers but thumbs
Origin : lateral supracondylar ridhe
Insertion : second metacarpal
Extensor carpi radialis brevis - extends and abducts hand at wrist
Origin : humerus
Insertion : 3rd metacarpal
Extensor carpi ulnaris - extends and adducts hand at wrist
Origin : ulna
Insertion : 5th metacarpal
Extensor digitorum - extension of hand and fingers
Origin : lateral epicondyle
Insertion : distal phalanges of all fingers but thumbs
MUSCLES (EXTENSORS)
- Extensor pollicis longus
- Extensor indicis
- Extensor digiti minimi
Extensor pollicis longus - extension of thumb
Origin : posterior surface of ulna
Insertion : thumb
Extensor indicis - extends index finger
Origin : posterior ulna
Insertion : index finger
Extensor digito minimi - extension of little finger
Origin : lateral epicondyle of humerus.
Insertion : base of proximal phalanges.
Origin : posterior surface of ulna
Insertion : thumb
Extensor indicis - extends index finger
Origin : posterior ulna
Insertion : index finger
Extensor digito minimi - extension of little finger
Origin : lateral epicondyle of humerus.
Insertion : base of proximal phalanges.
MUSCLES (ADDUCTION)
- Flexor carpi ulnaris
- Extensor carpi ulnaris
MUSCLES (ABDUCTION)
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Flexor carpi radialis
MUSCLES (ABDUCTION)
- ABductor pollicis longus
- Extensor pollicis brevis
- Extensor pollicis longus
Abductor pollicis longus - abduction extension of thumb
Origin : ulna
Insertion :first metacarpal
Extensor pollicis brevis - extension of thumb
Origin : radius
Insertion : thumb
Origin : ulna
Insertion :first metacarpal
Extensor pollicis brevis - extension of thumb
Origin : radius
Insertion : thumb
