Week 8 - Forearm, Wrist & Hand Images Flashcards by K H

Q

A

A

flexor pollicis longus

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Q

B

A

pronator quadratus

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Q

C

A

flexor digitorum profundus

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Q

red

A

brachioradialis

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Q

yellow

A

extensor carpi radialis longus

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Q

blue

A

anconeus

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Q

green

A

extensor carpi radialis brevis

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Q

purple

A

extensor digitorum communis

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Q

teal

A

extensor digiti minimi

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Q

orange

A

extensor carpi ulnaris

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Q

What is this movement called?

A

flexion (palm of hand moves toward forearm)

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Q

What is this movement called?

A

extension (back of hand moves toward forearm)

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Q

What is this movement called?

A

radial deviation (tilt thumb to lateral side)

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Q

What is this movement called?

A

ulnar deviation (tilt 5th digit to medial side)

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Q

What is this movement called?

A

pronation (palm down/back)

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Q

What is this movement called?

A

supination (palm up/forward)

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Q

where is the common flexor tendon?

A

over the medial epicondyle of the humerus (medial edge of the elbow)

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Q

where do the 5 superficial ventral (anterior) muscles of the forearm originate?

A

common flexor tendon

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Q

what are the 5 superficial ventral muscles of the forearm? (flexors)

A

■ Pronator teres
■ Flexor carpi radialis
■ Palmaris longus
■ Flexor carpi ulnaris
■ Flexor digitorum
superficialis

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Q

what are the 3 deep ventral muscles of the forearm? (flexors)

A

Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus

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Q

6 superficial muscles of the dorsal forearm (extensors)

A

Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitorum
Extersor digiti minimi
Extensor carpi ulnaris

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Q

A

A

Extensor carpi radialis longus muscle

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Q

B

A

Radius

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Q

C

A

Brachioradialis muscle

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D

Median nerve

E

Pronator teres muscle

F

Flexor digitorum superficialis muscle

G

Palmaris longus muscle

H

ulnar nerve

I

flexor carpi ulnaris muscle

J

ulnar artery

K

flexor digitorum profundus muscle

L

ulna

M

supinator muscle

N

anconeus muscle

O

Extensor radialis brevis muscle

A

biceps brachii tendon

B

pronator teres muscle

C

flexor carpi radialis muscle

D

brachial artery

E

biceps brachii muscle

F

brachialis muscle

G

brachioradialis muscle

H

extensor carpi radialis longus muscle

A

trapezoid

B

trapezium

C

scaphoid

D

capitate

E

hamate

F

pisiform

G

triquetrum

H

lunate

A

flexor tendons

B

hook of hamate

C

fifth metacarpal

D

triquetral

E

lunate

F

tfcc

G

ulnar styloid

H

ulna

I

trapezium

J

scaphoid

K

scapholunate ligament

L

radioscaphocapitate ligament

M

radius

N

distal radioulnar joint

O

pronator quadratus muscle

what is the blue line pointing to?

sesmoid bones (2 small bones @ the 1st metacarpophalangeal joint)

what pathology is seen here?

distal radius fracture

what pathology is seen here?

Kienbock's Disease

what pathology is seen here?

Kienbock's Disease

A

abductor digiti minimi muscle

B

extensor carpi radialis longus tendon

C

hook of the hamate

D

flexors in the carpal tunnel

A

interphalangeal joint

B

metacarpophalangeal joint

C

head of the 5th metacarpal

D

base of the 5th metacarpal

E

triquetrum

F

radius (distal)

G

capitate

H

base of the 2nd metacarpal

J

head of the 2nd proximal phalanx

K

base of the 2nd middle phalanx

Which letter points to the flexor digitorum superficialis muscle?

A

What type of scan is this... weight? plane? area?

T1 fat sat arthrogram (contrast injection directly into joint pre scan) coronal wrist

What type of scan is this... weight? plane? area?

T1 fat sat arthrogram (contrast injection directly into joint pre scan) sagittal wrist

What type of scan is this... weight? plane? area?

T1 axial metacarpals

What type of scan is this... weight? plane? area?

T1 sagittal finger

Ligamentous Flexion: where are the anular & cruciate pulleys?

5 anular pulleys: 1) MPJ 2) middle of proximal phalanx 3) interphalangeal joint (prox/mid) 4) middle of middle phalanx 5) interphalangeal joint (mid/dis) 3 cruciate pulleys: 1) distal end of proximal phalanx 2) proximal end of middle phalanx 3) proximal end of distal phalanx

C

flexor carpi radialis (right arm image)