Lab 9: Posterior Antebrachium; hand Flashcards by luan nguyen

What are the bones in hand?

Carpal

Metacarpals

Phalanges

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What are the bones in phalanges of hand?

distal phalanges (DP)

middle phlanges (MP)

Proximal phalnges (PP)

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What phalanges that the thumb doesnt have?

middle phalages

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What are the joints in hand?

interphalangeal joint (IP) - distal and proximal

metacarpalphalangeal joint (MP)

carpal metacarpal joint (CMC)

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Mnemonic Snuff box of hand

Some Lovers Try Position that they can’t handle

scaphoid, lunate, trapezium, pisiform, trapezoid, triquetrum, capitate, hamate

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Bones from #3 to #10?

8 scaphoid

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What is the joint that ED control?

What are the joints that lumbricals and interosseous control?

MCP

PIP and DIP

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What does ulnar A give off?

what does radial A give off?

superficial palmar arch

Deep palmar arch

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OIANB of Brachioradialis?

Proximal Lateral Supracondylar rydge of humerus

Styloid Process and adjacent radius

Flexion of elbow with forearm in neutral position (handshake)

Radial N

Radial A

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OIANB of ECRL

Distal lateral supracondylar rydge of humerus
Lateral epicondyle of humerus

Dorsal aspec of base of 2nd metacarpal

Extension of wrist/ Radial deviation of wrist

Radial N

Radial A

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OIANB of ECRB

Lateral epicondyle of humerus

Dorsal aspect of base of 3rd metacarpal

Extension of wrist

Deep branch of radial N

Radial A

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OIANB of extensor digitorum

Lateral epicondyle of humerus

Extensor expansion of 2-5 digits

Extension of digits 2-5 at MCP joints/ Extension of wrist

Deep branch of N

Radial A

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OIANB of Extensor Digiti Minimi

Lateral Epicondyle of humerus

Extensor expansion of digit 5

Extension of digit 5 at MCP joint / Extension of wrist

Deep branch of radial N

Radial A

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OIANB of extensor carpi ulnaris

lateral epicondyle of humerus

posterior proximal of ulna

Base of 5th metacarpal

Extension of wrist/ Ulnar deviation of wrist

Deep branch of Radial N

Radial A

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OIANB of supinator

Lateral epicondyle of humerus

Annular and radial collateral ligament

Supinator crest of ulna

Lateral surface of proximal of 1/3 radius

Supinator of forearm

Deep branch of radial N

Post Interosseous A

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OIANB of extensor indicis

Posterior Ulna

Adjacent interosseous membrane

Extensor expansion of digit 2/ Extension of wrist

deep branch of radial N

Post Interosseous A

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OIANB of abductor pollucis longus

Posterior surface of ulna and radius

interosseous Membrane

Lateral aspect of base of 1st metacarpal

Abduction of 1st metacarpal of thumb at CMC joint

Radial deviation of wrist

Deep branch of radial N

Post Interosseous Membrane

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Muscles that attach on thumb? what does these muscle have action in common?

AbPL

EPB
EPL

Radial deviation of wrist

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OIANB of extensor pollicis brevis

Posterior Radius/ Interosseous

Base of proximal phalanx of thumb

Extension of thumb at MCP joint/ Radial deviation of wrist

Deep branch of radial N

Post Interosseous membrane

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OIANB of extensor pollucis longus

Middle 1/3 of posterior ulna and interosseous membrane

Base of distal phalanx of thumb

Extension of thumb at IP joint/ radial deviation of wrist

Deep branch of radial N

Post Interosseous A

Muscles in the thenar of hand?

AbPB

FPB

AdP

OIANB of AbPB

Flexor retinaculum/ trapezium/ scaphoid

radial side of base of proximal phalanx of thumb

abduction of thumb at cmc joint

median N

SF branch of radial A

OIANB of Flexor pollicis brevis

SF head: trapezium/ flexor retinaculum

Deep head: trapezoid/ capiate

Radial side of proximal phalanx of thumb

Flexion of thumb at MCP joint

Median N for SF head

Ulnar N for deep

SF branch of radial A

OIANB of Opponen Pollucis

Flexor retinaculum/ Trapezium

Lateral shaft of 1st metacarpal

Opposition of thumb at CMC joint

Median N

SF branch of radial A

OIANB of Adductor Pollicis

Transverse head: Anterior surface of 3rd metacarpal Oblique headL Base of 2nd and 3rd metacarpal. capitate. trapezium/ trapezoid Medial side of base of proximal phalanx of thumb Adduction of 1st metacarpal at CMC joint Ulnar N SF branch of radial A

OIANB of Abductor DM

Pisiform Ulnar side of base of proximal phalnx of digit 5 Abduction of proximal phalanx of digit 5 at MCP joint Ulnar N Ulnar A

OIANB of Flexor Digiti Minimi

Flexor retinaculum Hook of hammate Base of proximal phalanx of digit 5 flexion of digit 5 at MCP joint Ulnar N/ A

What are muscles that have same insertion radial side of base of proximal phalanx of thumb?

Abductor Pollicis Brevis and Flexor Pollicis Brevis

What are the muscles that have same origin: Flexor retinaculum and hook of hamate?

Flexor Digiti Minimi and Opponen Digiti Minimi

OIANB of Opponen Digiti Minimi

Hook of Hamate/ Flexor retinaculum Medial border of 5th metacarpal Opposition of digit 5 at CMC joint Ulnar N Ulnar A

Lumbricals OIANB

FDP tendons extension expansion of digit 2-5 on radial side of proximal Flexion of digit 2-5 at MCP joint Extension of digits 2-5 at PIP/ DIP joint Digit 2-3: median N Ulnar N: digit 4-5 Deep palmar arch

Origin and insertion of dorsal interossei

two heads from adjacent dorsal surface of metacarpals Base of proximal phalanges and extensor expansion of digits 2-4 Digit 2: radial side Digit 3: radial and ulnar side Digit 4: ulnar side

ANB of dorsal interossei

Abduction of digits 2-4 at MCP joints Flexion of digits 2-4 at MCP joints Extension of digits 2-4 at DIP/PIP Ulnar N Deep palmar arch

What nerve and artery do the digiti minimi muscles have in common? What nerve and artery do the thenar muscles have in common? What nerve and artery do the additional intrinsic hand have?

Ulnar N/ Ulnar A Median N or Ulnar N with SF branch of radial A Ulnar N and Deep palmar arch A

What muscle has insertion is medial side of proximal phalanx of thumb? What muscle has insertion is ulnar side of proximal phalanx of digit 5?

Adductor Pollicis Abductor Digiti Minimi

All AbPL. AbPB, opponen pollicis and adductor pollicis have what control of joint in common?

actions of CMC joint

OIANB of palmar interossei

Palmar surfaces of shafts of 2nd, 4th and 5th metacarpals Base of proximal phalanges and extensor expansion of digits 2,4,5 Digit 2: ulnar side Digit 4,5: radial sides Flexion/Adduction of digits 2,4,5 at MCP joint Extension of digits 2,4,5 at PIP/DIP joint Ulnar N Deep palmar arch

What part is this of ulna? What muscle does it attach to I or O?

Olecranon process of ulna Triceps (I) and Flexor Carpi Ulnaris (O)

What part is this of ulna? What does it attach to?

trochlea notch of ulna trochlea of humerus

What is this part of ulna? What muscle atttaach to it? OIANB of that muscle

coronoid process of ulna brachialis Lower half of anterior humerus Ulnar tuberosity/ Coronoid process of ulna Brachial A/ Musculocutaneous N Pronator teres Middle of lateral radius Pronation of forearm/ Flexion of elbow Median N Ulnar A

What is this part of ulna? What does it attach with? How do you distinguish between this and coronoid process of ulna

radial notch of ulna head of the radius the coronoid process of ulna is higher

What is this part of ulna for #6? Muscle(s) attachment to this I or O? OIANB

Ulnar tuberosity Brachialis lower half of anterior humerus ulnar tuberosity/ coronoid process of ulna Flexion of elbow Musculocutaneous Brachial A

What is this part of ulna #8? How do you recognize it?

styloid process of ulna It is located in the end of ulna (protruding bone)

What is this part of ulna? What does it attach to?

head of ulna ulnar notch of radius

What is this part of radius? #10 How do you know? What does it attach to?

head of radius it has articulating surface capitulum and radial notch of ulnar

What is this part of radius? #11

neck of radius

What is this part of radius? #13

Styloid process of radius

What is this part of radius? Muscle(s) attachemtn to this? O or I?

Radial tuberosity bicep brachii Short head: coracoid process of scapula Long head: Supraglenoid tubercle of scapula Flexion of elbow long head: abduction of externally rotated arm flexion of elbow/ supination of forearm short head: flexion of shouilder