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S&F 1 > Forearm I > Flashcards

Forearm I Flashcards

1
Q

The bones of the digits are call what>

A

Phalanges

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2
Q

Which finger has only a Proximal and a distal bone, no middle bone?

A

Thumb

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3
Q

The bones of the palm are called?

A

Metacarpals

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4
Q

The head of the bones are?

A

Distal

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5
Q

The bones of the wrist are called?

A

carpals

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6
Q

Which bone articulates with metacarpal 1?

A

trapezium

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7
Q

Which bone articulates with metacarpal 2?

A

Trapezoid

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8
Q

Which bone articulates with metacarpal 3?

A

Capitate

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9
Q

Which bone articulates with metacarpal 4 and 5?

A

Hamate

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10
Q

Which bones articulate with radius and ulna, respectively

A

Radius
Scaphoid - lunate
Ulna
Triquetrum

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11
Q

More anterior than all other carpal bone

A

Pisiform

Tendon ossification

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12
Q

Wrist joint

A

Between the forearm and the carpal bones

mainly the radius. Does not really touch the ulna

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13
Q

Midcarpal joint

A

between the caprals

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14
Q

Movements of the wrist joint

A

Flexion (more movement occurs at the midcarpal joint than at the wrist)

Extension (more movement occurs at the midcarpal joint)

Abduction (midcarpal joint provides all the carpal movement

Adduction (the wrist joint provides almost all the carpal movements)

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15
Q

The head of the 2-5th metacarpals form what?

A

knuckles

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16
Q

In anatomical position the fingers are in what position

A

adduction

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17
Q

T/F

Carpalmetacapal joints are very mobile in digit 2-4

A

False

The thumb and the pinky

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18
Q

what allows opposition of the thumb

A

the carpalmetacarpal joint

19
Q

What makes the carpometacarpal joint of the arm different?

A

Its a synpvoial joint in which trapezium articulates with the base of the first metacarpal

20
Q

Thumb does medial in anatomical position

21
Q

Thumb goes lateral in anatomical position

22
Q

Anterior movement of the thumb

23
Q

Posterior movement of the thumb

24
Q

When you do opposition of the thumb what type of movement are you doing?

A

Abduction and Flexion using the carpal metacarpal joint

25
Q

Abduction and adduction of the digits uses which joints?

A

metacarpalphalangeal joints

26
Q

Interphalangeal joints allows you to do what?

A

Flex and extension

27
Q

Anterior nerves of the forearm

A

Musculocutaneous n. (skin)
Median n. (muscles) - main one
Ulnar n. (muscles)

28
Q

Muscles of the anterior forearm superficial (lateral to medial)

A

Origin: medial epicondyle
Innervation: median nerve except last one is ulnar nerve

Pronator Teres
Flexor Carpi radialis  
Palmaris longus 
Flexor digitorum superficialis 
Flexor carpii ulnari
29
Q

Muscles of the anterior forearm deep (lateral to medial)

A

Flexor pollicis longus

Flexor digitorum profundas

30
Q

Pronator teres

A

Pronates forearm

flexion

31
Q

Flexor carpii radialis

A

Flexion of the hand

Abduction of hand

32
Q

Palmaris longus

A

To palmar aponeurosis

Weak flexion of forearm and hand

33
Q

Flexor digitorum superficialis

A

Flexing of digits
Go to middle phalanges of the digits (flex proximal interphalangeal joint)
Flexion of the forearm

34
Q

Flexor Carpii Ulnaris

A

Flexor of the hand

Adduction of hand

35
Q

Flexor pollicis longus

A

Goes to distal phalanx of the thumb (in humans)

flexion

36
Q

Flexor digitorum profundas

A 
digit 2-5
Goes to distal phalynx 
Flexion 
Median n. 2/3 
Ulnar n. 4/5 
Affects distal phalanges
37
Q

Pronator

A

Pronate forearm

Median nerve

38
Q

Muscles of the posterior forearm superficial (lateral to medial)

A

Come from lateral epicondyle
Innervation: radial nerve

Brachoradialis
Extensor Carpi Radialis longus
Extensor carpii radialis brevis
Extensor digitorium

39
Q

Brachoradialis

A

comes from shaft of humerus to radial bone

Flexion the forearm

40
Q

Extensor Carpi Radialis longus

A

Insertion: metacarpal 2

Abduction

41
Q

Extensor carpii radialis brevis

A

Insertion: metacarpal 3

Abduction

42
Q

Extensor digitorium

A

extend proximal and middle phalanges of the digits

43
Q

Extensor carpi ulnari

A

Extension of the forearm

Adduction

44
Q

Aconuerus

S&F 1 (25 decks)

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