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Gross Anatomy: Unit Two. > wednesday lecture > Flashcards

wednesday lecture Flashcards

1
Q

Radiocarpal joint

A
  • distal radius with the scaphoid, lunate and TFCC
  • Condyloid, synovial joint
  • All motions (Flexion, Extension, Radial and Ulnar deviation)
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2
Q

Intercarpal joint

A
  • plane synovial joint
  • between the two rows of carpal bones
  • one third of wrist extension occurs here, half of wrist flexion occurs here
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3
Q

Ligaments of the wrist joint

A
  • anterior and posterior ligament

- collateral ligament (Ulnar and Radial)

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4
Q

The ulnar and radial collateral ligament of the wrist

A
  • ulnar collateral: attaches to the ulnar styloid process and triquetrum
  • radial collateral: attaches to radial styloid process to scaphoid
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5
Q

What is ulnar deviation limited by?

A

Radial collateral ligament

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6
Q

What is radial deviation limit by?

A

Ulnar collateral ligament

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7
Q

Ligaments of the midcarpal joint

A
  • anterior and posterior

- interosseous

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8
Q

Antebrachial fasica

A
  • posterior thickening (Extensor retinaculum)

- anterior thickening (Flexor Retinaculum and palmar fascia)

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9
Q

Fracture of the scaphoid

A
  • from a fall on an outstretched hand

- The blood supply to this bone is bad (decreased) so it takes longer to heal

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10
Q

Colles fracture

A
  • “dinner fork deformity”

- fracture of the distal radius with posterior displacement of the fragment

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11
Q

function of the wrist

A

provide stable base for the hand

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12
Q

what 9 tendons are in the carpal tunnel? what nerve?

A
  • Flexor Pollici Longus (1)
  • Flexor Digitorum Superificalis (4)
  • Flexor Digitorum Profundus (4)
  • Median nerve
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13
Q

Proximal row of carpals:

A

Scaphoid, Lunate, Triquetrum, Pisiform

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14
Q

Distal Row of carpals:

A

Trapezuim, Trapezoid, Capitate, Hamate

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15
Q

Phalanges Parts

A

Distal, Middle and Proximal

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16
Q

Metacarpal parts

A

head, shart and base

(head is by the base of the phalanges

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17
Q

Superifical layer of the flexors

A

Pronator Teres
Flexor Carpi Radials
Palmaris Longus
Flexor Carpi Ulnaris

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18
Q

Pronator Teres origin

A

Coronoid Process of Ulna

Medial epicondly of humerus

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19
Q

Pronator Teres insertion

A

lateral surface of the radius

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20
Q

Pronator teres innervation

A

Median Nerve

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21
Q

Pronator teres action

A

pronates and flexes forearm

22
Q

Flexor Carpi Radialis origin

A

Medial epicondyle of the humerus

23
Q

Flexor carpi radialis insertion

A

base of 2nd metacarpal

24
Q

flexor carpi radialis innervation

A

median nerve

25
Q

flexor carpi radialis action

A

flexes and abducts the wrist

26
Q

palmaris longus origin

A

medial epicondyle of the humerus

-not everyone has this muscle

27
Q

Palmaris longus insertion

A

Palmar aponeurosis

28
Q

Palmaris longus innervation

A

Median Nerve

29
Q

Palmaris longus action

A

flexes hand at wrist

30
Q

Intermediate layer of the flexors

A
  • anterior side

- flexor digitorum superficials

31
Q

Flexor Digitorum Superficials Origin

A

Medial Epicondyle of humerus and coronoid process of ulna

32
Q

Flexor Digitorum Superficial Insertion

A

Shafts of middle phalanges of medial four digits

33
Q

Flexor Digitorum Superficials innervation

A

Median Nerve

34
Q

Flexor Digitorum Supericials action

A

Flexes wrist joint

35
Q

Deep layer of the flexors

A

Flexor digitorum profundus
Flexor Pollicus Longus
Pronator Quadratus

36
Q

Flexor Digitorum profundus origin

A

Promixal three quarters of medial surface of ulna and interosseous membrane

37
Q

Flexor Digitorum profundus insertion

A

bases of the distal phalanges of 2nd, 3rd, 4th and 5th digit

38
Q

Flexor Digitorum profundus innervation

A

Two parts:
Medial part: Ulnar Nerve
Lateral part: Median Nerve

39
Q

Flexor Digitorum profundus action

A
  • flexes wrist joint

- flexes distal interphalangeal joints of digit 2.3.4.5

40
Q

Flexor Pollicis longus origin

A

anterior surface of radius and interosseous membrane

41
Q

Flexor Pollicis longus insertion

A

base of distal phalanx of thumb

42
Q

Flexor Pollicis longus innervaton

A

anterior interosseous nerve from medial nerve

43
Q

Flexor Pollicis longus action

A
  • flexes wrist

- flexes metacarpophalangeal and interpharangeal joint of thumb

44
Q

Pronator quadratus origin

A

distal quarter of anterior surface of ulna

45
Q

pronator quadratus insertion

A

distal quarter of anterior surface of radius

46
Q

Pronator quadratus innervation

A

anterior interosseous nerve from medial nerve

47
Q

pronator quadratus action

A

pronates the forearm, deep fibers bind radius and ulna together

48
Q

Flexor carpi ulnaris origin

A

Olecranion and medial border of the ulna

49
Q

Flexor carpi ulnaris insertion

A

Pisiform
Hook of the hamate
5th metacarpal

50
Q

Flexor carpi ulnaris innervation

A

Ulnar nerve

51
Q

Flexor carpi ulnaris action

A

Ulnar deviation

Flexes the wrist

Gross Anatomy: Unit Two. (10 decks)

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