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Anatomy - Block 1 > Lecture 6 Anatomy > Flashcards

Lecture 6 Anatomy Flashcards

1
Q

Which nerve only provides sensory innervation in the hand?

A

Radial Nerve

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2
Q

What innervation gives both Motor and Sensory to the hand?

A

Ulnar and Median Nerves

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3
Q

Label the hand with the innervations.

A
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4
Q

Lumbricals 1 & 2

Opponens pollicis

Abductor pollicis brevis

Flexor pollicis brevis

Innervated by what nerve?

A
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5
Q

Adductor Pollicis is innervated by?

A

Ulnar Nerve

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6
Q

Thenar eminence consist of what muscles?

A
  • Thenar
  • Opponens Pollicis-Median
  • Abductor Pollicis Brevis-Median

*Flexor Pollicis Brevis- Median

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7
Q

Hypothenar Eminence? Innervations

A
  • Hypothenar
  • Abductor Digiti Minimi-Ulnar
  • Flexor Digiti Minimi Brevis-Ulnar
  • Opponens Digiti-Ulnar
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8
Q

•Lumbricals 1&2- Innervation?

A

Median nerve

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9
Q

Lumbricals 3&4- Innervation?

A

Ulnar

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10
Q

Dorsal Interossei-Innervation?

A

Ulnar Nerve

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11
Q

Palmar Interossei? Innervations?

A

Palmar Interossei-Ulnar

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12
Q

Which of these are not innervated by the median nerve?

A. Opponens Digiti Minimi

B. Abductor Pollicis Brevis

C. Flexor Pollicis Brevis

D. 2nd Lumbrical

A

A. Opponens Digiti Minimi

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13
Q

Superficial Palmar Arch, is majority what artery?

A

Ulnar Artery

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14
Q

Deep Palmar Arch, Majority what artery?

A

Majority Radial Artery

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15
Q

Radial Artery-> what vasculature comes after to get to the fingers?

A

Dorsal metacarpal arch-> metacarpal arteries-> dorsal digital arteries

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16
Q

What can be found in the anatomical snuff box?

A

Radial Pulse

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17
Q

Median Nerve runs through the ?

A

Transverse carpal ligament

18
Q

Ulnar Artery–> bifurcates into?

A

Ulnar Artery-> Common Interosseous Artery-> Anterior and Posterior Interosseous Artery.

19
Q

What around the flexor tendons in the tranverse carpal ligament can impact the median nerve?

A

Bursa

20
Q

Radius is broad at the —– and the ulna is —-

A

Radius is broad at the wrist. Ulna is narrow.

21
Q

Carpal Tunnel Syndrome. What is it? And how does it happen?

A

median nerve compression @ the tranverse carpal ligament.

22
Q

What do you have in the Metacarpophalangeal and Interphalangeal Ligaments?

A

Collaterals and joint capsules

23
Q

Are there any musles in the posterior part of the hand?

A

NO muscles in the posterior part of the hand.

24
Q

Thenar or Hypothenar? Innervation?

A

Thenar. Median Nerve.

25
Q

What muscle is this? and what is its innervation? thenar or hypothenar?

A

Median Nerve. Thenar.

26
Q
A
27
Q

What muscle is this? Is it hypothenar/thenar? innervation?

A

Hpothenar. Ulnar Nerve

28
Q

What muscle is this? thenar/hypothenar? Innervation?

A

hypothenar. ulnar nerve.

29
Q

Oppones are what to the abductor and flexor muscles? Do they reach the phalnages? is this hypo/thenar?

A

Opponens is deep to the abductor and flexor muscles. Opponens do NOT reach the phalanges. hypothenar. ulnar nerve

30
Q

How many Lumbricals? Lumbrical start from which phalanges?

A

4 lumbricals. They start from the 2nd to the 5th phalange.They all attach to the radial side of the fingers and the attach to the tendons of the flexor digitorum profundus

31
Q
A
32
Q
A
33
Q

What muscles? Innervations?

A

Ulnar Nerve.

34
Q

What muscle? hypothnar/thenar? innervation?

A

thenar. Median nerve.

35
Q

PADS. Stands for? which digit doesnt adduct?

A

Palmar Interossi ADDuction. The third digit does NOT adduct.

36
Q

DABS? stands for?

A

dorsal interossi ABduction. 3rd digit abducts in BOTH directions.

37
Q
A
38
Q
A
39
Q

Palmar Aponeurosis?

A

Palmaris Longus attaches here. Some ppl dont have palmaris longus but have palmar aponeurosis.

40
Q
A

Anatomy - Block 1 (12 decks)

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