October 27, 2015 - Upper Limb II Flashcards Preview

COURSE 2 > October 27, 2015 - Upper Limb II > Flashcards

Flashcards in October 27, 2015 - Upper Limb II Deck (17):
1

Demarcation Between Flexor and Extensor (Forearm)

Demarcation of the division between flexor (anterior) and extensor (posterior) compartments can be palpated on the medial forearm where the ulna lies directly beneath the skin.

2

Innervation in Forearm

The posterior of the forearm is innervated via the radial nerve only.

The anterior of the forearm is innervated by the median nerve except for the flexor carpi ulnaris and half of the flexor digitorum (ulnar nerve).

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3

Anterior Muscles of the Forearm

Flexor carpi radialis

Pronator teres

Flexor carpi ulnaris

Flexor digitorum superficialis

Flexor digitorum profundus

Pronator quadratus

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4

Flexor Carpi Radialis

Originates at the common flexor origin and runs to the 2nd finger.

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5

Flexor Carpi Ulnaris

Superficial muscle on forearm.

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6

Pronator Teres

Superficial muscle on forearm.

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7

Flexor Digitorum Superficialis

Intermediate muscle in forearm.

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8

Flexor Digitorum Profundus

Deep muscle in the forearm.

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9

Pronator Quadratus

Deep muscle in forearm.

 

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10

Thumb Movements

Abduction is moving the thumb perpendicular to plane of hand (hold beer)

Adduction is moving it back to be parallel with the fingers

Extension is moving the thumb up

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11

Thenar Muscles

At the base of the thumb

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12

Hypothenar Muscles

Attach to the pinky finger

 

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13

Adductor Pollicis

Attaches beteen the middle finger and the thumb

 

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14

Lumbricals (Hand)

Muscles in the hand. These originate from the deep digital flexor tendons.

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15

Dorsal Interossei

Muscles on the back of the hand

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16

Palmar Interossei

Muscles on the palm side of the hand

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17

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