muscles of the anterior forearm

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  • Created by: Sarah
  • Created on: 31-01-18 09:44
what vein do you take blood from?
median cubital vein
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what are the exceptions to the ant forearm median nerve innervation?
1)flexor carpi ulnaris (ulnar nerve in the name) 2) flexor digitorum profundus (little finger+ ring = ulnar, 2 index fingers = median)
2 of 30
all of the superficial and intermediate layer come from the medial epicondyle which have extra orgins?
1) flexor carpi ulnaris (long head from ulna) 2) flexor digitorum superficialis (radius) 3) pronator teres (coronoid process of ulna)
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what are the deep muscles?
1) pronator quadratus 2) flexor digitorum profundus 3) flexor pollicus longus
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what is the difference between where flexor digitorum superficialis and profundus attach to?
superficialis (not as far) = middle phalanges. profundus = distal phalanges
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what is the diff between actions of flexor carpi ulnaris and flexor carpi radialis?
ulnaris= flexes and ADDuction at wrist. Radialis = flexion and ABDuction at wrist. radialis is the bad guy
6 of 30
what is the muscle not everyone has?
palmaris longus
7 of 30
where does the flexor carpi radialis insert into?
metacarpals 2 and 3
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what is the action of pronator teres?
pronates the forearm
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what does the pronator teres make?
the lateral border of pronator teres forms the medial border of the cubital fossa
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what is the action of the palmaris longus?
weak flexion at the wrist
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where does the palmaris longus insert into?
the flexor retinaculum fo the wrist
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what action does pronator quadratus have?
pronates the forearm
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where does pronator quadratus originate and insert?
anterior ulna to ant radius
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the flexor pollcius longus does what?
flexes the IP and MCP joint of th ethumb?
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which metacarpal is the thumb?
metacarpal 1
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what side is the mdeial epicondyle and pronator teres originate form?
little finger side
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where does the flexor digitorum profundus orginate and insert?
ulnar splits into 4 tendons --> distal phalanges
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what is the only action that flexor digitorum profundus can do?
flex the distal IP joints (none of the others go that far!!)
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what is all the actions of the flexor digitorum profundus?
flexes the distal IP and MCP joints at he wrist
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what side is the flexor pollicus longus (deep muscle) on why?
pollicus = thumb. [flexes MCP+IP thumb joint)
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where does the pronator teres insert into?
mid shaft of the radius
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why is th the flexor digitorum superficialis a good landmark?
median nerve and ulnar artery pass through and go posterioly
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where does flexor carpi ulnaris originate and insert?
origintae medial epicondyle, long origin from ulna. Passes into wrist attaches to pisiform
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what bone does the flexor carpi ulnaris attach to?
Pisiform
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palmaris longus origin and insertion?
medial epicondyle --> flexor retinaculum
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flexor carpi radialis orgin insertion?
medial epicondyle --> base of metacarpals 2 and 3
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pronator teres origin and insertion?
origin- medial epicondyle and coronoid process of ulna. inserts into mid shaft of radius
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flexor digitorum superficialis origin and insertion?
o- medial epicondyle of hymerus and one radius. I- middle phalanges
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what is the actions of the flexor digitorum superficialis?
flexes the mcp joints and the proximal IP joints, flexes at the wrist
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Other cards in this set

Card 2

Front

what are the exceptions to the ant forearm median nerve innervation?

Back

1)flexor carpi ulnaris (ulnar nerve in the name) 2) flexor digitorum profundus (little finger+ ring = ulnar, 2 index fingers = median)

Card 3

Front

all of the superficial and intermediate layer come from the medial epicondyle which have extra orgins?

Back

Preview of the front of card 3

Card 4

Front

what are the deep muscles?

Back

Preview of the front of card 4

Card 5

Front

what is the difference between where flexor digitorum superficialis and profundus attach to?

Back

Preview of the front of card 5
View more cards

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