Unit Two Antebrachial Flexors Flashcards

1
Q

Role of forearm movement

A

Assist the shoulder in the application of force and in controlling the placement of the hand in space

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2
Q

To allow the free manipulation of the hand the bulk of the forearm musculature is located where

A

Proximally with long tendonous insertions on the distal bony structures

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3
Q

Forearm also includes what of upper arm

A

Distal humerus

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4
Q

What are located in the anterior compartment of the forearm

A

Flexors and pronator

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5
Q

Most of the flexors and pronators in the forearm are supplied by what nerve

A

Median nerve

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6
Q

What is the one exception of the forearm muscle that is a flexor but located in the posterior compartment and supplied by radial nerve

A

Brachioradialis

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7
Q

What muscles are located in the posterior compartment of the forearm

A

Extensors and supinators

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8
Q

Extensors and supinators of forearms are mostly innervated by what nerve

A

Radial nerve

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9
Q

What fascial layer divides the forearm into functional units

A

Antebrachial fascia

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10
Q

What are the antebrachial fascia examples

A

Palmar aponeurosis, palmar carpal ligament, and flexor retinaculum

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11
Q

Aka of flexor retinaculum

A

Transverse carpal ligament

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12
Q

The tendons of most flexors are held in place by what over anterior wrist

A

Palmar carpal ligament and flexor retinaculum

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13
Q

The flexors can be categorized into what three groups

A

Superficial, intermediate and deep

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14
Q

What are the superficial layer flexor muscles

A

Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, brachioradialis

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15
Q

All the superficial layer of flexors attached proximally by what and where

A

Common flexor tendon to the medial epicondyle

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16
Q

What muscle is in the intermediate layer of the flexors

A

Flexor digitorum superficialis

17
Q

What muscles are in the deep group of the flexor muscles

A

Flexor digitorum profundus, flexor pollicis longus, pronator quadratus

18
Q

What layers of the flexor muscles cross the elbow joint

A

Superficial and intermediate

19
Q

What muscle is absent in 10% of people

A

Palmaris longus

20
Q

What flexor muscle in animals operates the claws

A

Palmaris longus

21
Q

What nerve runs between the two heads of the flexor carpi ulnaris

A

Ulnar nerve

22
Q

In cubital tunnel syndrome what nerve is affected

A

Ulnar nerve

23
Q

What is the brachioradialis the exceptional muscle

A

Located in posterior compartment, innervated by radial nerve, flexor of forearm

24
Q

The long flexors of the digits also flex what

A

Metacarpophalangeal and wrist joints

25
Q

FDP slowly flexes what

A

Fingers

26
Q

FDS is recruited with FDP when what is needed

A

Speed and flexion against resistance are needed

27
Q

What causes decrease in power generated by the FDP and FDS

A

Wrist flexion

28
Q

What increases grip strength

A

Wrist in a neutral position

29
Q

The FDS flexes what phalanges

A

Middle

30
Q

FDP flexes what phalanges

A

Distal

31
Q

What is the prime pronator assisted by the pronator teres

A

Pronator quadratus

32
Q

What pronator plays a role in holding the radius and ulna together

A

Pronator quadratus