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
FDP slowly flexes what
Fingers
26
FDS is recruited with FDP when what is needed
Speed and flexion against resistance are needed
27
What causes decrease in power generated by the FDP and FDS
Wrist flexion
28
What increases grip strength
Wrist in a neutral position
29
The FDS flexes what phalanges
Middle
30
FDP flexes what phalanges
Distal
31
What is the prime pronator assisted by the pronator teres
Pronator quadratus
32
What pronator plays a role in holding the radius and ulna together
Pronator quadratus