Anatomy of the forearm Flashcards

(35 cards)

1
Q

What are the msucles of the posterior compartment?

A

Triceps brachii

Anconeus

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2
Q

What are the three heads of the triceps?

A

Long head
Lateral head
Medial head

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3
Q

What are the five parts at the end of the distal humerous?

A
Medial epicondyle
Coronoid fossa 
Lateral Epicondyle
Trochlea 
Capitulum
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4
Q

What is the the medial epichondyle also known as?

A

the funny bone

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5
Q

What do most flexor muscles originate from?

A

Ulna nerve

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6
Q

Where do most extensor muscles originate from?

A

Lateral epicondyle

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7
Q

What does the head of the radius and radial notch form?

A

proximal radioulnar joint

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8
Q

What is the function of radial tuberosity?

A

Insertion of biceps muscle

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9
Q

What are the two joints at the elbow complex?

A

Elbow joint

Radioulnar joint`

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10
Q

What are the two articulations of the elbow joint?

A

Trochlear notch of the ulna and the trochea of the humerus

Head of the radius and the capitulum of the humerus

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11
Q

What forms the annular ligament?

A

Head of radius and radial notch of ulna

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12
Q

What is between the ulna and radius?

A

Interosseous membrane (fibrous)

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13
Q

What does the head of ulna and the ulnar notch of the radius form?

A

Anterior and posterior radio-ulnar ligaments

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14
Q

What is the proximal radioulnar articulation?

A

A synovial pivot joint between the circumference of the head of the radius and the ring formed by the radial notch of the ulna and the annular ligament

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15
Q

Upon supination what is the position of the supinator and biceps brachii?

A

Contracted

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16
Q

What is the tendon of the cubital fossa made of?

A

Dense regular CT

17
Q

What does the bicipital aponeurosis cover?

A

Medial nerve and brachial artery

18
Q

What is present in the cubital fossa?

A
Really Need Beer To Be At My Nicest
Radial 
Nerve 
                                          posterior 
Biceps 
Tendons 

Brachial
Artery

Medial
Nerve

19
Q

What is another word for the forearm?

20
Q

What are the three layers of the anterior compartment of the antebrachium?

A

Superficial

Intermediate and Deep

21
Q

Where is the point of origin of the flexors and what is it called?

A

Common flexor tendon on the medial epicondyle

22
Q

What is the flexor carpi radailis innervated by?

23
Q

What are the four superficial muscles of the anterior compartment of the forearm?

A

Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris

24
Q

What is the intermediate muscle of the anterior compartment of the forearm?

A

Flexor Digitorum Superficialis

25
What are the 3 deep muscles of the anterior compartment of the forearm?
Flexor digitorum profundus Flexor pollicis longus Pronator quadratus
26
What ligament forms the carpal tunnel?
Transverse carpal ligament
27
What are the two layers of the posterior compartment of the antebrachium?
Superficial and deep
28
What is the point of origin of the extensors and where is it?
The common extensor tendon on the lateral epicondyle
29
What are the six superficial muscles of the posterior surface of the antebrachium?
``` Brachioradialis Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris ```
30
What is the only flexor innervated by the radial nerve?
Brachioradialis
31
What nerve innervates the extensors of the forearm?
Radial nerve
32
What nerve innervates the flexors of the forearm?
median nerve but 1 1/2 innervated by ulnar nerve
33
What are the 5 deep muscles of the deep compartment of the antebrachium?
``` Supinator Abductor Pollicis Longus Extensor Pollicis Longus Extensor Pollicis Brevis Extensor Indicis ```
34
What are the two arteries of the antebrachium?
radial and ulnar artery
35
What innervates flexor carpi ulnaris?
ulnar nerve