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ANA 201 > Elbow Joint > Flashcards

Elbow Joint Flashcards

1
Q

ELBOW JOINT

-is a _____ type of joint

A

synovial

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2
Q

HUMERO ULNAR
Between the _____ of the humerus and ______ of the ulna
-______ joint

A

trochlea

trochlea notch

an hinge

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3
Q

HUMERO RADIAL

  • between the ____ of the humerus and ____ of radius
  • _______ joint
A

capitulum

head

ball and socket

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4
Q

SUPERIOR RADIOULNAR
-between the ____ of the ulna and the ____ of the radius which is held in place by the (delicate or tough?) ______ ligament

A

radial notch

head

tough annular

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5
Q

Fossae above the trochlea & capitulum admit the ____ of the ulna & the ____, respectively, during full (flexion or extension?)

Olecranon fossa admits the _____ during full elbow (flexion or extension

A

coronoid process

radial head

Flexion

olecranon process

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6
Q

Capsule: Is lax at the ____ & ____ to permit ___

A

front; behind

full elbow flexion & extension

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7
Q

The non-articular face s of the elbow joint;,? medial & lateral epicondyles are ______

A

extracapsular

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8
Q

Ligaments of elbow joint

: the capsule is strengthened Medially & Laterally by ______ ligaments

A

collateral

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9
Q

FIBROUS CAPSULE

  • ____ at the front and back but ______ at the sides by ligaments
  • capsule is attached proximally to _____ and _____ anteriorly but not really ______ posteriorly
  • capsule is attached distally to the ____ notch, (anterior or posterior?) border of the ____ and the ___ ligament
A

thin

strengthened

coronoid and radial fossa

oleacranon fossa

trochlea ; anterior; coronoid process; annular

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10
Q

LIGAMENTS

LATERAL LIGAMENT

  • _____ in shape
  • from ______ to _______
A

triangular

lateral epicondyle

annular ligament

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11
Q

AL is attached medially to the _____ of the ____ and clasps, but DOES NOT attach to, the _____ thus free to rotate within the lig.

A

radial notch

ULNA

radial head& neck

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12
Q

MEDIAL LIGAMENT

  • _____ in shape
  • Comprise ___,___,____ bands
  • extends from the _____ of the ____ and the ____ to the _____ of the ____
A

anterior, posterior & middle

medial epicondyle; humerus

olecranon

coronoid process

ulna

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13
Q

ant and post bands of medial ligament areconnected by a (weaker or stronger ?) ____ band

A

Weaker

oblique

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14
Q

ant is ___-like and (weaker or stronger?)

-post is ___-like and (weaker or stronger?)

A

cord; stronger

fan; weaker

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15
Q

ulna nerve passes (anterior or posterior ?) to ______ in the elbow but still serves the _____ ligament

A

posterior

medial epicondyle

ulnar collateral

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16
Q

Movements of ELBOW joint

  • main flexor is ____
  • main extensor is ____
A

brachialis

triceps brachii

17
Q

NERVE SUPPLY of elbow joint

-supplies by ___,___,____,__ nerves

A

median, musculataneous and radial nerves, and ulnar

18
Q

RELATIONS of the elbow joint
Anteriorly: ____ nerve, ____ , ____ artery, _____ muscle

Posteriorly: ____ a ____——

A

median

bicipital aponeurosis

brachial

brachialis

Triceps a small bursa

19
Q

RELATIONS of the elbow joint

Medially: _____ nerve

Laterally: _____ tendon and _____ muscle

A

ulnar

common extensor

20
Q

MOVEMENTS of elbow joint

Flexion (___°): ____,____,—— & ____ muscles

Extension (___°): ____ +_____

A

140 ; Biceps; Brachialis; brachioradialis; forearm flexor

0; Triceps; anconeus

21
Q

Extension by anconeus is to a greater extent compared to extension by triceps brachii

T/F

A

F

22
Q

Movements of elbow joint

Pronation (___°):_____ &____

Supination (___°):_____ , Weaker supinators like _____,_____ and ______)

A

90; pronator teres; pronator quadratus.

90; biceps brachii

Supinator; extensor pollicis longus and brevis

23
Q

biceps is the most powerful supinator.

T/F

A

T

24
Q

Elbow dislocation

  • The classical injury is (anterior or posterior?) dislocation caused by a _____ on the ____
  • It is commonest in _____ whilst ____ is Incomplete
A

posterior

fall on the outstretched hand

children; ossification

25
Q

Nerve injury in elbow joint

  • Ulnar nerve is adjacent to the _____ ligament as it passes forwards (above or below?) the medial epicondyle
  • The nerve is at risk in many types of injury, e.g. fracture dislocations, _____ and even during _____
A

medial collateral

Below

compression

surgical explorations

26
Q

About elbow joint
_____ is the main flexor
_______ is the flexor when it’s supinated
______ is the flexor when it’s pronated

______ assists the flexion

A

Brachialis

Biceps brachii

Pronator teres

Brachioradialis

27
Q

The posterior interosseous nerve (which is just another name for _____ BRANCH OF _____ NERVE), is part of the CUBITAL fossa
T/F

A

DEEP; RADIAL

T

28
Q

tennis elbow.

It’s also called ______

Which is inflammation of the _______

A

Lateral Epicondylitis

lateral epicondyle

29
Q

golfers elbow

Also called _________

Is the inflammation of the ______

A

Medial epicondylitis

medial epicondyle

30
Q

The lateral collateral ligament of the elbow is attached to the neck of radius

T/F

A

F

It’s to annular ligament

31
Q

The elbow joint and Superior radioulnar joint share what and what??

A

Synovial membrane and joint capsule only

32
Q

Annular ligament surrounds the only the head of the radius

T/F

A

F

Surrounds head and upper neck

33
Q

The anterior and posterior bands of the medial collateral ligament both originate from the ______

Anterior band goes anteriorly to attach to _______

Posterior band goes posteriorly to attach to _____

A

medial epicondyle

Coronoid process of the ulna

Olecranon process of the ulna

34
Q

Elbow is a hinge synovial joint

T/F

A

T

35
Q

Ligaments of the elbow joint

A

Fibrous capsule

Medial collateral

Lateral collateral

36
Q

Movements of the elbow joint

A

Flexion and extension

ANA 201 (34 decks)

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