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Upper Limb Physiotherapy (PHTY206) > Elbow Complex > Flashcards

Elbow Complex Flashcards

0
Q

What is the carrying angle and why is it formed?

A

5-20 degrees

Trochlea of the humerus extends further distally than does the capitulum

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1
Q

What is the structure of the elbow?

A

Compound joint

Stable bony arrangement

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2
Q

What is the flexible ROM at the elbow?

A

145 degrees

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3
Q

How many joints make up the elbow complex? What are they called?

A

3
Radio-humeral
Superior radio-ulnar
Humeral-ulnar joint

All surrounded by loose capsule

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4
Q

What makes up the humero-ulnar joint? What plane is it in?

A

Hinge joint between trochlear notch and trochlea of humerus

Not in ant-post plane and so carrying angle in extension/sup formed

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5
Q

What does the semi lunar joint do?

A

Prevents lateral movement in humero-ulnar joint

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6
Q

What prevents lateral movement at humero-ulnar joint?

A

Semi lunar notch ulna

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7
Q

Anatomy of the radiohumeral joint?

A

Limited ball and socket hinge joint

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8
Q

How is the HOR held in the radial notch?

A

Annular ligament

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9
Q

Structure of radio ulnar joint?

A

Covers 80% of radial head

Thicker posteriorly > ant

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10
Q

What does the radio ulnar joint allow?

A

Together allow supination and pronation

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11
Q

What are the four major ligaments of the elbow?

A

Ulnar collateral
Radial collateral
Annular
Quadrate

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12
Q

What makes up the ulnar collateral ligament?

A

Anterior oblique band
Posterior band
Intermediate band

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13
Q

Where is the anterior oblique band?

A

Anterior medial epicodyle to coronoid process

Ulnar nerve crosses this section

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14
Q

Where is the posterior band of the ulnar collateral ligament?

A

Posterior medial epicodyle to coracoid process

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15
Q

What does the ulnar collateral ligament do?

A

Resists abduction force

16
Q

What levels is the ulnar nerve, where is it in the brachial plexus?

A

C8-T1

Part of medial cord of the brachial plexus

17
Q

What is the path if the ulnar nerve?

A

Descends on the posteromedial aspect of the humerus
Travels through cubital fossa at elbow
Enters the anterior (flexor) compartment of the forearm through the two heads of FCU and runs alongside the ulna

18
Q

What cord/s of the brachial plexus form/s the median nerve?

A

Lateral and medial

19
Q

What do the lateral and medial cords of the brachial plexus form?

A

The median nerve

Upper Limb Physiotherapy (PHTY206) (8 decks)

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