Tendon insertion Action: pad/dab Flexion in MP and extension in IP joints 1 Function: MP flex.

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Tendon insertion

Action:•pad/dab•Flexion in MP and extension in IP joints

Function: MP flex.

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Boutonniere deformity

Swan-neck type deformity

Extensor hood

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Hand

• Bones• Joints• Muscles• Vessels & Nerves

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Radial & Ulnar arteries

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Ulnar artery

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Ulnar artery

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Ulnar artery

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Radial artery

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Radial artery

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Radial artery

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Radial artery

Avascular necrosis of the proximal fragment of the scaphoid

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Radial / Ulnar anastomosis

Coronary bypass

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Radial nerve

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Radial nerve

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Radial nerve

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Injury to the Superficial branch of the radial nerve

Radial nerve

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Radial nerve

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Injury to the deep branch of the radial nerve Radial nerve

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Ulnar nerve

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Ulnar nerve

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Ulnar nerve

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Ulnar nerveCyclist’s Palsy

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Ulnar nerve

How it happens?

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Ulnar Canal Syndrome (Guyon Tunnel Syndrome)

•Difficulty making a fist (claw hand)

Ulnar nerve

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Review

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Review

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Review

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Review

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Review

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