Metacarpal phalanges Joint Flashcards by Jared winston | Brainscape

Q

what type of joints are they?

A

condyloid

convex MC heads—-concave proximal phalanges

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Q

What movements?

A

flex/ ext., Abd./Add.

only ABD when MCP extended

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Q

MCP ligaments

A

Medial and lateral collateral

2. palmar plate

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Q

medial and lateral collateral

A

2 parts cord and fan like

slack in extension, taut in flexion

prevent ABD in flexion

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Q

Cord-like

A

head of MC—phalange

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Q

fan like

A

pass anteriorly to palmar plate

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Q

Palmar plate

A

anterior side of capsule

helps flexor tendon glide w/o impingement

connected by deep transverse MC ligament

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