Carpal tunnel

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Which intrinsic hand muscles are innervated by the median nerve?

(LOAF) - Lateral two lumbricals - Opponens pollicis - Abductor pollicis brevis - Flexor pollicis brevis

What structures pass through the carpal tunnel? (4)

- Median nerve - Flexor digitorum profundus tendons - Flexor digitorum superficialis tendons - Flexor pollicis longus tendon

Common aetiologies of carpal tunnel syndrome?

- Pregnancy - Wrist injuries - Repetitive, strenuous work (e.g. tool work) - Diabetes - RA - Acromegaly

Management options for carpal tunnel?

Conservative - splints, avoid exacerbating factors Medical - NSAIDs, steroid injections Surgical - decompression

What structure forms the anterior boarder of the carpal tunnel?

Flexor retinaculum of the hand

What is the sensory innervation of the median nerve?

Lateral 3 1/2 digits

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