Thenar Hand Muscles Flashcards by Andrew Fernandez | Brainscape

Q

Opponens Pollicis

A

Origin: Flexor retinaculum and tubercles of scaphoid and trapezium

Insertion: Lateral Side of 1st metacarpal

Innervation: Recurrent Branch of Median Nerve (C8, T1)

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Q

Flexor Pollicis Brevis (superficial and deep heads)

A

Origin: Flexor retinaculum and tubercles of scaphoid and trapezium

Insertion: Lateral side of base of proximal phalanx of thumb

Innervation: Recurrent Branch Median Nerve (C8, T1)

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Q

Abductor Pollicis Brevis

A

Origin: Flexor retinaculum and tubercles of scaphoid and trapezium

Insertion: Lateral side of base of proximal phalanx of thumb

Innervation: Recurrent Branch of Median Nerve (C8, T1)

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