| 1. | The palmar carpal ligament lies superficial and proximal to the flexor retinaculum.
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| 2. | The opponens pollicis originates on the tubercle of the trapezium and the flexor retinaculum.
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| 3. | When surgery is needed, the flexor retinaculum is either completely severed or lengthened.
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| 4. | Here it is bound down by the flexor retinaculum in company with the posterior tibial artery.
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| 5. | The tarsal tunnel is delineated by bone on the inside and the flexor retinaculum on the outside.
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| 6. | The opponens pollicis originates from the flexor retinaculum of the hand and the tubercle of the trapezium.
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| 7. | The flexor retinaculum is continuous with the palmar carpal ligament, and deeper with the palmar aponeurosis.
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| 8. | Four long tendons come off this muscle near the wrist and travel through the carpal tunnel formed by the flexor retinaculum.
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| 9. | The fibers end in a flattened tendon, which passes beneath the flexor retinaculum of the hand through the carpal tunnel.
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| 10. | Superficial to the carpal tunnel and the flexor retinaculum, the ulnar artery and ulnar nerve pass through the ulnar tunnel.
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