Forearm Upper Limb Anatomy Notes

Forearm Upper Limb Anatomy Notes

Front Of Forearm

Question 1. Describe the flexor retinaculum at the wrist in brief.
Answer.

The flexor retinaculum is a strong fibrous band formed by the thickening of deep fascia in front of the carpal bones (anatomical wrist). It bridges the anterior concavity of the carpus and converts it into an osseofibrous tunnel called the carpal tunnel.

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Flexor Retinaculum at Wrist  Attachments

Flexor Retinaculum at the Wrist is rectangular and attached as follows:

• Medially, to the pisiform bone and the hook of the Hamate
• Laterally, to the tubercle of the scaphoid and the crest of the trapezium

Forearm Upper Limb Anatomy Notes

“Understanding the anatomy of the forearm and upper limb”

“Techniques for managing high-risk groups with injuries”

Flexor Retinaculum at Wrist Features

• Converts the concavity of carpus into an osseofibrous tunnel – the carpal tunnel.
• Proximally, it gives attachment to the tendon of palmaris longus.
• Distally, it gives attachment to the apex of the palmar aponeurosis.

Anatomy of the Forearm Upper Limb

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Flexor Retinaculum at Wrist Superficial Relations

These are

• Ulnar artery and nerve
• Palmar cutaneous branch of median nerve
• Tendon of palmaris longus
• Superficial palmar branch of radial artery

“Importance of studying forearm anatomy for healthcare professionals”