
AYURVED CREATION
February 21, 2025 at 10:40 AM
*✨ AYURVED CREATION ✨*
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🔥 *No: 06 – CARPUS* 🔥
⭐ *CARPUS*
made of 8 carpal bones.
arranged in two rows.
*Proximal row:*
i. *Scaphoid* ⭐ – Boat-shaped and has a tubercle on its lateral side.
ii. *Lunate* ⭐ – Half-moon-shaped or crescentic.
iii. *Triquetral* ⭐ – Pyramidal and has an isolated oval facet on the distal part of the palmar surface.
iv. *Pisiform* ⭐ – Pea-shaped and has only one oval facet on the proximal part of its dorsal surface.
*Distal row:*
i. *Trapezium* ⭐ – Quadrangular and has a crest and a groove anteriorly. It has a Sellar (concavo-convex) articular surface distally.
ii. *Trapezoid* ⭐ – Resembles the shoe of a baby.
iii. *Capitate* ⭐ – The largest carpal bone, with a rounded head.
iv. *Hamate* ⭐ – Wedge-shaped with a hook near its base.
⭐ *Proximal row is convex proximally, and concave distally.*
⭐ *Distal row is convex proximally and flat distally*
Each bone has *6 surfaces*:
• *Palmar and dorsal surfaces* are non-articular, except for the triquetral and pisiform.
• *Lateral surfaces* of the two lateral bones (scaphoid and trapezium) are non-articular.
• *Medial surfaces* of the three medial bones (triquetral, pisiform, and hamate) are non-articular.
• *Dorsal non-articular surface* is always larger than the palmar non-articular surface, except for the lunate, in which the palmar surface is larger than the dorsal.
1️⃣ *Scaphoid* ⭐ – Tubercle directed laterally, forward, and downwards.
2️⃣ *Lunate* ⭐ – Small semilunar articular surface for the scaphoid is on the lateral side and the quadrilateral articular surface for the triquetral is on the medial side.
3️⃣ *Triquetral* ⭐ – Oval facet for the pisiform lies on the distal part of the palmar surface.
4️⃣ *Pisiform* ⭐ – Oval facet for the triquetral lies on the proximal part of the dorsal surface and lateral surface is grooved by the ulnar nerve.
5️⃣ *Trapezium* ⭐ – Palmar surface has a vertical groove for the tendon of the flexor carpi radialis and is limited laterally by the crest of the trapezium.
6️⃣ *Trapezoid* ⭐ – Distal articular surface is larger than the proximal.
7️⃣ *Capitate* ⭐ – Dorsomedial angle is the distal-most projection from the body of the capitate and has a small facet for the 4th metacarpal bone.
8️⃣ *Hamate* ⭐ – Hook projects from the distal part of the palmar surface and is directed laterally.
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*AYURVED CREATION ❤️✨*
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