WRIST JOINT

Delve into the intricate details of the wrist joint, including its bony anatomy, ligaments, and complex motions. Understand the carpal bones arrangement and joint support structures. Explore the functionality of flexor carpi ulnaris and learn about the wrist's articulation and movement. Enhance your knowledge of wrist joint complexities with detailed images and descriptions.

• Wrist Joint
• Anatomy
• Function
• Carpal Bones
• Ligaments

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Uploaded on Feb 24, 2025 | 0 Views

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Presentation Transcript

1. WRIST JOINT Lippert Chapter 12 PTA 110 2020

2. Wrist Motions Flexion Supination Extension Radial Deviation Pronation Ulnar Deviation

3. RADIOCARPAL Joint PROXIMALLY DISTAL RADIUS RADIOULNAR DISK DISTALLY 1st ROW of CARPALS Scaphoid Lunate Triquetrium (Pisiform)

4. WRIST COMPLEX MID-CARPAL (Intercarpal) Between 2 Carpal Rows 1st ROW (same S,L,T,P) 2nd ROW Trapezium near the thumb Trapezoid Capitate Hamate

5. JOINT DESCRIPTIONS RADIOCARPAL CONDYLOID CONCAVE ON CONVEX Bi-axial MIDCARPAL PLANE JOINTS GLIDING MOTIONS NON-AXIAL SYNOVIAL Joint capsule Ligamentous Support Extensive ligamentous Support Movement in joints contributes to wrist motion Articular disk is part of Joint, Ulna is Non- articular

6. Remembering the carpal bones Row #1 (From lateral to medial) So Long To Pinky Scaphoid, Lunate, Triquetrum, Pisiform Or reverse order (medial to lateral) PTLS: Physical Therapists Love S ------ Row #2 (From medial to lateral) Here Comes The Thumb Hamate, Capitate, Trapezoid, Trapezium

7. BONY ANATOMY (Palmar - Left) Lateral (Thumb side) Medial Hamate Capitate Trapezium Trapezoid Pisiform Scaphoid Lunate Triquetrium

8. LIGAMENTS AND JOINT SUPPORT RADIAL COLLATERAL ULNAR COLLATERAL PALMAR RADIOCARPAL DORSAL RADIOCARPAL

9. OTHER WRIST NOTES JOINT CAPSULE Strengthened by all ligaments ARTICULAR DISK Articulates with Triquetrium & Lunate (TFCC) Fills gap below ulna PALMAR FASCIA Palmar Aponeurosis

10. FLEXOR CARPI ULNARIS Medial Epicondyle O Pisiform Base of 5thMetacarpal Wrist Flexion Ulnar Deviation I A Ulnar Nerve C8, T1 N

11. FLEXOR CARPI RADIALIS Medial Epicondyle O Base of 2nd & 3rd I Wrist Flexion Radial Deviation A Medial Nerve C6, C7 N

12. PALMARIS LONGUS Medial Epicondyle O Palmar Fascia I Assistive in Wrist Flexion A Median Nerve (c6,c7) N

13. Changing Epicondyles Different Action Different Nerves Some collaborations Ulnar / radial deviation Maintaining Neutral Wrist / Grip

14. EXTENSOR CARPI RADIALIS LONGUS Supracondylar Ridge of Humerus O Base of 2nd Metacarpal I Wrist Extension Radial Deviation A Radial Nerve (C6,C7) N

15. EXTENSOR CARPI RADIALIS BREVIS Lateral Epicondyle O Base of 3rd Metacarpal I Wrist Extension A Radial Nerve (C6, C7) N

16. EXTENSOR CARPI ULNARIS Lateral Epicondyle O Base of 5th Metacarpal I Wrist Extension Ulnar Deviation A Radial Nerve (C6, C7, C8) N

17. Grouping By Nerve for lab Referring to the Chapter on Nervous System will also help with this. Median Radial Ulnar

18. Grouping By Action for Lab WristExtension WristFlexion WristDeviations