1. The Wrist, Hand, & Fingers Skills Lab #4: Palpations

2. Instructions 1.Palpate the anatomical structures on your partner 2.Label the structures using various colored pens 1.Use a different color for each aspect, or a different color for bones, muscles, ligaments, etc. 2.Mark each with #s for easier identification

3. Anterior Palpations (Palmar) Skeletal 1.Radial styloid process 2.Ulnar styloid process 3.Pisiform 4.Hamate (hook) 5.Lunate 6.Scaphoid 7.1 st MCP joint

4. 1 2 3 4 5 6 7

5. Anterior Palpations (Palmar) Soft Tissue 1.Flexor carpi radialis 2.Palmaris longus 3.Flexor carpi ulnaris 4.Thenar eminence 5.Hypothenar eminence 6.Thenar webspace

6. 1 2 3 4 5 6

7. Posterior Palpations (Dorsal) Skeletal 1.Metacarpals 3.Phalanges 9.Ulnar head 10.Ulnar styloid process 12.Radial styloid process A.Scaphoid B.Trapezium C.Lunate D.Triquetrum E.Pisiform (anterior) F.Hamate G.Capitate H.Trapezoid

9. Posterior Palpations (Dorsal) Soft Tissue 2.Collateral ligaments of MCPs (RCL & UCL of each digit) 4.Collateral ligaments of IPs (RCL & UCL of each joint) 6.Thenar webspace 11.Ulnar collateral ligament of the wrist 14.Radial collateral ligament of the wrist

11. Posterior Palpations (Dorsal) Soft Tissue 1.Extensor carpi ulnaris 2.Extensor carpi radialis brevis 3.Extensor carpi radialis longus 4.Extensor digitorum

12. 1 2 3 4

13. Posterior Palpations (Dorsal) Soft Tissue 1.Abductor pollicis longus & extensor pollicis brevis 2.Extensor pollicis longus 3.Scaphoid

14. 1 2 3

15. REVIEW QUESTIONS (2pts each) 1.Describe how to best palpate the muscles that flex the wrist. 2.Describe how to differentiate between the wrist extensors and the extensor digitorum muscle. 3.What is the term for the area between the APL/EPB and EPL muscles? What bone is located within that area?

16. ANSWERS 1._____________________________________ _____________________________________ _____________________________________ _____________________________________ 2._____________________________________ _____________________________________ _____________________________________ _____________________________________ 3._____________________________________ _____________________________________ _____________________________________ _____________________________________