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BIO- MTH
The wrist and hand
| Question | Answer |
|---|---|
| Starting from the radial side the proximal carpal bones are... | Scaphoid, Lunate, Triquetrum, and Pisiform |
| Starting from the radial side the distal carpal bones are... | Trapezium, Trapezoid, Capitate, and Hamate |
| Full ROM at the wrist involves movement at the... | radiocarpal and midcarpal joints |
| Extensors of the forearm | Extensor carpi ulnaris, Extensor carpi radilais longus, Extensor carpi radialis brevis, and Extensor digitorum |
| Flexors of the forearm | Flexor carpi ulnaris, Flexor carpi radialis, Flexor digitorum superficialis, and Flexor pollicis longus |
| What is the proximal attachment for the posterior extensor muscles of the forearm? | The lateral epicondyle of the humerus |
| What is the distal attachment for the posterior extensor muscles of the forearm? | Carpals and Metacarpals |
| Posterior extensor and anterior flexor muscles of the forearm achieve what action? | Wrist extension |
| What is the proximal attachment for the anterior flexor muscles of the forearm? | Medial epicondyle of the humerus |
| What is the distal attachment for the anterior flexor muscles of the forearm? | Carpals and metacarpals |
| Lateral epicondylitis involves inflammation of the common extensor tendon and is often referred to as? | Tennis Elbow |
| Medial epicondylitis involves inflammation of the common flexor tendon and is often referred to as? | Golfer's Elbow |
| The knuckles are also called.. | The MCP(metacarpalphalangeal) and the IP (DIP: Distal interphalangeal and PIP: proximal interphalangeal) joints |
| The shapes of the carpal bones form a natural arch that is concave on the palmar side. The flexor retinaculum spans the concavity, forming... | The carpal tunnel |
| The tendons of the extensor pollicis brevis and the extensor pollicis longus. Also the Scaphoid bone creates what? | The anatomical snuff box |
| What are the three intrinsic muscles of the hand? | Thenar muscles, hypothenar muscles, and the deep palm muscles |