Forearm (Flexor) + Wrist Flashcards
Wrist joint proper between ___ and ___
Radius and Carpals
Inferior Radio-Ulna Joint two parts
- Head of Ulna into Ulnar Notch of Radius
- Styloid Process (ulna) onto fibrous articular disc (rad)
Fibrous Articular Disc function
Seperates ulna from wrist joint proper
Interosseous membrane function
- Holds Ulna and Radius together
- Muscle attachment
- Force transmission
4 Things holding radius and ulna together
- Sup rad-ulna joint
- Inf rad-ulna joint
- Annular Ligament
- Interosseous membrane
3 Joints of the wrist joint proper
- Radio-carpal
- Midcarpal
- Carpometacarpal
Carpal Bones
Lat -> Med
1. Scaphoid 2. Lunate 3. Triquetral 4. Pisiform
5. Trapezium 6. Trapezoid 7. Capitate 8. Hamate
Most damaged carpal bone
Scaphoid
Carpal Tunnel Floor
Carpals
Carpal Tunnel Roof
Flexor Retinaculum
What passes through the carpal tunnel
- Median Nerve
- Tendons of Flexor Pollisis Longus, Flexor Digitorum Superficialis, Flexor Digitorum Profundus
Superifical Flex/Pro Forearm Muscles
Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris
Intermediate Flex/Pro Forearm Muscle
Flexor Digitorum Superficialis
Deep Flex/Pro Forearm Muscles
Flexor Pollicis Longus
Pronator Quadratus
Flexor Digitorum Profundus
Flex/Pro (almost all) forearm muscle Nerve
Median
Flexor Carpi Ulnaris Nerve
Ulnar
Which muscle Flex/Pro Forearm has both Median and Ulnar nerves
Flexor Digitorum Profundus
Pronator Teres Origin
Suprachondyle Ridge
Pronator Teres Insertion
Radius