Joints
How many bones make up the wrist joint?
15 bones
How many carpal bones do we have?
8
What are the movements of the wrist joint?
Flexions/Extension
Ulnar Deviation
Radial Deviation
Circumduction
What muscle group am I using to hold a tray of food when serving?
Wrist extensors
What nerve is being compressed in Carpal Tunnel Syndrome?
The Median Nerve
Name the three articulations/joints at the wrist
Radiocarpal Joints
Midcarpal Joints
Intercarpal Joints
Name the carpal bones.
►Scaphoid
►Lunate
►Triquetrumn
►Pisiform
►Trapezium – second row
►Trapezoid
►Capitate
►Hamate
List the tendons that make up the carpal tunnel.
►Flexor Carpi Radialis tendon
►Flexor Pollicis Longus Tendon
►Digitorum Superficialis Tendon
►Digitorium Profundus Tendon
Lunate is distal to the ______.
Lister's Tubercle
What does FOOSH injury stand for?
►Fall On Outstretched Hand- usually results in a fracture.
Distal radius, scaphoid, and lunate
Which carpal bone is most commonly fractured?
Which carpal bone is most commonly dislocated
Scaphoid
Lunate
What muscles produce wrist flexion?
►Flexor Carpi Radialis
►Flexor Carpi Ulnaris
►Palmaris Longus
►Flexor Digitorum Superficialis
What muscle tendons make up the anatomical snuffbox?
Abductor pollicis, Extensor pollicis longus, extensor pollicis brevis
What is it called when a person has a radial nerve motor impairment, as well as loss of wrist, digit, and thumb extension?
WRIST DROP
Which joint sustains 80% of weight bearing force?
Radiocarpal Joint
What bone is the axis point between radial and ulnar deviation?
Capitate
What muscles produce the movement of wrist extension?
►Extensor Carpi Radialis Longus
►Extenstor Carpi Radialis Brevis
►Extensor Carpi Ulnaris
What is the best way to palpate the triquetrum?
Best to palpate when the wrist is radially deviated
What is it called when a person has an ulnar nerve injury, flexion at the 4th and 5th digit PIP and DIP joints, and are unable to fully extend digits?
CLAW HAND
What are the movements of the midcarpal joints?
Flexion/Extension
Rotation
What is the channel between the pisiform and hook of hamate called where the ulnar nerve passes?
Tunnel of Guyron
What muscles produce radial deviation?
►Extensor Carpi Radialis Longus
►Extenstor Carpi Radialis Brevis
►Extensor Pollicus Longus
►Extensor Pollicus Brevis
►Flexor Carpi Radialis
►Abductor Pollicus Longus
The scaphoid bone is opposite the ____.
Pisiform
What does it mean if someone is diagnosed with Hand of Benediction?
►Median Nerve Injury
►Extension of 2nd and 3rd digits
►Unable to fully flex digits