Term
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Definition
| Middle and pointer finger |
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Term
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| carpometacarpal joint, saddle joint, is made up of the carpals (trapezium) bone and articulates with the base of the 5th metacarpal, allows flexion/extension/abd/add/opposition/reposition |
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Term
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Definition
| metacarpophalengeal joint, hinge joint, is made up of the top of the 5th metacarpal and articulates with the base of the proximal phalange, allows flexion/extension |
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Definition
| Interphalengeal joint, hinge joint, is made up of both phalanges, allows flexion/extension |
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| carpometacarpal joints, synovial joints, stability not mobility, carpals articulate with the metacarpals, accessory motion allows minimal opposition, second and third aren't mobile |
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Term
| MCP joints of the fingers |
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Definition
| metacarpophalangeal joints, condyloid joints, metacarpals articulate with proximal phalangeas, allow abduction and adduction flexion extension and hyper extension |
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Term
| PIP joints of the fingers |
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Definition
| Proximal interphalangeal joints, hinge joints, is made up of proximal and middle phalanges, allow flexion and extension |
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Term
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Definition
| Distal interphalangeal joints, hinge joints, is made up of middle and distal phalanges, allow flexion and extension |
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Term
| How many metacarpals and phalanges are there? how many phalanges does the thumb have and how many do the fingers have? |
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Definition
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Term
| Parts of the metacarpals and phalanges |
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Definition
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Term
| Flexor retinaculum ligament |
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Definition
| spans anterior surface of wrist, runs horizontally, holds tendons close to wrist which prevents tendons from pulling away, Prevents the 2 sides of carpal bones from spreading apart/separating, made up of 2 parts transverse carpal ligament and the palmar carpal ligament |
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Term
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Definition
| attaches to the styloids of the ulnar and radius and crosses over the flexor muscles, more superficial and proximal |
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Term
| Transverse carpal ligament |
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Definition
| Attaches to carpals and arches over the carpal bones which form a tunnel for nerves and muscles to pass through, more deep and distal |
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Term
| Extensor retinaculum ligament |
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Definition
| stretches across distal portion of hand, holds extensor tendons close to the wrist especially during wrist extension |
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Term
| Extensor expansion ligament |
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Definition
| AKA extensor hood, Flat covering of the heads of the metacarpals (knuckles) (make a fist and extend) |
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Term
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Definition
| Create the cupped shape of a relaxed hand, contribute to functions of grasps |
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Definition
| Formed by proximal end of the metacarpals (base) and carpal bones and is maintained by the flexor retinaculum. |
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Definition
| Formed by the metacarpal heads |
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Definition
| Begins at the wrist and runs the length of the metacarpals and phalanges for each finger |
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Definition
| Depression between thumb extensor muscles |
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Term
| Extensor Digitorum (extrinsic) |
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Definition
O:Lateral epicondyle
I:Base of distal phalanx of second through fifth digits
A:Extends MCP, PIP, and DIP of fingers |
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Term
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Definition
| Muscles that work to move the thumb |
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Term
| Hypothenar/Hypothenar eminence |
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Definition
| Muscles that work to move the pinky finger |
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Term
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Definition
| Flexors and medial epicondyle |
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Term
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Definition
| Extensor and lateral epicondyle |
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Term
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Definition
| Wrist fracture, de Quervain's disease, Carpal tunnel syndrome, Trigger finger, Skiers thumb, Game keepers thumb, Dupuytren's contracture |
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Definition
| Where it is most strongest/most optimal grasps |
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Definition
| Used when holding/moving something forcefully (lifting weights such as a deadlift), Types= cylindrical, spherical, and hook |
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Definition
| power grip, thumb around (holding a baton or bat), variation is thumb on top (holding a screw driver) |
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Definition
| power grip, all fingers around (carrying a jar by the lid) |
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| power grip, hooks fingers minus the thumb (holding a handle to a bag) |
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| when an object needs to be manipulated (holding a pen), Types=pinch, three-saw chuck, pad-to-side, side-to-side, lumberical |
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| precision grip, thumb and 1 finger (index)(picking up a coin) |
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Definition
| Precision grip, holding a pencil |
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Definition
| precision grip, holding car keys on either side |
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Definition
| precision grip, pen between fingers |
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Definition
| precision grip, holding a plate |
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Term
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Definition
O:Trapezium and floor of retinaculum
I:First metacarpal
A:Opposes the thumb |
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Term
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Definition
O:Trapezium and floor of retinaculum
I:First metacarpal
A:Opposes the thumb |
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