Term
| If the ulna is longer, it demonstrates positive variance meaning |
|
Definition
| more likely to entrap a feature |
|
|
Term
| If the ulna is shorter, it demonstrates negative variance meaning |
|
Definition
| less likely to entrap a feature |
|
|
Term
| A long ulna demonstrates what |
|
Definition
|
|
Term
| a shorter ulna demonstrates what |
|
Definition
|
|
Term
| what are the 3 arches of the hand |
|
Definition
| longitudinal, proximal transverse, distal transverse |
|
|
Term
| what makes up the longitudinal arch of the hand |
|
Definition
| wrist to finger tips, lunate, capitate, and third metacarpal |
|
|
Term
| the longitudinal arch of the hand lows what |
|
Definition
|
|
Term
| the proximal transverse arch of the hand is made up of what? |
|
Definition
|
|
Term
| the distal transverse arch of the hand is made of what? |
|
Definition
|
|
Term
| the distal transverse arch of the hand allows for what |
|
Definition
| mobile, adaptation to different shapes |
|
|
Term
| the scaphoid has what angulation? |
|
Definition
|
|
Term
| what are the 7 components of the fibrous anatomy of the hand? |
|
Definition
| dorsal ligaments, volar ligaments, triangular fibrocartilage complex (TFCC), Flexor Retianculum, Collateral ligaments, pulley system, palmar fascia |
|
|
Term
| which is stronger volar or dorsal carpal ligaments |
|
Definition
|
|
Term
| what is the role of the volar carpal ligaments |
|
Definition
| prevent wrist/hand extension |
|
|
Term
| the volar carpal ligaments are made up of what |
|
Definition
| radiocarpal, ulnocarpal ligaments both intrinsic and extrinsic |
|
|
Term
| the dorsal carpal ligaments are made up of what |
|
Definition
| radiocarpal and radial and ulnar collateral ligaments, intercarpal ligaments |
|
|
Term
| what is the role of the dorsal carpal ligaments |
|
Definition
| stabilize carpus, check flexion of teh wrist and hand |
|
|
Term
| the triangular fibrocartilage complex-TFCC is made up of what (7) |
|
Definition
| dorsal/volar radioulnar ligaments, ulnar collateral ligament, articular disc, ulnolunate, ulnotriquetral ligaments, sheath of extensor carpi ulnaris |
|
|
Term
| What is the role of the TFCC |
|
Definition
| stabilizes radioulnar joint/carpals, cushion for the ulna |
|
|
Term
| Flexor Retinaculum/Transverse Carpal Ligament spans what |
|
Definition
| carpal gutter and form a tunnel |
|
|
Term
| the flexor retinaculum/transverse carpal ligament provides what |
|
Definition
| extrinisic flexor tendons with a pulley to maximize tendon function |
|
|
Term
| if teh flexor retinaculum/transverse carpal ligament is disrupted what happens |
|
Definition
| creates a bowstringing effect on tendons, reducing grip strength |
|
|
Term
| What is the lateral attachment of the transverse carpal ligament/flexor retinaculum |
|
Definition
|
|
Term
| What is the medial attachment of the transverse carpal ligament/flexor retinaculum |
|
Definition
| pisiform, hook of hammate |
|
|
Term
| the collateral ligaments are taught in flexion at which joint |
|
Definition
|
|
Term
| at the MCPs the collateral ligaments are taught during |
|
Definition
|
|
Term
| the collateral ligaments are taught in extension at which joint |
|
Definition
|
|
Term
| at the PIP and DIP the ligaments are taught during |
|
Definition
|
|
Term
| How should the fingers be positioned to immobilize the collateral ligaments |
|
Definition
| 60-70 MCP flexion, extension of IPs |
|
|
Term
| What makes up the digital pulley system |
|
Definition
| annular and cruciate pulleys |
|
|
Term
| How many annular pulleys are tehre |
|
Definition
|
|
Term
| how many cruciate pulleys are there |
|
Definition
|
|
Term
| which pulley is at the joint? |
|
Definition
|
|
Term
| where are the cruciate pulleys located |
|
Definition
| inbetween the annular pulleys |
|
|
Term
| Which annular pulleys contribute significantly to grip strength |
|
Definition
|
|
Term
| Proximal to distal, what is the order of the annular and cruciate pulleys |
|
Definition
| A1, A2, C1, A3, C2, A4, C3, A5 |
|
|
Term
| Loss of a pulley creates what |
|
Definition
|
|
Term
| the digital pulley system is responsible for what (3) |
|
Definition
| increasing moment arm, increasing torque, decreasing ROM |
|
|
Term
| what are the components of the palmar fascia |
|
Definition
| superficial fascia, palmar compartments, deep palmar and dorsal components |
|
|
Term
| what is the function of the palmar fascia |
|
Definition
| to house, and protect tendons and neurovascular structures of the hand |
|
|
Term
| if the palmar fascia becomes contracted what happens |
|
Definition
|
|
Term
| How many flexor tendon zones are there |
|
Definition
|
|
Term
| What is zone 1 of the flexor tendons? |
|
Definition
| B/w insertion of flexor digitorum profundus and flexor digiti superficialis tendons |
|
|
Term
| What is Zone 2 of the flexor tendons? |
|
Definition
| b/w insertion of flexor digitorum superficialis and proximal end of annular pulley 1 |
|
|
Term
| Zone 2 of the flexor tendons is also known as what |
|
Definition
|
|
Term
| zone 3 of the flexor tendons is made up of what |
|
Definition
| b/w Annular 1 pulley and distal transverse carpal ligament |
|
|
Term
| flexor tendon zone 4 is made up of what |
|
Definition
|
|
Term
| zone 5 of the flexor tendons is made up of what |
|
Definition
| b/w proximal edge of transverse carpal ligament and musculotendinous junction of flexor tendons |
|
|
Term
| the synovial sheaths are located where |
|
Definition
| deep to fibrous sheaths of fingers and wrist |
|
|
Term
| what is the role of the synovial sheaths |
|
Definition
| reduce friction to optimize tendon sliding, provide nutrition to tendons |
|
|
Term
| motion is lotion for what |
|
Definition
|
|
Term
| how many extensor compartments/tunnels are there |
|
Definition
|
|
Term
| Extensor compartments/tunnels 1 |
|
Definition
| Abductor pollicis longus, extensor pollicis brevis |
|
|
Term
| Extensor compartments/tunnels 2 |
|
Definition
| extensor carpi radialis longus and extensor carpi radialis brevis |
|
|
Term
| Extensor compartments/tunnels 3 |
|
Definition
|
|
Term
| extensor compartment tunnels 4 |
|
Definition
| extensor digitorum communus, extensor indicic |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| How many extensor tendon zones are there |
|
Definition
|
|
Term
| extensor tendon zones 1&2 |
|
Definition
| insertion of extensor digitorum communus, & retinacular ligaments into extensor digitorum comminus |
|
|
Term
| extensor tendon zones 3&4 |
|
Definition
| central slip to middle phalanx, PIP, retinacular ligaments, extensor hood, lateral bands |
|
|
Term
|
Definition
|
|
Term
|
Definition
| MC neck to Carpimetacarpal joints |
|
|
Term
|
Definition
|
|
Term
| the extensor mechanism allows for what action with flexion of MCP |
|
Definition
|
|
Term
| what transmits tension for active motion of the fingers and stabilizes joints of fingers |
|
Definition
|
|
Term
|
Definition
| Examining the palmar surface during radial and ulnar arterial compression, and how quickly color returns to the hand |
|
|
Term
| where can the median nn be compressed |
|
Definition
|
|
Term
| median nn supplies sensory to which digits |
|
Definition
|
|
Term
| the median nn supplies motor to which muscles |
|
Definition
| flexor pollicis brevis, opponens pollicis brevis, abductor pollicis brevis, lateral two lumbricals |
|
|
Term
| How does one diagnosis median nn dysfunction in the hand |
|
Definition
| anterior interosseous test (pinch test) |
|
|
Term
| A negative anterior interosseous (pinch) test would produce what sort of results? |
|
Definition
| thumb and pointer finger form ok sign normally |
|
|
Term
| a positive anterior interosseous (pinch test) would look like what |
|
Definition
| thumb and pointer finger make a triangular ok sign |
|
|
Term
| the ulnar nn may be compressed where |
|
Definition
|
|
Term
| the ulnar nn provides sensory to which digits |
|
Definition
|
|
Term
| the ulnar nn provides motor to which muscle |
|
Definition
| abductor digiti minimi, flexor digiti minimi, opponens digiti minimi, medial 2 lumbricals, all 7 interosseous, adductor pollicis, flexor pollicis brevis |
|
|
Term
| How does one test for ulnar nn weaknes |
|
Definition
|
|
Term
| how is a froment's sign test conducted? |
|
Definition
| ptnt grips paper with thumb and forefinger, PT pulls on paper, if thumb is not straight, positive sign |
|
|
Term
| the radial nn provides sensory to where |
|
Definition
| dorsum of hand, thumb radially |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| wrist rom: radial deviation |
|
Definition
|
|
Term
| wrist rom: ulnar deviation |
|
Definition
|
|
Term
| wrist rom: supination/pronation |
|
Definition
|
|
Term
| wrist functional position |
|
Definition
| slight extension (20), slight ulnar deviation (10), fingers slightly flexed at all joints, thumb at midrange |
|
|
Term
|
Definition
| neutral with slight ulnar deviation |
|
|
Term
| wrist close packed position |
|
Definition
| full extension and radial deviation |
|
|
Term
|
Definition
| equal loss of flexion and extension |
|
|
Term
| arthrokinematics: three units of the wrist |
|
Definition
| radiocarpal (proximal carpal row), midcarpal (distal carpawl row), intercarpal joint |
|
|
Term
| proximal surface of the radiocarpal joint |
|
Definition
| distal radius and triangulofibrocartilage complex (TFCC) |
|
|
Term
| the proximal surface of the radiocarpal joint has what shape |
|
Definition
|
|
Term
| the distal surface of the radiocarpal joint has what shape |
|
Definition
|
|
Term
| what makes up the distal surface of the radiocarpal joint |
|
Definition
| proximal carpal row (scaphoid, lunate, triquetrum) |
|
|
Term
| the midcarpal joint is made up of what |
|
Definition
| proximal and distal carpal rows |
|
|
Term
| the medial side of the midcarpal joint is what shape |
|
Definition
|
|
Term
| the medial side of the midcarpal joint is ovoid shaped and articulates with which concave metacarpals |
|
Definition
| scaphoid, lunate, triquetrum |
|
|
Term
| the lateral side of the midcarpal joint is what kind of joint |
|
Definition
|
|
Term
| the proximal surface of trapezii is convex on what surfaces |
|
Definition
|
|
Term
| the proximal surface of trapezii is concave on what surfaces |
|
Definition
|
|
Term
| what is the 1st type of intercarpal joint |
|
Definition
| joints b/w bones of proximal carpal row |
|
|
Term
| what is the 2nd type of intercarpal joint |
|
Definition
| joints b/w bones of distal carpal row |
|
|
Term
| what is the 3rd type of intercarpal joint |
|
Definition
|
|
Term
| what is the 4th type of intercarpal joint |
|
Definition
| synoival joint b/w pisiform and triquetrum |
|
|
Term
| how mnany types of intercarpal joints are there |
|
Definition
|
|
Term
| which joint provides the greatest contribution to wrist flexion |
|
Definition
|
|
Term
| which joint is the greatest contributor to wrist extension |
|
Definition
|
|
Term
| which joint provides the greater contribution to radial deviation |
|
Definition
|
|
Term
| which joint provides the greatest contribution to ulnar deviation |
|
Definition
|
|
Term
| what type of joints are the interphalangeal joints |
|
Definition
|
|
Term
| articular surface of the distal phalanx |
|
Definition
|
|
Term
| articular surfaces of the proximal phalanx |
|
Definition
|
|
Term
| where is the volar/fibrocartilage plate located |
|
Definition
|
|
Term
| where is the volar/fibrocartilage plate attached |
|
Definition
| base of distal phalanx via fibrous bands |
|
|
Term
| in full extension the volar/fibrocartilage plate articulates with what |
|
Definition
|
|
Term
| what happens to the volar/fibrocartilage plate in flexion of the finger |
|
Definition
| glides into capsular recesses |
|
|
Term
| what is the role of the volar/fibrocartilage plate |
|
Definition
|
|
Term
| interphalangeal joints resting position |
|
Definition
|
|
Term
| interphalangea joints closed packed position |
|
Definition
|
|
Term
| interphalangeal joints rom flexion |
|
Definition
|
|
Term
| interphalangeal joints rom extension |
|
Definition
|
|
Term
| the metacarpalphalngeal have what shape |
|
Definition
|
|
Term
| what is the proximal surface of the metacarpalphalangeal joints |
|
Definition
|
|
Term
| the metacarpal head of the metacarpalphalangeal joints takes what shape |
|
Definition
|
|
Term
| the distal surface of the metacarpalphalangeal joint is what? |
|
Definition
|
|
Term
| what shape does the proximal phalanx of the metacarpalphalangeal joint take |
|
Definition
|
|
Term
| the metacarpalphalangeal joints of the thumb are made up of this bone shape |
|
Definition
|
|
Term
| metacarpalphalangeal joints resting position |
|
Definition
|
|
Term
| metacarpalphalangeal joints close packed position |
|
Definition
|
|
Term
| metacarpalphalangeal joints ROM flexion |
|
Definition
|
|
Term
| metacarpalphalangeal joints ROM extension |
|
Definition
|
|
Term
| metacarpalphalangeal joints abduction |
|
Definition
|
|
Term
| metacarpalphalangeal joints adduction rom |
|
Definition
|
|
Term
| the carpometacarpal joints of digits 2-5 are what kind of joint |
|
Definition
|
|
Term
|
Definition
| continuous, slightly movable joint |
|
|
Term
| which digits have very little carpometacarpal joint movement |
|
Definition
|
|
Term
| whihc digits have more movement in the carpometacarpal joints |
|
Definition
|
|
Term
| which carpometacarpal joints move more like sellar joints |
|
Definition
|
|
Term
| the carpometacarpal joint of the thumb is what kind of joint |
|
Definition
|
|
Term
| what is the proximal surface of the carpometacarpal joint of the thumb |
|
Definition
|
|
Term
| the distal surface of the carpometacarpal joint of the thumb is what |
|
Definition
| distal surface of 1st metacarpal |
|
|
Term
| the carpometacarpal joint of the thumb is what shape med/laterally |
|
Definition
|
|
Term
| what is the shape of the carpometacarpal joint of the thumb ant/post |
|
Definition
|
|
Term
| the concave portions of the carpometacarpal joint of the thumb allow for what action |
|
Definition
|
|
Term
| the convex portion of teh thumb carpometacarpal joint allow for what movement |
|
Definition
|
|
Term
| what is the resting position of the thumb carpometacarpal joint |
|
Definition
| midway between flex/ext and abd/add |
|
|
