Term
|
Definition
scaphoid
lunate
triqeuetrum
pisiform (not in Podraza's notes but still there) |
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|
Term
|
Definition
trapezium
trapezoid
capitate
hamate |
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|
Term
| radioulnar jt: structural classification proximal and distal |
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Definition
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Term
| radioulnar jt: structural classificaiton middle |
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Definition
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Term
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Definition
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Term
| radioulnar jt: pronation/supination occurs in what plane |
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Definition
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|
Term
| radioulnar jt: axial and planar characteristics |
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Definition
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Term
| radiocarpal jt (twist): structural classification |
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Definition
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Term
| radiocarpal jt (twist): sagittal plane movements |
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Definition
flexion
extension
hyperextension |
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|
Term
| radiocarpal jt (twist): frontal plane movements |
|
Definition
radial deviation (abduction)
ulnar deviation (adduction) |
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Term
| radiocarpal jt (twist): axial and planar characteristics |
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Definition
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|
Term
| intercarpal jt: structural classification |
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Definition
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Term
|
Definition
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Term
| intercarpal jt: axial and planar characteristics |
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Definition
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Term
| Carpometacarpal jt: structural classification |
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Definition
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Term
| Carpometacarpal jt: movement |
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Definition
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Term
| Carpometacarpal jt: axial and nonplanar characteristisc |
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Definition
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Term
| MCP jt: structural classification |
|
Definition
1: thumb synovial (saddle)
2-5: syonvial (condyloid) |
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|
Term
| MCP jt: thumb frontal movements |
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Definition
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Term
| MCP jt: thumb sagittal movements |
|
Definition
hyperextension
abduction
adduction |
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|
Term
| MCP jt: 2-5 sagittal movements |
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Definition
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|
Term
| MCP jt: 2-5 frontal movements |
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Definition
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Term
| MCP jt: axial and palnar characteristics |
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Definition
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Term
| Interphalangeal jt: structural classification |
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Definition
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Term
| Interphalangeal jt: sagittal plane motions |
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Definition
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Term
| Interphalangeal jt: axial and planar characteristics |
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Definition
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Term
|
Definition
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Term
| the wrist consists of 2 compound jts named |
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Definition
| radiocarpal and mid carpal |
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Term
| role of the jts proximal to the wrist complex |
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Definition
| aid in the function of the wrist |
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|
Term
| jts proximal to the wrist complex aid in the functino of the wrist: role of the shoulder |
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Definition
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|
Term
| jts proximal to the wrist complex aid in the functino of the wrist: role of the elbow |
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Definition
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Term
| jts proximal to the wrist complex aid in the functino of the wrist: role of the forearm |
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Definition
| adjusts position in space |
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Term
| major funciton of the wrist complex |
|
Definition
| control length tension relationships of mm and allow fine adjustment of grip |
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|
Term
| 2 major pts regarding the wrist |
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Definition
structure and biomechanical function vary tremendously
subtle difference drsaticsally effect function |
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Term
| what makes up the radiocarpal jt proximally |
|
Definition
| radius and radioulnar disc (TFCC) |
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|
Term
| what makes up the radiocarpal jt distally |
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Definition
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|
Term
| radiocarpal jt: the lateral radial facet articulates with what |
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Definition
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|
Term
| radiocarpal jt: medial radial facet articulates with what |
|
Definition
|
|
Term
| radiocarpal jt: TFCC articulates with what |
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Definition
|
|
Term
| inclination of the radius in the frontal plane |
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Definition
|
|
Term
| inclinatino of the radius in the sagittal plane |
|
Definition
| 11 degree inclination volar aspect |
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|
Term
| what is ulnar negative variance |
|
Definition
|
|
Term
| ulnar negative variance is associated with what |
|
Definition
| avascular necrosis of the luante |
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|
Term
| what is ulnar positive variance |
|
Definition
|
|
Term
| radiocarpal jt: ulnar positive variance is associated with what |
|
Definition
| TFCC change in thickness d/t impingement |
|
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Term
| relationship between ulnar length and TFCC thickness |
|
Definition
|
|
Term
| radiocarpal jt: inclinations are diminished status post what |
|
Definition
| foosh (fall on out stretched hand) fracture |
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|
Term
| radiocarpal jt: why is the inclination present |
|
Definition
accommodate the normal end range of motion
avoid impingement of soft tissue |
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|
Term
| radiocarpal jt: foosh fx resluts in what |
|
Definition
| pain at end range and ulnar impingement |
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|
Term
| Radiocarpal articulation: shape of distal radius |
|
Definition
| biconcave (frontal and sagittal) |
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|
Term
| Radiocarpal articulation: proximal carpal row consists of what |
|
Definition
| scaphoid, lunate, and triquetrum |
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|
Term
| Radiocarpal articulation: proximal carpal row articulates with what proximally |
|
Definition
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|
Term
| Radiocarpal articulation: shape of the proximal row |
|
Definition
| single biconvex surface (sagittal and frontal) |
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Term
| Radiocarpal articulation: articular incongruence: curve of the distal radiocarpal surface compared to the proximal surface |
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Definition
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Term
| Radiocarpal articulation: articular incongruence: the sharper curve of teh distal radiocarpal surface allows for what |
|
Definition
greater ROM in flexion than extension
greater ROM in ulnar deviation than radial deviation |
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|
Term
|
Definition
sesamoid bone
increases the moment arm of the flexor carpi ulnaris |
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|
Term
|
Definition
| articulation between proximal carpals ( scaphoid, lunate, triquetrum) and distal carpals (trapezium, trapezoid, capitate, hamate) |
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|
Term
| Midcarpal jt: type of articulation |
|
Definition
| functional rather than anatomic |
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Term
| Midcarpal jt: why is it a functional articulation |
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Definition
| d/t lack of an uninterrupted articular surface |
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Term
| Midcarpal jt: convex-concave rules |
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Definition
| reciprocal concave-convex configuration |
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Term
| Midcarpal jt: example of convex portion |
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Definition
|
|
Term
| Midcarpal jt: example of concave portion |
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Definition
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Term
| Midcarpal jt: extrinsic ligaments connect the carpals wheree |
|
Definition
radius/ulna proximally
metacarpals distally |
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Term
| Midcarpal jt: ligaments more likely to fail: intrinsic or extrinsic |
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Definition
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Term
| Midcarpal jt: ligaments with better capacity to heal: intrinsic or extrinsic |
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Definition
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|
Term
| Midcarpal jt: what do the intrinsic ligaments connect? what are the types? |
|
Definition
the carpals themselves
intercarpal or interosseous |
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Term
| Midcarpal jt: which are the stronger ligaments. extrinsic or intrinsic |
|
Definition
|
|
Term
| Midcarpal jt: which are the less stiff ligaments. extrinsic or intrinsic |
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Definition
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|
Term
| Midcarpal jt: why are the intrinsic ligaments have less potential for heailng? |
|
Definition
| d/t reliance on synovial fluid for nutrition vs vascular structures |
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|
Term
| Midcarpal jt: the volar carpal ligaments consist of what ligaments: intrinsic or extrinsic |
|
Definition
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|
Term
| Midcarpal jt: the 2 intrinsic volar carpal ligaments |
|
Definition
scapholunate interosseus
lunotriquetral interosseous |
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|
Term
| Midcarpal jt: volar carpal ligaments: intrinsic ligament: scapholunate interosseous: key role |
|
Definition
| scaphoid stability and hence the wrist |
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|
Term
| Midcarpal jt: volar carpal ligaments: intrinsic ligament: scapholunate interosseous: injury to this ligament results in what |
|
Definition
instability of the scaphoid
overall wrist pain |
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|
Term
| Midcarpal jt: volar carpal ligaments: intrinsic ligament: scapholunate interosseous: characteristics |
|
Definition
largely avascular
susceptible to degenerative changes |
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|
Term
| Midcarpal jt: volar carpal ligaments: intrinsic ligament: lunotriquetral interosseous: role |
|
Definition
| creates stability between the lunate and the triquetrum |
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Term
| Midcarpal jt: volar carpal ligaments: intrinsic ligament: lunotriquetral interosseous: injury yeilds what |
|
Definition
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|
Term
| 2 dorsal carpal ligaments |
|
Definition
dorsal radiocarpal ligament
dorsal intercarpal ligament |
|
|
Term
| role of the dorsal radiocarpal ligament |
|
Definition
help to offset the sliding of the proximal carpal condyle on the radial inclination
plays a role in arthrokinematics related to the inclination angles |
|
|
Term
| dorsal intercarpal ligament |
|
Definition
contributes to radiocarpal stability
specifically the scaphoid |
|
|
Term
| dorsal carpal ligaments are taught in what wrist motion |
|
Definition
flexion
provides greater stability |
|
|
Term
| Wrist function: Role of the proximal carpals |
|
Definition
| mechanical link between the radius and the distal carpals |
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|
Term
| Wrist function: there is no ______ _____ applied to the proximal row of the carpals |
|
Definition
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|
Term
| Wrist function: what is an intercalated segment |
|
Definition
| unattached middle component of a 3 component structure |
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|
Term
| Wrist function: counter rotation of the proximal and distal rows occur with what |
|
Definition
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|
Term
| Wrist function: counter rotatino of the proximal and distal carpal rows occurs with ligamentous tension which does what |
|
Definition
| increase the coaptation (adaptation) of the metacarpal articular surfaces and adds stability |
|
|
Term
| Flex/Ext of the wrist: which bone shows the most motion |
|
Definition
|
|
Term
| Flex/Ext of the wrist: which bone shows the least motion |
|
Definition
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|
Term
|
Definition
| start with the wrist in full flexion |
|
|
Term
|
Definition
| active extension started by distal carpal row and metacarpals by teh wrist extensors |
|
|
Term
|
Definition
| distal carpals glide on the fixed proximal row. distal carpals glide in the same direction as the hand |
|
|
Term
|
Definition
| when wrist reaches neutral the ligaments draw the scahpoid and capitate together into a closed pack position |
|
|
Term
|
Definition
| continued extensor mm force moves the carpal scaphoid unit on the fixed lunate and triquetrum |
|
|
Term
|
Definition
| at 45 degrees extension the scapholunate ligament pulls scaphoid and luante into closed pack which unites all carpals and they move as one |
|
|
Term
| Flex of the wrist: step 0 |
|
Definition
| start in full wrist extension |
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|
Term
| Extension of the wrist: summarized: step 0 |
|
Definition
| start in full wrist flexion |
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|
Term
| Extension of the wrist: summarized: step 1 |
|
Definition
| distal carpal row moves on proximal |
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|
Term
| Extension of the wrist: summarized: step 2 |
|
Definition
| scahpoid and distal row move on the lunate/triquetrum |
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|
Term
| Extension of the wrist: summarized: step 3 |
|
Definition
| carpals move as a unit on the radius and TFCC for full extension |
|
|
Term
| Radial/Ulnar deviation: proximal carpal rows shows what motion with deviations |
|
Definition
|
|
Term
| Radial/Ulnar deviation: carpal movement during radial deviation |
|
Definition
| carpals slide ulnarly on radius |
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|
Term
| Radial deviation: carpal motion produces reciprocal deviation of the proximal adn distal carpals and simultaneous _____ of the proximal carpals and ______ of the distal carpals |
|
Definition
|
|
Term
| Ulnar deviation: on of the proximal adn distal carpals and simultaneous _____ of the proximal carpals and ______ of the distal carpals |
|
Definition
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|
Term
| Radial/Ulnar deviation: which motion will make the scaphoid appear longer |
|
Definition
|
|
Term
| Radial/Ulnar deviation: what position makes the midcarpal and radiocarpals close packed? |
|
Definition
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|
Term
| Radial/Ulnar deviation: ranges of RD/UD are greatest in what plane and position |
|
Definition
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|
Term
| Radial/Ulnar deviation: in full extension what is the ROM for RD/UD |
|
Definition
| carpals are locked and little RD/UD is available |
|
|
Term
| Radial/Ulnar deviation: why is there little RD/UD in full flexion |
|
Definition
| the jts are in loose pack and splayed yield little RD/UD |
|
|
Term
| Wrist instability: what will diminish or eliminate the stabilization of the wrist |
|
Definition
| injury to the ligament of the scaphoid or lunate |
|
|
Term
| Wrist instability: if the scaphoid is unstable how does it behave |
|
Definition
unconstrained segment with not syngergy with the other carpals
tends to flex |
|
|
Term
| Wrist instability: if the scaphoid behaves as an unconstrained segment what happens to the lunate and triquetrum |
|
Definition
| they too act as an unconstrained segment and tend to extend |
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|
Term
| Wrist instability: if the scaphoid is unstable it acts as an unconstrianed segment and tends to flex, resulting in the lunate and triquetrum acting as unconstrated segments and tending to extend. what happens to the distal carpals |
|
Definition
| flex on the extended lunate and triqetrum |
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|
Term
| Wrist instability: the scaphoid, lunate, and triquetrum acting as unconstrianed segments with the scahpoid tending to flex, and the luante/triquetrum tending to extend with the distal carpals flexing on the extended segmetns is called what |
|
Definition
| intercalated segmental instability |
|
|
Term
| Wrist instability: intercalated segmental instability will yield what (2) |
|
Definition
djd of the radioscaphoid jt
potential captiate subluxation |
|
|
Term
| Wrist instability: what is SLAC |
|
Definition
| ScaphoLunate Advanced Collapse |
|
|
Term
| Wrist instability: what does SLAC result from |
|
Definition
| intercalated segmental instability |
|
|
Term
| Wrist instability: What is SNAC |
|
Definition
| Scaphoid Nonunion Advanced Collapse |
|
|
Term
| Wrist instability: what is SNAC |
|
Definition
| same progression as SLAC but its origin is a scaphoid fx |
|
|
Term
| Wrist instability: A SNAC injury can also occur after what |
|
Definition
| malunion or after established non union |
|
|
Term
| Wrist instability: SNAC: what is almost inevitable after a scaphoid nonunion |
|
Definition
|
|
Term
| the fact that jt degeneration can occur even after healing of the scaphoid fx emphasizes what |
|
Definition
| the precise role that the scaphoid plays in normal wrist mechanics |
|
|
Term
| how can the process of scaphoid degeneraiton be initiated |
|
Definition
| shape or volume of the scaphoid is altered (malunion, nonunion and subsequent bony resorption) |
|
|
Term
| what can also occur with scaphoid fx and contribute to the pathogenesis of degenerative change |
|
Definition
|
|
Term
| where is the scaphoid located |
|
Definition
| base of the hollow made by the thumb tendons |
|
|
Term
| scaphoid fx population and MOI |
|
Definition
|
|
Term
| what s/s in the area of the anatomical snuff box can be a sign that the scaphoid is injured |
|
Definition
|
|
Term
| scaphoid fx: near the thumb prognosis |
|
Definition
| heals with protection/immobilization in a few weeks |
|
|
Term
| scaphoid fx: near the forearm prognosis |
|
Definition
| does not heal well d/t poor blood supply |
|
|
Term
| scaphoid fx: main blood supply for this fx |
|
Definition
|
|
Term
|
Definition
| cast up to the middle arm or even shoulder |
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|
