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NPTE: MSK System Review > Concave-Convex Rule Application > Flashcards

Concave-Convex Rule Application Flashcards

1
Q

Fingers (IP joints)

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? Flexion/Extension

What is the moving component of articulation? Distal phalanx

What is the convex-concave rule for this joint? Concave moving on convex

Finger extension = posterior glide

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2
Q

MCP Joints (fingers)

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? Flexion/Extension & Abduction/adduction

What is the moving component of articulation? Proximal phalanx on metacarpal

What is the convex-concave rule for this joint? Concave moving on convex

flexion = anterior glide

extension = posterior glide

abduction = glide away from 3rd digit

adduction = glide toward 3rd digit

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3
Q

Wrist

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? Flexion/Extension

What is the moving component of articulation? carpals (capitate, scaphoid, lunate, triquetrum, trapezoid)

What is the convex-concave rule for this joint? convex moving on concave

wrist extension = anterior glide

wrist flexion = posterior glide

wrist ulnar deviation = lateral glide

wrist radial deviation = medial glide

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4
Q

Distal Radioulnar Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? Pronation/supination

What is the moving component of articulation? radius

What is the convex-concave rule for this joint? concave moving on convex

supination = posterior glide

pronation = anterior glide

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5
Q

Proximal Radioulnar Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? pronation/supination

What is the moving component of articulation? radius

What is the convex-concave rule for this joint? convex moving on concave

supination = anterior glide

pronation = posterior glide

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6
Q

Humeroradial Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? Flexion/extension

What is the moving component of articulation? radius

What is the convex-concave rule for this joint? concave moving on convex

elbow flexion = anterior glide

elbow extension = posterior glide

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7
Q

Humeroulnar Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? flexion/extension

What is the moving component of articulation? ulna

What is the convex-concave rule for this joint? concave moving on convex

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8
Q

Glenohumeral Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? humerus

What is the convex-concave rule for this joint? convex moving on concave

shoulder flexion, early 0-45 deg= posterior glide

shoulder flexion, late 120-180 = anterior glide

shoulder extension = anterior glide

shoulder ER = anterior glide

shoulder IR = posterior glide

shoulder abduction = inferior (caudal) glide

horizontal abduction = anterior glide

horizontal adduction = posterior glide

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9
Q

Sternoclavicular Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function?

  • Elevation/depression
  • protraction/retraction

What is the moving component of articulation? Clavicle for both motions

What is the convex-concave rule for this joint?

  • Convex moving on concave for elevation/depression
  • concave moving on convex for protraction/retraction
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10
Q

Acromioclavicular Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? scapula

What is the convex-concave rule for this joint? concave moving on convex

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11
Q

Toes (IP)

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? flexion/extension

What is the moving component of articulation? distal phalanx

What is the convex-concave rule for this joint? concave moving on convex

toe flexion = plantar glide

toe extension = dorsal glide

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12
Q

MTP Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? abduction/adduction

What is the moving component of articulation? proximal phalanx

What is the convex-concave rule for this joint? concave moving on convex

Flexion: Plantar roll and glide

Extension: Dorsal roll and glide

Abduction: Roll and glide same direction (reference point is second toe)

Adduction: Roll and glide same direction (reference point is second toe)

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13
Q

Subtalar Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function?

Technically all movements but:

  • abduction/adduction
  • inversion/eversion

Articulation of the talus and calcaneus

TherapyEd book says that to work on:

inversion = lateral glide

Eversion = medial glide

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14
Q

Talocrural Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? plantar flexion/ dorsiflexion

What is the moving component of articulation? talus

What is the convex-concave rule for this joint? convex moving on concave

plantarflexion = anterior glide

dorsiflexion = posterior glide

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15
Q

Tibiofibular joint (proximal)

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? fibular head

What is the convex-concave rule for this joint? concave moving on convex

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16
Q

Tibiofemoral (Knee Joint)

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? tibia

What is the convex-concave rule for this joint? concave moving on convex

knee extension = anterior/medial/lateral

knee flexion = posterior

17
Q

Hip Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? femur

What is the convex-concave rule for this joint? convex moving on concave

Abduction = inferior glide

external rotation/extension = anterior glide

interior rotation/flexion = posterior glide

18
Q

Temporomandibular Joint

  • What is the function?
  • What is the moving component of articulation?
  • What is the convex-concave rule for this joint?
A

What is the function? all movements

What is the moving component of articulation? mandible

What is the convex-concave rule for this joint? convex moving on concave

**mobilization will usually will involve an inferior mobilization to relocate anteriorly displaced disc**

disc displaced anterior = sticking with CLOSING, will be ipsilateral/c-shaped curve.

if disc is displacing posteriorly you are getting stuck with OPENING and it will be contralateral/s shaped curve.

19
Q

Subtalar joint coupled motions for supination and pronation:

Non Weightbearing

A

Supination:

Calcaneal inversion (or varus)

Calcaneal adduction

Calcaneal plantar flexion

Pronation:

Calcaneal eversion (or valgus)

Calcaneal abduction

Calcaneal dorsiflexion

20
Q

Subtalar joint coupled motions for supination and pronation:

Weight bearing

A

Supination:

Calcaneal inversion (or varus)

Talar abduction

Talar dorsiflexion

Tibiofibular lateral rotation

Pronation:

Calcaneal eversion (or valgus)

Talar adduction

Talar plantar flexion

Tibiofibular medial rotation

NPTE: MSK System Review (5 decks)

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