MSK #2- Concave convex rule applicaion

Question 1

Finger:

1. Function/ movement
2. Moving component of articulation
3. Relationship of concave convex rule

Answer 1

Function: Flexion / extension

Moving comp: Distal phalanx

Relationship: concave on convex

Question 2

Metacarpal-phalangeal wrist:

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 2

Function: abduction/adduction, flexion/extension

Moving comp:

• Abd/Add- proximal phalanx concave on convex
• Flex/ext- capitate, scaphoid, lunate, triquetrium - convex on concave
  
  • trapezoid- concave on convex

Question 3

Radioulnar:

• Distal
• Proximal

Answer 3

Function: pronation/supination (both)

Moving component of articulation: Radius (both)

Relationship (distal) - concave on convex

(proximal)- convex on concave

Question 4

Humeroradial

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 4

Function: flexion/extension

Moving comp: radius

Relationship: Concave on convex

Question 5

Humeroulnar

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 5

Function: Flexion/extension

Moving comp: Unla

Relationship: concave on convex

Question 6

Glenohumeral

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 6

Function: All movements

Moving comp: Humerus

relationship: convex on concave

Question 7

Sternoclavicular

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 7

Function:

• Elevation/depression- clavicle- convex on concave
• Protraction/retraction- clavicle - concave on convex

Question 8

Acromioclavicular

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 8

Function: all movements

Moving comp: scapula

Relationship: Concave on convex

Question 9

Toes

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 9

Function: Flexion/extension

Moving comp: Distal phalanx

Relationship: concave on convex

Question 10

Metatarsal-phalangeal

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 10

Function: Abd/Add

Moving comp: Proximal phalanx

Relationship: Concave on convex

Question 11

Ankle/foot

• Subtalar
  
  • Function,
  • Moving component of articulation
  • Relationship of concave convex rule

Answer 11

Function #1: all movements

Moving comp: navicular, cuneiform

Relationship: concave on convex

Function #2: Inversion/eversion

Moving component: Cubois, calcaneous

Relationship: convex on concave

Question 12

Ankle/foot:

• Talocrural
  
  • Function,
  • Moving component of articulation
  • Relationship of concave convex rule

Answer 12

Function: Dorsal/plantarflexion

Moving comp: Talus

Relationship: convex on concave

Question 13

Tibiofibular

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 13

Function: All movements

Moving comp: Fibular head

Relationship: concave on convex

Question 14

Knee

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 14

Function: All movements

Moving comp: Tibia

Relationship: Concave on convex

Question 15

Hip

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 15

Function: All movements

Moving component: Femur

Relationship: Convex on concave

Question 16

Temporomandibular

• Function,
• Moving component of articulation
• Relationship of concave convex rule

Answer 16

Function: All movements

Moving component: Mandible

Relationship: Concex on concave

Question 17

Joints with concave on convex articulatons (13)

Answer 17

• Fingers
• Metacarpal-phalangeal
• Wrist- Trapezoid (flex/ext)
• Radioulnar distal (pronation/supination)
• Humeroradial (flex/ext)
• Sterno-clavicular (protraction retraction)
• Acromioclavicular (all movements)
• Toes (flex/ext)
• Matatarsal-phalangeal (abduction/adduction)
• Ankle/foot- subtalar (all movements)
• Talofibular (all movements)
• Knee (all movements)

Question 18

Joints with convex on concave articulations (7)

Answer 18

• Wrist - capitate, scaphoid, lunate, triquetrium (flex/ext)
• Radioulnar- proximal (pronation/supination)
• Glenohumeral (all movements)
• Sternoclavicular- (elevation/depression)
• Ankle/foot subtalar (inversion/eversion)
• Ankle/foot talocrural (dorsal/plantarfleion)
• Hip (all movements)