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Joint Mobilization Review
- 1. Joint Mobilization ReviewCasey Christy, MA, ATC, CSCS
- 2. PrinciplesUse Grades I and II to reduce pain.Use Grades III and IV to increase mobility.Begin and end all mobilization sessions with Grade I and II mobilizations to facilitate relaxation and to relieve pain.Initial mobilization techniques should be performed in the loose-packed position.
- 3. PrinciplesPerform 2 to 3 oscillations per second for 20-60 seconds for joint tightness, 1-2 minutes for pain.Sustained joint mobilization techniques: 10 second hold for painful joints; 10-30 sec hold for joint tightness. Repeat 3-5 times.Understand the indications and contraindications of joint mobilization before implementing any techniques.
- 4. Convex-Concave RuleFixed concave surface, moving convex surfaceGlide occurs in opposite directionExample: glenohumeral jointFixed concave glenoidfossa, moving convex humeral headAs the glenohumeral joint abducts, the humeral head glides inferiorlyMobilize humeral head in inferior direction to increase abduction ROM
- 5. Convex-Concave RuleFixed convex surface, moving concave surfaceGlide occurs in same directionExample: tibiofemoral (knee) jointFixed convex femoral condyles, moving concave tibialplateauAs the knee extends the tibia glides anteriorlyMobilize tibia in anterior direction to increase extension ROM; posterior direction to increase flexion ROM
- 7. Convex-Concave RuleJoints with fixed concave and moving convex surfaces:GlenohumeralHip jointTalocrural (ankle)Subtalar (concave inferior talus, convex calcaneus)RadiocarpalApply glide in opposite direction
- 8. Convex-Concave RuleJoints with fixed convex and moving concave surfaces:Knee (tibiofemoral joint)Elbow (humeral-radial joint, humeral-ulnar joint)MCP and IP joints of thefingers and toesApply glide in same direction
- 9. Grades of MovementGrade I: Small amplitude movement performed at the beginning of the available ROM.Grade II: Large amplitude movement through the middle of the ROM.Grade III: Large amplitude movement performed from the middle to the limit of the ROM.Grade IV: Small amplitude movement performed at the end of the ROM.Grade V: Small amplitude, manipulative movement performed beyond the end range of motion. Manipulation requires advanced training and is not commonly used by athletic trainers.
- 10. Open-Packed PositionsSubtalar joint: NeutralTalocrural joint: 10 degrees plantar flexionKnee: 25 degrees of flexion for tibiofemoral joint; full extension for patellofemoral jointHip: 30 degrees hip flexion, 30 degrees hip abduction, slight external rotation
- 11. Open-Packed PositionsElbow joint: humeral–ulnar joint: elbow flexed 70 degrees, forearm supinated 10 degrees; humeral-radial joint: full extension, supinationShoulder joint: 55 degrees abduction, horizontally adducted 30 degrees, rotated so forearm is in horizontal planeWrist: neutral for radiocarpal jointMCP and IP joints of the hand and fingers: slight flexionMCP joint of thumb: midway between flexion and extension; midway between abduction and adduction
- 12. Treatment GlidesTo improve glenohumeral flexion: apply posterior glideTo improve glenohumeral extension: apply anterior glideTo improve glenohumeral internal rotation: apply posterior glideTo improve glenohumeral external rotation: apply anterior glideTo improve glenohumeral abduction: apply inferior glide
- 13. Treatment GlidesTo improve tibiofemoral flexion: apply posterior glideTo improvetibiofemoral extension: apply anterior glidePatellofemoral glides: apply superior glide to improve extension; inferior glide to improve flexion
- 14. Treatment GlidesTo improve ankle plantarflexion: apply anterior glide (talocrural joint)To improve ankle dorsiflexion: apply posterior glide (talocrural joint)To improve inversion: apply lateral glide (subtalar joint)To improveeversion: apply medial glide (subtalar joint)
- 15. Treatment GlidesTo improve wrist flexion: apply dorsal (posterior) glideTo improve wrist extension: applyvolar (anterior)To improve radial deviation: apply medial glideTo improveulnar deviation: apply lateral glide
- 16. Treatment GlidesTo improve elbow flexion: apply humeral-ulnar distal glide (scooping motion)To improve elbow extension: apply humeral-radial posterior glide
- 17. A Unique JointSterno-clavicular JointThe proximal articulating surface of the clavicle is convex superiorly/inferiorly; concave anteriorly/posteriorlyMobilize clavicle inferiorly to improve abduction ROMMobilize clavicle posteriorly to improve retraction ROM
- 18. ReferenceKisner and Colby. Therapeutic Exercise: Foundations and Techniques, 4th ed.