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BIOMECHANICS OF THE SHOULDER COMPLEX

BIOMECHANICS OF THE SHOULDER COMPLEX. Sternoclavicularis. Acromioclavicularis. Clavicula. Sternum. Scapula. Glenohumeralis. Humerus. Scapulothoracalis. GLENOHUMERAL JOINT. 1/3 - 1/4. Diameter: 37- 55 mm. Diameter:  41 mm.  25 mm. Angle of inclination. Angle of torsion 30°.

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BIOMECHANICS OF THE SHOULDER COMPLEX

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  1. BIOMECHANICS OF THE SHOULDER COMPLEX

  2. Sternoclavicularis Acromioclavicularis Clavicula Sternum Scapula Glenohumeralis Humerus Scapulothoracalis

  3. GLENOHUMERAL JOINT

  4. 1/3 - 1/4 Diameter: 37- 55 mm Diameter:  41 mm  25 mm

  5. Angle of inclination Angle of torsion 30°

  6. Glenoid cavity Synovial sheath When the arm is at rest at the side, the large capsule is taut superiorly and lax inferiorly

  7. Greater tuberosity

  8. SAGITTAL PLANE SCAPULLAR PLANE 30 - 45 degrees FRONTAL PLANE

  9. : The labrum broadens and makes deeper the glenoid socket (top image). The labrum also acts as an anchoring point for the ligaments of the shoulder (lower image).

  10. The normal main ligament of the shoulder (inferior glenohumeral ligament) supports the humeral head like a hammock supports a person (top image). With arm rotation, the ligament (hammock) moves forward and backward to keep the ball in the socket during this rotation (lower image).

  11. Arm elevation Flexion Abduction Flexion and abduction Extension

  12. Horizontal plane 15-30° 90° 120-135° 30-45°

  13. Flexion and extension in horizontal plane 45 extension 135 flexion

  14. Flexion-extension

  15. Sagittal plane Flexion Extension 100-120 degrees 30 degrees

  16. Abduction - adduction

  17. 90-110° Távolítás 60° Neutrális és lapocka sík Befelé fordítás Gördülés

  18. Távolítás Gördülés Passzív

  19. Távolítás

  20. acromioclavicularis 20o sternoclavicularis 40o 75o Abduction Frontal plane 120o glenohumeral 90 - 120o 135o 90o active 120o passive

  21. ABDUCTION TÁVOLÍTÁS ROLLING SLIDING active passive

  22. Rotáció 50° 120 °

  23. Kifelé Befelé 50° 70° 30° 20°

  24. External and internal rotation Throwing arm Contralateral Herrington 1988

  25. SCAPULOTHORACIC JOINT

  26. Tipping of the scapula Elevation Depression

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