Ortho U/E Muscles

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Author:
Anonymous
ID:
188255
Filename:
Ortho U/E Muscles
Updated:
2012-12-09 19:44:18
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Ortho Muscles
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Ortho U/E Muscles
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  1. Tightness in this muscle creates an anterior pelvic tilt or an anterior pelvic tilt created by tight psoas, weak gluteals, weak deep abdominals can caus tightness of this muscle, predisposing one to glenohumeral impingement
    Latissimus Dorsi
  2. Tightness in this muscle creates glenohumeral IR/adduction (forward shoulders
    Latissimus Dorsi
  3. Weakness in this muscle causes synergistic dominance of subscapularis
    Latissimus Dorsi
  4. This muscle is inhibited by dysfunction at the iliosacral joint, thoracic spine and scapulothoracic joint (arthrokinetic inhibition)
    Latissimus Dorsi
  5. Weakness in this muscle leads to synergistic dominance of the upper trap and levator scapula to initiate arm elevation, leading to glenohumeral impingement 
    Serratus Anterior
  6. Weaknes of this muscle leads to scapulothoracic instability, which in turn causes impaired upper extremity elevation and may be the cause of headache symptoms (due to trigger points in the upper trapezius muscle)
    Serratus Anterior
  7. Weakness in this muscle decreases scapular stability and increases stress to the rotator cuf (normally acts as a stabilizing synergist for teres maor)
    Rhomboids
  8. Tightness in this muscle results in a downward rotated position of the scapula which leads to decreased passive stability of the dependent arm and requiring excessive firing of the rotator cuff muscles (especially the supraspinatus) 
    Rhomboids
  9. Inhibition of this muscle may be created by thoracic spine immobility (i.e. rotated posture to the opposite will shorten; rotated same will lengthen/weaken this muscle
    Rhomboids
  10. This muscle works synergistically with the upper trapzius and the serratus anterior to upwardly rotate the scapula
    Lower Trapezius
  11. Weakness in this muscle allows synergistic dominance of upper trapezius, levator scapula and serratus anterior. 
    Lower Trapezius
  12. Thoracic spine dysfunction creates arthrokinematic inhibition of this muscle (excessive kyphosis may lengthen/weaken this muscle)
    Lower Trapezius
  13. This muscle stabilizes medial border of scapula, creating a stable base for arm function
    Middle Trapezius
  14. This muscle is synergistic to upper, lower trap and serratus anterior
    Middle Trapezius
  15. Weakness in this muscle allows pstural compensations (increased scapular protraction)
    Middle Trapezius
  16. This muscle is inhibited by tight pectoralis major/minor
    Middle Trapezius
  17. This muscle is arthrokinematically inhibited by thoracic spine dysfunction (ex: increased kyphosis)
    Middle Trapezius
  18. This muscle is synergistic with lower trapezius and serratus anterior to produce upward rotation of the scapula during arm elevation
    Upper Trapezius
  19. Tightness in this muscle may create cerival spine dysfunction
    Upper Trapezius
  20. Tightness in this muscle creates reciprocal inhibition of the lower trapezius
    Upper Trapezius
  21. Weakness in this muscle decreases force couple relationship of the scapula
    Upper Trapezius
  22. This muscle may compensate for functional leg length discrepancy and thoracic spine compensation by shortening or lengthening
    Upper Trapezius
  23. Sternoclavicular joint dysfunctioncreates inhibition of this muscle
    Pectoralis Major
  24. Tightness in this muscle creates inhibition of rhomboids, mid and lower trapezius
    pectoralis Major
  25. Tightness in this muscle may create rib dysfunction
    Pectoralis Major
  26. Tightness in this muscle creates humeral IR
    Pectoralis Major
  27. This muscle is synergistic to pectoralis major
    Pectoralis Minor
  28. Tightness in this muscle crates inhibition of rhomboids, mid/low traps and vice versa
    Pectoralis Minor
  29. Dysfunction of rib 3-5 will create inhibition of pec minor. affecting respiration and leading to dominance of accesory respiratory muscles (i.e. scalenes)
    Pectoralis Minor
  30. Anterior and posterior fibers of this muscle act as neutralizers during abduction
    Deltoid
  31. Inhibition of this musle creates rotator cuff impingement and may lead to tissue overload of the infraspinatus/teres minor during deceleration activities 
    Posterior Deltoid
  32. Peripheral axillary nerve entrapment due to tight lats, teres major or triceps will decrease neural input to this muscle, leading to synergistic dominance of the rotator cuff
    Deltoid
  33. Tight levator scapula or upper trapezius alters length/tension relationship of this muscle
    Posterior Deltoid. 
  34. Tight subscapularis decreases neural drive to this muscle and infraspinatus decreasing caudal glide and dynamic stabilization of the glenohumeral joint
    Teres Minor

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