Kinese Chapter 5

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Kinese Chapter 5
2011-10-06 00:52:51

Test 2 Notes
Show Answers:

  1. What are some key Humeral landmarks?
    Head, greater and lesser tubercle, intertubercular groove, and deltod tuberosity
  2. Key boney landmarks to know
    acromion process, glenoid fossa, lateral border, inferior angle, medial border, superior angle, spine of scapula
  3. What kind of joint is GH joint?
    supported by what only, this leads to what injuries?
    what is like meniscus in knee and adds stability?
    • multaxial enarthrodial
    • only by mms, leads to inf. and ant. dislocations
    • glenoid labrum
  4. GH ligs provide support esp. where?
    ligs are lax until extreme _____ is reached due to wide ROM involved.
    ____ is sacrificed to gain ____
    • anteriorly and inferiorly (inferior glenohumeral lig)
    • ROM
    • Stability sacrificed for mobility
  5. what degrees is shoulder joint abduction and adduction?
    90 to 95 and 0 (75 ant. to trunk)
  6. what are the degrees for GH flexion and extension?
    90 to 100 and 40 to 60
  7. what are the degrees for int/ext rotation, horizontal add, and horizontal abd
    • internal and external is 70 to 90
    • horizontal add is 135
    • horizontal ab is 45
  8. If shoulder girdle moves freely than the total range of combined movements for abduction, flexion, and horizontal add are....?
    • 170 to 180
    • 170 to 180
    • 140 to 150
  9. What 3 anatomical features cause this ares to be injured frequently???
    • shallowness of glenoid fossa
    • laxity of ligamentous structures
    • lack of strenght and endurance in mms
  10. what are the most common kind of subluxations and dislocations??
    Posterior problems??
    • anterioinferior sublux and disloc are common
    • posterior dislocations are rare
    • posterior instability problems are common
  11. Rotator cuff mms and their placement??
    • subscap is ant!
    • supra is sup!
    • infra is inf!
    • teres minor is post/inf!
  12. rotator cuff mms attach to the front top and rear of ____ head.
    point of insertion allows for ____ rotation
    • Humeral
    • humeral
  13. rotator cuff mms are vital in mantiaining humeral head in correct approximation within ____ ____ while more powerful mms move ____ throughout its wide ROM.
    • glenoid fossa
    • humerus
  14. What is GIRD?
    overhead athletes with gird of greater than ___% had a higher risk for injury
    ____ exercises are recommended to regain internal rotation
    • Glenohumeral internal rotation deficit
    • diff internal rot rom between throwing and non throwing arms
    • stretching
  15. what are the pairings of shoulder joint and shoulder girdle (scapular) movements?
    • easy...
    • ab with upward rotation
    • flexion with upward rotation and elevetion
    • interal rotation with abduction
    • horizontal add with abduction
  16. GH is paired with ___ ___ to accomplish total shoulder ___
    • shoulder girdle
    • rom
  17. scapulohumeral rhythm is a ____ relationship?
    what is the ratio between gh motion and scapular motion??
    • synergistic
    • 2:1 ratio
  18. what are the 10 movements of GH joint?
    how does humerus move on rotations?
    • flex and ext
    • int and ext rot
    • hori/diag/norm ab and add
    • Ext: moves laterally along axis away from midline
  19. What are the intrinsic GH mms?
    • deltoid corochobrachialis teres major
    • rotator cuff group
  20. whata are the extrinsic GH mms?
    Lats and pec major
  21. what are the anterior, superior, and posterior GH mms???
    • ant: coracobrachialis, pec major, subclavius
    • sup: delts and supraspinatus
    • post: infraspinatus, teres major, teres minor, lats
  22. what are the agonists for glenohumeral flexion?
    anterior deltoid and upper pec major
  23. what are the agonists for glenohumeral extension/adduction??
    • teres major
    • lats
    • lower pec major
  24. what are the agonists for glenohumeral abduction?
    • deltoid
    • supraspinatus
    • upper pec major
  25. what are the agonists for GH horizontal abduction?
    • posterior delt
    • middle delt
    • infraspinatus
    • teres minor
  26. what are the agonists for GH horizontal adduction?
    • anterior delt
    • corochobrachialis
    • pec major
  27. what are the agonists for gh internal rotation?
    • same as adduction
    • just make it lowe pec and add subscap
  28. what are the agonists for gh external rotation?
    • infraspinatus
    • teres minor
  29. what are the agonists for gh diagonal abduction?
    • posterior delt
    • infraspinatus
    • teres minor
    • triceps brachii long head
  30. what are the agonists for gh diagonal adduction?
    • anterior delt
    • pec major
    • coracobrachialis
  31. What are the actions of the deltoid mms?
    what do they all do??
    • ant: flexion, horixontal add, and ext rotation
    • midd: abduction
    • post: opposite anterior
  32. What are the actions of the upper fibers the pec major as well as the lower fibers??
    • Upper: internal rotation, horizontal adduction, adduction, abduction, and flexion
    • Lower: all the same except flexion is extension and there is no abduction
  33. shoulder impingement is the compression of what three tissues?
    What arch are these located under?
    • supraspinatus tendon, subacromial bursa, and long head of the biceps tendon
    • the are located under the coracoacromial arch!
  34. Failure of Rotator cuff to maintain position of the humeral head in the glenoid will allow for excessive ____ of the humeral head
  35. Prolonged inflammation due to impingement can cause decresed muscular efficiency which can lead to what injuries?
    labrum tear, tear of supraspinatus tendon and biceps tendon