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MSK IV - Exam 1 Questions and answers 2024/2025 update
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MSK IV - Exam 1 Questions and answers 2024/2025 update
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MSK IV - Exam 1 Questions and answers2024/2025 update
What leads to excessive mobility in the shoulder? ANS✔✔ Shallow concavity in glenoid, laxity in the
capsule
What joint is the "pseudo-joint" in the shoulder? ANS✔✔ scapulo-thoracic joint
What type of joint is the sternoclavicular joint? ANS✔✔ saddle joint
What type of cartilage in the SC joint? ANS✔✔ fibrocartilage
Ligaments at the SC joint? ANS✔✔ costoclavicular, sternoclavicular, interclavicular
What motions are available at SC joint? ANS✔✔ superior/inferior
anterior/posterior
rotation
What is the closed packed position for the SC joint? ANS✔✔ Full overhead elevation OR
Full end-range protraction
open packed position isn't known
How many DOF in the AC joint? ANS✔✔ 3
,Is separation more common at the SC or AC joint? ANS✔✔ AC
What are the ligaments of the AC joint? ANS✔✔ acromioclavicular, coracoacromial, coracoclavicular
(trapezoid and conoid)
What is the closed pack position of the AC joint? ANS✔✔ 90 degrees abduction
open packed not known
What joint optimizes the length/tension relationship of the GH muscles? ANS✔✔ Scapulothoracic
What vertebra line up with the length of the scapula? ANS✔✔ T2-T7
What is the total ROM at the ST joint? ANS✔✔ 60 degrees of rotation
total shoulder motion is 180
What is the open packed position of the GH joint? ANS✔✔ 55 degrees abduction, 30 degrees horizontal
adduction, 30 degree ER
Closed packed position of the GH joint? ANS✔✔ 90 degree ABduction with full ER OR full ABduction
Capsular pattern of the GH joint? ANS✔✔ ER>ABD>IR
Passive restraints to motion at the GH joint? ANS✔✔ Bony architecture
Labrum/capsule
,Capsuloligamentous structures
-superior GHL
-middle GHL
-inferior GHL
-coracohumeral ligament
What provides the most static restraint to movement at the GH joint? ANS✔✔ superior GHL
-also limits inferior translation of the humerus
Job of the middle glenohumeral ligament? ANS✔✔ limit ER and anterior translation when the arm is
between 45 and 90 degrees
Job of the inferior glenohumeral ligament? ANS✔✔ limits ER at or above 90 degrees of ABduction
How much abduction and ER strength does the rotator cuff provide? ANS✔✔ 50% abduction
80% ER
What muscles help stabilize the GH joint besides the rotator cuff muscles? ANS✔✔ Deltoid
Teres major
Bicep
Tricep
What muscles add to the stability of the scapula? ANS✔✔ SA
Trapezius
Rhomboids
Pec major/minor
, Who lives in the basement at vacation station? ANS✔✔ Ol' Greg
Who was supposed to live in the basement at vacation station round 2? ANS✔✔ Pase Charks
What are the 4 components of regional interdependence? ANS✔✔ Musculoskeletal
Somatovisceral
Neurophysiological
Biopsychosocial
Review c spine rules ANS✔✔
Mechanical causes of cervical myelopathy ANS✔✔ Trauma
Spinal cord compression
Degenerative changes
Bulging discs, thickened ligamentum flavum
RA with subsequent atlanto-axial subluxation
Systemic causes of cervical myelopathy ANS✔✔ MS, ALS
Guillian-Barre
Multi-focal motor myelopathy
Cluster for cervical myelopathy ANS✔✔ 1. (+) Babinski sign
2. (+) Inverted supinator sign
3. (+) Hoffmann sign
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