Practice English Speaking&Listening with: Scapula Dyskinesis Test by McClure | Scapula Dyskinesia

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In this video I'm going to show you the Scapular Dyskinesis Test according to McClure.

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Hi, and welcome back to Physiotutors,

although evidence is conflicting

alterations in resting scapula position and dynamic scapular motion have frequently been described in various shoulder pathologies.

However, Burn et al. in the year 2016

observed the prevalence of scapula dyskinesis of 33% in asymptomatic non-overhead athletes and

61% in overhead athletes.

So it is fair to ask the question if scapular dyskinesis is not rather a functional adaption in athletes.

But are we able to identify the patients with scapular dyskinesis in the first place?

McClure are in the year 2009 have evaluated their method of determining

scapular dyskinesis in young overhead athletes and have found a Kappa value for the inter-rater reliability ranging from

k = 0.48 - 0.61.

For this reason this method has a moderate to substantial reliability and this method has a moderate clinical value

To observe for scapular dyskinesis according to the method of McClure

give your patients 2 dumbbells of 1.4 kg/ 3lbs if they weigh

less than 68.1kg/150lbs and

2.3kg/5lbs for patients who weigh 68.1kg/150lbs or more.

These weights are used due to a study done by Johnson et al. in 2001 that showed that active movement with resistance

resulted an abnormal scapular motion more often in those with shoulder injury.

While the examiner views them from the back have them perform 5 repetitions of bilateral flexion,

followed by 5 repetitions of bilateral abduction in the frontal plane with straight elbows.

Both shoulders are in 'thumbs up' position and shoulder elevation and lowering should be done to a 3 second count.

Scapular dyskinesia is present if either winging or dysrhythmia is present.

Winging was defined as posterior displacement of the medial border and/or the inferior angle of the scapula away from the thorax.

Dysrhythmia was defined as premature - so before 60 of humerothoracic

elevation - or excessive elevation or protraction, non-smooth/stuttering motion during arm elevation or

lowering or rapid downward rotation

during arm lowering.

Both sides are rated independently as normal, subtle or obvious dyskinesis

Under subtle the authors understood mild or questionable evidence of

abnormality not consistently present. Under obvious they understood striking, clearly apparent

abnormality evident on at least 3/5 trials and meant dysrhythmias or

winging of 1cmr or greater displacement of the scapula away from the thorax.

Finally they rated the combination of flexion and abduction test movements together.

Then 'normal' was defined as both test motions rated as normal or one motion rated as normal and the other as

having subtle abnormality.

'Subtle abnormality' meant that both flexion and a reduction were rated as having subtle abnormalities and

'obvious' meant that either flexion or a reduction or both were rated as obviously abnormal.

Alright, this was our video on the Scapula Dyskinesis Test by McClure et al. If you want to learn more about the 4-Type

Classification of scapula dyskinesis by Kipler, click on the video right next to me.

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The Description of Scapula Dyskinesis Test by McClure | Scapula Dyskinesia