Test–retest reliability of glenohumeral internal and external rotation strength in chronic rotator cuff pathology

Anderson, Vincent B.; Bialocerkowski, Andrea; Bennell, Kim L

doi:10.1016/j.ptsp.2006.04.002

Cited by 8 publications

(15 citation statements)

References 24 publications

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“…Isokinetic testing has been demonstrated to be reliable and valid to assess the shoulder complex 17 . However, it should be considered that this kind of testing is not specific to a certain muscle 25 , it evaluates the performance of a muscle group in a determined movement.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Camargo¹,

Ávila²,

Alburquerque‐Sendín³

et al. 2012

Rev. bras. fisioter.

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Section: Discussionmentioning

confidence: 99%

“…Eccentric training is very efficient for muscular and tendon strengthening 17,18 . Also, this type of training may induce remodeling of the tendon 18 and changes in neovessels 19 .…”

Section: Introductionmentioning

confidence: 99%

Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Camargo¹,

Ávila²,

Alburquerque‐Sendín³

et al. 2012

Rev. bras. fisioter.

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“…Three studies 20,21,27 did not report the plane of the shoulder position. Seven studies 2,15,21,27,32,35,38 reported both relative and absolute indices of reliability, but 7 studies 11,25,33,34,[39][40][41] reported only relative indices. Although the methodological quality of the included studies was poor, it seemed to be sufficient to perform a systematic review.…”

Section: Methodological Quality Of the Studiesmentioning

confidence: 99%

“…Good or excellent test-retest reliability means that measurement results of 2 different sessions are the same when no differences in muscle strength are expected. 14,27,32 Better reliability implies better precision of single measurements and better tracking of changes in measurements in research or practical settings. 14,17 A variety of statistical techniques have been used to determine the reliability of measurements.…”

Section: Statistical Analysis Of Reliabilitymentioning

confidence: 99%

Reliability of Isokinetic Assessment of Shoulder-Rotator Strength: A Systematic Review of the Effect of Position

Édouard¹,

Samozino²,

Julia³

et al. 2011

Journal of Sport Rehabilitation

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Context: Isokinetic assessment of shoulder internal-(IR) and external-rotator (ER) strength is commonly used with many different postures (sitting, standing, or supine) and shoulder positions (frontal or scapular plane with 45° or 90° of ab duction). Objective: To conduct a systematic review to determine the influence of position on the intersession reliability of the assessment of IR and ER isokinetic strength, to identify the most reliable position, and to de termine which isokinetic variable appears to be most stable in intersession relia bility. Evidence Acquisi tion: A systematic literature search through MEDLINE and Pascal Biomed data bases was performed in October 2009. Criteria for inclu sion were that studies be written in English or French, describe the isokinetic evaluation methods, and de scribe statistical analysis. Evidence Synthesis: Sixteen studies meeting the inclu sion criteria were included. Variable reliability of ER and IR peak torque (PT) were generally reported for all assessment positions; intraclass correlation coefficients were .44-.98 in the seated position with 45° of shoulder abduction, .09-.77 in the seated position with 90° of shoulder abduction, .86-.99 (coefficient of variation: 7.5-29.8%) in the supine position with 90° of shoulder abduction, .82-.84 in the supine position with 45° of shoulder abduction, and .75-.94 in standing. The ER:IR ratio reliability was low for all posi tions. Conclusions: The seated position with 45° of shoulder abduction in the scapular plane seemed the most reliable for IR and ER strength assessment. The standing position or a shoulder posture with 90° of shoulder abduction or in the frontal plane must be used with caution given the low reliability for peak torque. Good reliability of ER and IR PT was generally reported, but ER:IR ratio reliabil ity was low.

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“…Yet concentric testing has been shown to be more reliable than eccentric testing when comparing an SSI group to an asymptomatic group (MacDermid et al, 2004). A concentric contraction produces less force than an eccentric contraction, thereby reducing the influence of pain on performance (Anderson, Bialocerkowski, & Bennell, 2006).…”

Section: Discussionmentioning

confidence: 99%

Isokinetic clinical assessment of rotator cuff strength in subacromial shoulder impingement

Land

Gordon

Watt

2017

Musculoskeletal Science and Practice

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Background: Current conservative management of subacromial shoulder impingement (SSI) includes generic strengthening exercises, especially for internal (IR) and external (ER) shoulder rotators. However, there is no evidence that the strength or the ratio of strength between these muscle groups is different between those with SSI (cases) and an asymptomatic population (controls).Objective: To identify if isokinetic rotator cuff strength or the ratio of strength is significantly different between cases and controls.Study Design: Case Control Study.Method: Fifty one cases with SSI and 51 asymptomatic controls matched for age, gender, hand dominance and physical activity level completed isokinetic peak torque glenohumeral IR and ER testing. Within the SSI group, 31 dominant limbs were symptomatic and 20 non-dominant limbs were symptomatic. IR and ER were measured separately using continuous reciprocal concentric (con) and eccentric (ecc) contraction cycles at a speed of 60 0 degrees per second and again at 120 0 degrees per second. Values of peak torque (PT), relative peak torque (RPT) and ratios were compared using independent t-tests between the SSI and asymptomatic groups.Results: Significant strength differences between the two groups were present only when the symptomatic SSI shoulder was the dominant shoulder (con ER PT at 60 0 /second, ecc ER PT at 120 0 /second, ecc ER RPT at 120 0 /second and ecc IR PT at 60 0 /second and 120 0 /second). Conclusions:Changes in rotator cuff strength in SSI may be related to limb dominance, which may have implications for strengthening regimes. Level of Evidence:Level 3a

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Test–retest reliability of glenohumeral internal and external rotation strength in chronic rotator cuff pathology

Cited by 8 publications

References 24 publications

Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Eccentric training for shoulder abductors improves pain, function and isokinetic performance in subjects with shoulder impingement syndrome: a case series

Reliability of Isokinetic Assessment of Shoulder-Rotator Strength: A Systematic Review of the Effect of Position

Isokinetic clinical assessment of rotator cuff strength in subacromial shoulder impingement

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