The Correlation Between Isokinetic Strength Measures and Functional Performance in an Elderly Population.

Campbell, M. H.; Signorile, Joseph F.; Siudmak, P.; Miller, Philip; Puhl, Jacqueline L.; Perry, A.

doi:10.1249/00005768-199505001-01302

Cited by 4 publications

(3 citation statements)

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“…Indeed, studies have found correlations between isokinetic leg performance and balance in the elderly, suggesting a link to risk of falls. 20,21 Some of the most reliable biomechanical muscle performance and endurance measures assessed using a robotic dynamometer are isokinetic peak torque, total work, and power. 22,23 Although many studies have used work fatigue index (decrease of work production across repetitions) as a measure of endurance, Porter et al 23 recently affirmed that total work and isokinetic peak torque are more reliable indicators than work fatigue.…”

Section: Discussionmentioning

confidence: 99%

Isokinetic Performance After Total Hip Replacement

Bertocci

Munin

Frost

et al. 2004

American Journal of Physical Medicine & Rehabilitation

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Section: Discussionmentioning

confidence: 99%

Isokinetic Performance After Total Hip Replacement

Bertocci

Munin

Frost

et al. 2004

American Journal of Physical Medicine & Rehabilitation

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“…Those declines are often assessed by measuring leg strength, specifically strength and endurance of knee extensors, affecting performance of most ADL [7][8][9][10]. More than in other muscle groups responsible for movement of the lower extremity, the largest range of motion and the largest torques required while performing movements, such as standing up from sitting position, are found in the knee extensors [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, they have been used for assessing leg strength in the elderly [7,9]. Campbell et al [8] found a correlation between knee extensor strength and endurance, assessed by isokinetics, and ADL in older adults. In an attempt to validate the MSTS against strength of knee extensors measured by isokinetic assessment, Csuka and McCarty [27] compared different age groups on both measurements.…”

Section: Introductionmentioning

confidence: 99%

‘The Multiple-Sit-to-Stand’ Field Test for Older Adults: What Does It Measure?

et al. 2004

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Background: The need to predict decline in functional status in a large number of older adults has brought researchers and clinicians to develop easy-to-administer field tests. One of them is the ‘multiple-sit-to-stand’ (MSTS), which claims to measure leg strength. Objective: To assess the extent to which the MSTS is a leg strength, leg endurance or general endurance test. Methods: 49 independently functioning women (72.2 ± 6.4 years) were assessed on the MSTS, on a submaximal stress test, and on strength and endurance of knee extensors measured by isokinetics. The knee extensors were selected, more than in other muscle groups responsible for movement of the lower extremity, as the largest range of motion, and the largest torques required while performing activities of daily living (ADL) is found in this group. Results: The correlation of the MSTS with the stress test was moderate and significant but very low and nonsignificant with the isokinetic measurements. Conclusions: The MTST is not able to predict strength of knee extensors, the leading group of leg muscles in ADL. If at all, it predicts general endurance rather than any measure – muscle strength or muscle endurance – of lower extremities. Longitudinal studies assessing the potential of the MSTS to predict deterioration in ADL in older adults are recommended, as well as studies assessing other factors related to both MSTS and ADL, such as muscle-nerve coordination affecting multiple joint activities.

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