Muscle force measured using “break” testing with a hand-held myometer in normal subjects aged 20 to 69 years

Phillips, Beverley A.; Lo, Sing Kai; Mastaglia, Frank

doi:10.1016/s0003-9993(00)90050-9

Cited by 79 publications

(124 citation statements)

References 35 publications

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“…47,52,76 However, elbow extension showed relatively greater strength (30-50% of that in the able-bodied population). 47,76 The range of reported strength within the same muscle group may be attributed to subjects with incomplete lesions, who have a haphazard innervation pattern. Additionally, daily wheelchair use may have had a training effect in some subjects, and may cause overuse in others.…”

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 97%

“…76 This seems plausible, as in paraplegia muscle strength may be enhanced by daily use of the upper extremity. 18 However, in tetraplegia, muscle strength additionally depends on the level and completeness of injury, neurological recovery and spasticity.…”

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

“…In subjects with high cervical lesions, shoulder strength was reduced to 50% of values found in subjects with a paraplegia, or in the ablebodied population. 44,76 The strength of elbow flexion and wrist extension was reduced to 15-30% of that in the able-bodied population. 47,52,76 However, elbow extension showed relatively greater strength (30-50% of that in the able-bodied population).…”

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

“…44,76 The strength of elbow flexion and wrist extension was reduced to 15-30% of that in the able-bodied population. 47,52,76 However, elbow extension showed relatively greater strength (30-50% of that in the able-bodied population). 47,76 The range of reported strength within the same muscle group may be attributed to subjects with incomplete lesions, who have a haphazard innervation pattern.…”

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

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Physical capacity in wheelchair-dependent persons with a spinal cord injury: a critical review of the literature

et al. 2006

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Study design: Review of publications. Objective: To assess the level of physical capacity (peak oxygen uptake, peak power output, muscle strength of the upper extremity and respiratory function) in wheelchair-dependent persons with a spinal cord injury (SCI). Setting: Erasmus MC, University Medical Centre Rotterdam, The Netherlands. Methods: Pubmed (Medline) search of publications from 1980 onwards. Studies were systematically assessed. Weighted means were calculated for baseline values. Results: In tetraplegia, the weighted mean for peak oxygen uptake was 0.89 l/min for the wheelchair exercise test (WCE) and 0.87 l/min for arm-cranking or hand-cycling (ACE). The peak power output was 26 W (WCE) and 40 W (ACE). In paraplegia, the peak oxygen uptake was 2.10 l/min (WCE) and 1.51 l/min (ACE), whereas the peak power output was 74 W (ACE) and 85 W (WCE). In paraplegia, muscle strength of the upper extremity and respiratory function were comparable to that in the able-bodied population. In tetraplegia muscle strength varied greatly, and respiratory function was reduced to 55-59% of the predicted values for an age-, gender-and height-matched able-bodied population. Conclusions: Physical capacity is reduced and varies in SCI. The variation between results is caused by population and methodological differences. Standardized measurement of physical capacity is needed to further develop comparative values for clinical practice and rehabilitation research.

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Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 97%

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

Section: Muscle Strength Of the Upper Extremitymentioning

confidence: 99%

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Physical capacity in wheelchair-dependent persons with a spinal cord injury: a critical review of the literature

et al. 2006

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“…11,26 Subsequently, we summed the maximum force (in newtons) of the 10 muscle groups. 11 Sum scores were only calculated if strength could be determined in those 10 muscle groups.…”

Section: Physical Capacitymentioning

confidence: 99%

Prognostic Models for Physical Capacity at Discharge and 1 Year Postdischarge From Rehabilitation in Persons With Spinal Cord Injury

Haisma¹,

Woude²,

Stam³

et al. 2007

Archives of Physical Medicine and Rehabilitation

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ABSTRACT. Haisma JA, van der Woude LH, Stam HJ, Bergen MP, Sluis TA, de Groot S, Dallmeijer AJ, Bussmann JB. Prognostic models for physical capacity at discharge and 1 year postdischarge from rehabilitation in persons with spinal cord injury. Arch Phys Med Rehabil 2007;88:1694-703.Objective: To develop prognostic models for physical capacity at discharge and 1 year after discharge from inpatient rehabilitation in persons with spinal cord injury (SCI).Design: Inception cohort; data collected at start of rehabilitation (nϭ104), at discharge (nϭ81), and 1 year later (nϭ74).Setting: Eight Dutch rehabilitation centers. Participants:Patients with SCI at initial rehabilitation.Interventions: Not applicable. Main Outcome Measures: Physical capacity determined by endurance capacity (peak oxygen uptake [VO 2 peak, in L/min] and power output [POpeak, in watts]) during a maximal exercise test, arm muscle strength, and respiratory function. Multiple regression models, either with or without prior outcome, evaluated subject, lifestyle, and lesion-related predictors.Results: Only start VO 2 peak contributed to the prediction of discharge VO 2 peak (R 2 ϭ.51). Discharge VO 2 peak contributed to its prediction 1 year later (R 2 ϭ.75). Start POpeak, sex, age, and level of lesion contributed to discharge POpeak (R 2 ϭ.73). Discharge POpeak, hours of employment before injury, and level of lesion contributed to POpeak 1 year later (R 2 ϭ.81). Models without prior outcome explained less variance. Education, employment, body mass index, not smoking, and conservative stabilization of the spine positively contributed to endurance capacity. Muscle strength was well predicted (R 2 range, .68Ϫ.84). Without prior outcome, respiratory function was poorly predicted.Conclusions: Because prior outcome contributed to an accurate prediction, the early assessment of physical capacity is important in establishing prognoses. Although their accuracy warrants caution in their application, models could complement clinical expertise when informing patients about expected physical outcome and identifying those at risk of low physical capacity.

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Physical work capacity in older adults: Implications for the aging worker

Kenny

Yardley

Martineau

et al. 2008

American J Industrial Med

254

166

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Muscle force measured using “break” testing with a hand-held myometer in normal subjects aged 20 to 69 years

Cited by 79 publications

References 35 publications

Physical capacity in wheelchair-dependent persons with a spinal cord injury: a critical review of the literature

Physical capacity in wheelchair-dependent persons with a spinal cord injury: a critical review of the literature

Prognostic Models for Physical Capacity at Discharge and 1 Year Postdischarge From Rehabilitation in Persons With Spinal Cord Injury

Physical work capacity in older adults: Implications for the aging worker

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