نتایج جستجو برای: dynamometers
تعداد نتایج: 222 فیلتر نتایج به سال:
Squeal noise generation during braking is a complicated dynamic problem which automobile manufacturers have confronted for decades. Customer complaints result in significant yearly warranty costs. More importantly, customer dissatisfaction may result in rejection of certain brands of brake systems. In order to produce quality automobiles that can compete in today’s marketplace, the occurrence o...
INTRODUCTION Upper limb evaluation of patients with Duchenne Muscular Dystrophy is crucially important to evaluations of efficacy of new treatments in non-ambulant patients. In patients who have lost ambulation, there are few validated and informative outcome measures. In addition, longitudinal data demonstrating sensitivity to clinical evolution of outcome measures over short-term periods are ...
BACKGROUND AND PURPOSE The ability to rise from a chair is important for independence in everyday life. This study was conducted to determine to what extent knee extension force (KEF) could explain independence in sit-to-stand (STS) performance from a standard chair. SUBJECTS AND METHODS This was a descriptive and correlational study of patients receiving acute rehabilitation (N=107). Measure...
Handgrip strength is an important biomarker of healthy ageing and a powerful predictor of future morbidity and mortality both in younger and older populations. Therefore, the measurement of handgrip strength is increasingly used as a simple but efficient screening tool for health vulnerability. This study presents normative reference values for handgrip strength in Germany for use in research a...
Background: Measuring instruments should have their scientific and clinical value evaluated in different populations. The handgrip strength test is widely used, however little has been investigated about its reliability when used in elderly with dementia and the right stage wich its use should be avoided. Objectives: To evaluate the test-retest reliability of the handgrip strength test in elder...
This study aimed to evaluate the intra- and inter-rater reliability of a well-used less-used IsoMed-2000 dynamometer for knee flexion extension peak torque (PT) measurements in concentric test athletes. Two isokinetic dynamometers were used, an old one that was new less-used. Thirty-seven weight-lifting athletes (12 female, 25 male) included this study. Both legs each athlete tested twice on at...
BACKGROUND Controversy exists on stretching and warm-up in injury prevention. We hypothesized that warm up has a greater effect on Achilles tendon biomechanics than static stretching. This study investigated static stretching and warm-up on Achilles tendon biomechanics in recreational athletes, in vivo. MATERIALS AND METHODS Ten active, healthy subjects, 5 males, 5 females, With a mean age of...
The purpose of this investigation was to describe the relationship between the central activation ratio (CAR) and the percent maximum voluntary effort (% MVE) during isometric quadriceps femoris contractions. Twenty-one healthy, young adults participated in three test sessions. During each session, one of three train types was tested: a 100-HZ 120-ms train, a 100-HZ 250-ms train, or a 50-HZ 500...
The literature shows inconsistent evidence regarding the association between clinically assessed plantar-flexor (PF) spasticity and walking function in ambulatory persons with multiple sclerosis (pwMS). The use of a dynamometer-based spasticity measure (DSM) may help to clarify this association. Our cohort included 42 pwMS (27 female, 15 male; age: 42.9 +/- 10.1 yr) with mild clinical disabilit...
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