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Showing 1 to 20 of 153 for “"isokinetic"”.
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Muscle performance during slow isokinetic speeds
The purpose of this study was to investigate the possible mechanism responsible for the decrease in force during the 5°/sec velocity compared to the isometric velocity. Subjects (n = 9) completed MVC knee extension exercises during eccentric speeds of 5, 10, and 15°/sec, as well as isometric …
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Isokinetic Knee Strength in Females with Fibromyalgia
… with FM and thirty-one healthy females completed isokinetic testing of knee flexors and extensors of their dominant leg using a Cybex Norm Isokinetic Dynamometer. Two knee muscle groups (flexors and extensors) at two angular velocities (607sec and 1807sec) were tested for both groups. Both muscle …
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A metabolic comparison of isokinetic and free sprinting
… following exhaustive treadmill running, maximal isokinetic and free sprinting. Eight university sprinters (mean: age = 24.8 yrs., ht. = 178.9 cm., wt. = 74.9 kg.) performed a 2 minute anaerobic speed test (AST) and tethered isokinetic and free sprinting protocols consisting of five second maximal …
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Mechanisms affecting post-activation potentiation following voluntary isokinetic knee extension
… before and after five different dynamic (isokinetic) CAs, after the participants had completed an extensive warm-up including extensive task-specific practice to the point where maximal voluntary contractile capacity was achieved. Vastus lateralis (VL) EMG amplitude normalised to the …
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The isokinetic assessment of muscle strength in rugby union players.
… the upper body strength of rugby union players. Isokinetic assessment of shoulder abduction and adduction strength was identified as providing a sport specific measurement based on the muscle actions involved in the rugby tackle.A pilot study was conducted to assess the reliability of the …
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Estimation of internal consistency and stability reliability using isokinetic segmental curve analysis
… (SCA). Each subject performed a standardized isokinetic knee extension/flexion test on the Cybex II isokinetic dynamometer. Test protocol consisted of 5 maximum repetitions at a speed of 60 deg/sec. Within one week of the initial test, each subject performed a retest. During testing, all …
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The effects of ballet training on isokinetic strength, power, and muscular endurance
… of the same age. Each group was tested for isokinetic strength, power, and muscular endurance on the Cybex 11+ before and after the eight week training program of ballet and weight training. Each subject in the two experimental groups attended at least three ballet technique classes a week. …
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A comparison of isotonic and isokinetic supplemental weight training programs for baseball players
Electronic Thesis or Dissertation
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Muscle temperature influences oxygen uptake and blood flow during single leg isokinetic exercise.
… (Q̇ mus), V̇ O2m, and %TSI during single-leg isokinetic exercise. Eleven men exercised during 3-min intervals under thermoneutral (TN) condition, and localized muscle heating (HT) and cooling (CO), at 10%, 30%, and 50% of their maximal voluntary contraction (MVC). An occlusion technique …
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Peak isokinetic torque of knee flexors and extensor muscles of college football players
… if there was a significant difference in peak isokinetic torque of knee flexor and extensor muscles across speeds (60 degrees/second, 180 degrees/ second and 300 degrees/second) of a college football team subsequent to participation in a spring football season.</p>
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An Optimal Interset Rest Period For Strength Recovery During A Common Isokinetic Test
<p>Introduction: Isokinetic testing is used in rehabilitation settings on a regular basis, yet there is a lack of consistency in rest period usage among protocols. Purpose: The purpose of this study was to establish an optimal rest period that would allow reproducibility of strength during a common …
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The effects of velocity specific isokinetic training on strength, hypertrophy, and cross education
… the effects of six weeks of velocity specific isokinetic training on peak torque (PT), and the estimated cross-sectional area of the upper arm (AG) in the trained. Thirty volunteers (M=15, F=15) were randomly assigned to an experimental, slow velocity group (S), 60 degrees-per-second (n=9; …
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Effect of isokinetic resistance training on ulnar stiffness in young, college-aged women
… either concentrically or eccentrically in the Isokinetic modality on the Biodex® system III 3d/wk for 32 wks. The dominant arm served as the control limb (untrained). Analysis of all subjects regardless of training mode demonstrated a significant increase in ulnar EI (22% ↑, P=0.01) with no …
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Discrimination between sincere and deceptive isokinetic knee extension response using segmental curve analysis
… to discriminate between sincere and deceptive isokinetic knee extension tests, whether these equations could be applied to a new sample, and whether prediction accuracy is dependent on test speed. Fisher [1989] trained 76 college-age males subjects to either give a true maximal response or fake …
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Maximal Versus Non Maximal Muscular Exertions: A Study of Valid Measures Using Isokinetic Dynamometry
… the knee and shoulder joint musculature during isokinetic dynamometry-based testing. For development of the decision rules, healthy participants performed a series of maximal and non-maximal exertions at different testing velocities through a prescribed range of motion. Two different …
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Influence of Oral Contraceptives on Bone Adaptations to Isokinetic Strength Training in Young Women
… (EI) in college-aged females after unilateral isokinetic resistance training. METHODS: Forty six females (age 20 +/- 1.4 yr, height 163.8 +/- 6.2cm, weight 58.9 +/- 8.6kg, fat 27.9 +/- 4.8%) were categorized as OC users (OC, N=22) or non-users (NOC, N=24). Subjects participated in 32 weeks (3 …
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Isokinetic muscular strength and performance in youth football : relationships with age, seasonal variation and injury
… of the current project was to investigate the isokinetic muscular strength and performance of elite male youth footballers, and the relationships with age, seasonal variation and injury. A secondary aim was to use the information gathered to target muscle strain injury prevention strategies to …
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Establishing isokinetic flow for a plasma torch exhaust gas diagnostic for a plasma hearth furnace
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1996, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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