Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"RFD"”.
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RFD-1, a 1-D, 4-group code to calculate burnup cycles using mechanical spectral shift
… spectral shift reactors utilize this concept. RFD-1, a 1-dimensional, 4-group code was developed to compute fuel burnup cycles for spectral shift reactors. The code calculates burnup for a triangular core lattice having a beginning fuel to water ratio as high as 1.30. Core shutdown occurs at a …
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Defining effective fiber content of dairy rations
… volatile fatty acids (VFA), and rumen fluid (RFD) and solids (RSD) dilution rates. DMI was highest for added fiber rations and higher for CSH than hay rations. Digestibility of DM was depressed for added fiber rations with lowest for CSH. Most favorable NB was for CSH rations. Rumen VFA were …
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A Systematic Approach to the Monitoring of Competitive Weightlifters
… and isometric rate of force development (RFD), isometric peak force (PF), and peak power (PP) at 0kg, 11kg, and 20kg. During periods of higher volume loads RFD was depressed to a much greater extent than peak force (PF). For the males, similar to RFD, JH at 20kg responded in a manner …
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Sex differences in the neural control of muscle
… flexor strength and rate of force development (RFD). Normalization by either maximum strength or neural factors couldn’t account for all sex-differences in RFD, resulting in an ambiguous interpretation. In contrast, both variables were able to be incorporated in an ANCOVA to determine their …
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The effect of maximal isometric training on doublet-induced force enhancement and its relationship with changes in voluntary rate of force development
… and has been correlated with changes in RFD (Van Cutsem et al., 1998), little is known about the influence of strength training on the physiological and biomechanical benefits derived from the phenomenon. The present research examined the effects of 4 weeks of ‘explosive’ isometric knee …
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The effect of dietary supplementation on fatigue and recovery after resistance exercise in females
… (MVC) and rate of force development (RFD) and to evaluate the repeatability (between-days) of measurements. The data showed a small systemic bias between days for both, right and left leg and showed good reliability between days for MVC (range 5.4% to 11.5%), (9.55% to 36.3%) and (5.8% …
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Use of Isometric Mid-Thigh Pull to Determine Asymmetrical Strength Differences in NCAA D-I Athletes.
… existed for rate of force development (RFD). Men exhibited significant differences between both scaled peak force and RFD, while women only showed significant differences in scaled peak force. Of the 66 subjects tested, 6 subjects (5 men and 1 woman) exhibited percent differences of 15% …
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Evaluating Community Forestry in Huai Lu Luang, Thailand
… and inconsistent. The Royal Forestry Department (RFD) governs state forests in this politically decentralized country, with the state parlimentary government drafting, sometimes conflicting policies, to resolve conflict with forest dwellers. This study was conducted in the predominantly ethnic …
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Evaluating Community Forestry in Huai Lu Luang, Thailand
… and inconsistent. The Royal Forestry Department (RFD) governs state forests in this politically decentralized country, with the state parlimentary government drafting, sometimes conflicting policies, to resolve conflict with forest dwellers. This study was conducted in the predominantly ethnic …
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The manifestations of fatigue in amateur boxing performance
… and various rate of force development variables; RFD). The punch force measurement system had high mechanical reliability and accuracy (CV < 0.1%). Typical error and smallest worthwhile changes comparisons revealed that the 3MPT could detect moderate and large changes in performance, however …
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Επίδρασης ισομετρικής συνδυαστικής προπόνησης σε δύο γωνίες γονάτου στην αρχιτεκτονική δομή του τετρακέφαλου και στην δύναμη των κάτω άκρων
… δύναμη (MIF) και στον ρυθμό εφαρμογής δύναμης (RFD) σε έξι γωνίες γονάτου (85°-160°), τη μηκο-δυναμική σχέση, στο CMJ και τη μέγιστη δύναμη (1RM) στα σύγκεντρα ημικαθίσματα. Είκοσι-δύο δοκιμαζόμενοι (11 άνδρες) χωρίστηκαν σε τρεις ομάδες. Η πρώτη πραγματοποιούσε ISq στις 85° (G85 n = 7, βάρος: …
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Proteomic analysis of diurnal variation in human skeletal muscle performance
… participants. Our data show that RFD exhibits the greatest diurnal variation (18 %) followed by isometric force (10.2 %). The diurnal variation in IKD data was less robust (range 8.1 - 9.8 %), which may have been due to the lesser precision of this technique compared to MVC and …
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Beyond jump height: Understanding the kinematics and kinetics of the countermovement jump from vertical ground reaction force data through the use of higher-order time derivatives
… including the rate of force development (RFD) and modified reactive strength index (RSImod). For the latter, its suitability as an analogue for the reactive strength index (RSI) measured during drop jumping was simultaneously explored. Both RFD and RSImod were found to be undercalculated …
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Neuromuscular characteristics of eccentric contractions of the knee extensors and their muscle damage profiles
… (MVIC) force, rate of force development (RFD), TF elicited by femoral nerve stimulation, VA, MEPs, corticospinal silent period (CSP) and SICI assessed by single- and paired-pulse TMS, and muscle soreness were measured before, immediately after, and 1-3 days post-exercise. No significant …
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Fish Consumption Based PFAS Risk Assessment for Recreational Anglers in Chicago, IL & Benton Harbor, MI
… Risk Information System reference doses (IRIS RfD), and PFAS concentration values from the State of Michigan paired with a Perfluorooctane Sulfonate (PFOS) RfD from Pachkowski et al. (US EPA, 2011; ATSDR, 2003). Fish consumption survey data was compiled to assess consumption patterns, and IBM …
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Developing an Empirically Valid Function Acquisition Speed Test for Assessing Attitudes to and Predicting Real-world Behaviour
… tests (i.e. using Rate-Fluency Differential or RFD scores, D scores and slope differential scores). Results showed that the FAST predicted group affiliation and voting behaviour satisfactorily. In particular, FAST RFD scores were found to be the optimal scoring metric when predicting voting …
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A biomechanical investigation of contemporary powerlifting training practices and their potential application to athletic development.
… power, velocity and rate of force development (RFD) were shown to explain a large percentage of variation in performance of tasks such as sprinting, jumping and changing direction (adjusted R2 ranged from 0.43 to 0.86). These mechanical variables were then measured in a series of experimental …
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Experimental Design and Analysis of Piezoelectric Synthetic Jets in Quiescent Air
… for this study, Bimorph, Thunder®, Lipca and RFD. The overall factors considered are the driving signals, voltage, frequency, cavity height, orifice size, and passive cavity pressure. Using the average maximum jet velocity as the response variable, these factors are individually studied for …
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Physiological characteristics and time-motion analysis of young soccer players
… such as peak force, rate of force development (RFD), peak power, vertical jump (VJ) height, agility, aerobic endurance, sprint performance and repeated sprint ability (RSA) were established. The participants from each team were tracked by GPS (GPSports SPI Elite, ACT, Australia) over the entire …
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Preferences for systems of psychotherapy and beliefs about the causes of depression
… on the Reasons for Depression questionnaire (RFD; Addis, Truax, & Jacobson, 1995) would be higher or lower across each of the treatment options. For those that preferred behavioral activation therapy, every reason for depression was elevated indicating that participants in this group may …
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