Journal Issue: Vol. 5 No 3


Manuscript

Does a personalised exercise prescription enhance training efficacy and limit training unresponsiveness? A randomised controlled trial

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Purpose: Evidence suggests considerable heterogeneity in exercise-induced changes in cardiorespiratory fitness and common cardiometabolic risk factors, with some individuals even experiencing adverse responses when exposed to regular exercise training. The purpose of this study was to compare the...

Authors: Lance C. Dalleck, Devan E. Haney, Christina A. Buchanan, Ryan M. Weatherwax



Accuracy of the body adiposity index and body adiposity index FELS compared with air displacement plethysmography

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
The Body Adiposity Index (BAI) estimates a person’s percent body fat using hip circumference and height. A slight variation of the BAI from the FELS longitudinal study (BAIFELS) has more recently proposed to estimate percent body fat better than the BAI. ...

Authors: Justin R. Brown, Laura M. Young, Trever J. Ball, Andrew T. Del Pozzi

References: 1.Garn, S.M., Leonard, W.R. & Hawthorne, V.M. (1986).  Three limitations of the body mass index. Am J Clin Nutr, 44(6), 996-997. ...



Monitoring training and fatigue with heart rate variability: case study in a swimming Olympic champion

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Introduction: Training loads and heart rate variability (HRV) were monitored over 69 weeks in a swimming Olympic champion to assess if different types of HRV changes occurred during fatigue episodes. ...

Authors: Laurent Schmitt, Jacques Regnard, Denis Auguin, Grégoire P. Millet

References: Fiskerstrand A, Seiler KS. Training and performance characteristics among Norwegian international rowers 1970-2001. Scandinavian journal of medicine & science in sports. 2004;14:303-310. ...



Counting steps? How’s that working for you? Assessing the effects of tracking monitors and social contexts on fitness goals

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Aims: Employing the transtheoretical model of behaviour change (TTM), this study considers the effects of digital health tracking tools on users adopting and continuing healthy behaviours. The TTM’s five stages of change and 10 processes, as well as the model’s inclusion of constructs...

Authors: Kim Baker, Sarah Pember, Xueying Zhang, Kim Bissell

References: Bogaty, S. (2015, Jan. 6). The demographic divide: Fitness trackers and smartwatches attracting very different segments of the market.  The NPD Group. Retrieved from https://www.npd.com ...



Electromyographic activity in superficial muscles of the thigh and hip during the back squat to three different depths with relative loading

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Introduction: Inconclusive previous research on squat depth and the evoked electromyography (EMG)activity muddles our understanding of muscle recruitment in the back squat. This study determined EMGactivity as a function of squat depth in four superficial muscles of the lower limb using relative...

Authors: Benjamin Hammond, Pascual Marques-Bruna, Eric Chauhan, Craig Bridge

References: Clark, D.R., Lambert, M.I., & Hunter, A.M. (2012). Muscle activation in the loaded free barbell squat: a brief review. Journal of Strength and Conditioning Research. 26: 1169-1178. ...



Surface electromyography analysis of the free, smith and split squats performed by strength trained males

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Introduction: Squats recruit a large proportion of the body’s muscular system and provide a foundation for strength training programs for athletes. However, our understanding of electromyographical activity in variations of the high-bar back-squat, notably the split squat, is limited....

Authors: Eric Chauhan, Craig Bridge, Benjamin Hammond, Pascual Marques-Bruna

References: Clark, D.R., Lambert, M.I., & Hunter, A.M. (2012). Muscle activation in the loaded free barbell squat: A brief review. Journal of Strength & Conditioning Research. 26(4): 1169-1178. ...



A Pilot Study of the the impact of time trends on exercise frequency and enjoyment in college-age male and female students

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Introduction: The breadth of research regarding time trends in exercise participation is miniscule, although it is a facet of exercise behavior and could contribute to exercise adherence. Furthermore, exercise enjoyment may also play a role in exercise adherence. The purpose of this study was to...

Authors: Jacob Brunnquell, Katee Spaeth, Malorie Casalegno, Cole Gatzke, Scott Mateski, Matt Wiggins, Saori Braun

References: DellaVigna, S. & Malmendier, U. (2006). Paying not to go to the gym. The American Economic Review, 694-719. ...


Commentary

Jones machine/Maxrack vs. Smith machine: history, definitions and efficacy overview

Journal of Fitness Research Volume 5.3 , Article first published online: 08/12/2016
Introduction: The Smith Machine has been a popular alternative to free bar exercises because of perceivedsafety advantages. With the advent of the Jones Machine/MaxRack, it is still a viable alternative to freeweight training? Does the Jones Machine/MaxRack have a better combination of free weight...

Authors: Neil Wolkodoff, Felipe Eichenberger

References: 1. Abelbeck, K.G. (2002). Biomechanical model and evaluation of a linear motion squat type exercise.Journal of Strength & Conditioning Research, 16(4):516-24. ...


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