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The effects of high and low repetition daily undulating periodization models with equated volume on strength and hypertrophy in trained males
Title
The effects of high and low repetition daily undulating periodization models with equated volume on strength and hypertrophy in trained males.
Creator
Klemp, Alex, Zourdos, Michael C., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
Periodized training programs seem to augment muscle performance (i.e., hypertrophy, strength and muscle endurance), however, optimal repetition ranges to achieve these adaptations are unclear. Thus, the purpose was to compare high and low repetition daily undulating periodization (DUP) models, with equal volume on performance. Eleven trained, college-aged males were counterbalanced into high (DUPHR) or low (DUP-LR) repetition groups. Subjects performed the squat and bench press 3X/wk. for...
Show morePeriodized training programs seem to augment muscle performance (i.e., hypertrophy, strength and muscle endurance), however, optimal repetition ranges to achieve these adaptations are unclear. Thus, the purpose was to compare high and low repetition daily undulating periodization (DUP) models, with equal volume on performance. Eleven trained, college-aged males were counterbalanced into high (DUPHR) or low (DUP-LR) repetition groups. Subjects performed the squat and bench press 3X/wk. for 8wks. Outcome measures included one-repetition maximum (1RM) bench press, squat, and total strength (TS=squat+bench press), and muscle thickness (MT). 1RM strength increased with no difference between groups. Both groups increased total chest and total body MT (p<0.05); but only DUP-HR increased thigh MT (p<0.05). Effect sizes showed meaningful differences in strength favoring DUP-LR for bench press-1.48 and TS-0.89. Our findings indicate with equal volume, there may be meaningful differences in strength that are repetition-dependent, and varying responses to MT across different muscle groups.
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Date Issued
2014
PURL
http://purl.flvc.org/fau/fd/FA00004210, http://purl.flvc.org/fau/fd/FA00004210
Subject Headings
Kinesiology, Muscle strength, Personal trainers -- Vocational guidance, Physical education and training, Physical fitness -- Physiological aspects
Format
Document (PDF)
The influence of time-equated training programs on muscle hypertrophy, strength, and body composition
Title
The influence of time-equated training programs on muscle hypertrophy, strength, and body composition.
Creator
Dolan, Chad, Zourdos, Michael C., Florida Atlantic University, College of Education, Department of Exercise Science and Health Promotion
Abstract/Description
The purpose of this study was to determine if barbell circuit training (RTC) as a model for concurrent training is superior to high intensity interval (CTHI) or moderate intensity continuous (CTMI) cycling for changes in muscular strength, hypertrophy, and body composition. Eleven trained males were recruited and counterbalanced into three groups. Each program featured three alternating days of resistance training per week, with one of the above time-equated (30-minute) concurrent training...
Show moreThe purpose of this study was to determine if barbell circuit training (RTC) as a model for concurrent training is superior to high intensity interval (CTHI) or moderate intensity continuous (CTMI) cycling for changes in muscular strength, hypertrophy, and body composition. Eleven trained males were recruited and counterbalanced into three groups. Each program featured three alternating days of resistance training per week, with one of the above time-equated (30-minute) concurrent training modalities between sessions. All groups increased muscular strength (p<0.05, RTC=7.48%, CTHI=10.32%, CTMI=15.74%) with no group differences (p>0.05). Increases in upper body muscle hypertrophy were similar in RTC and CTMI (p<0.01, RTC=20.18%, CTMI=20.97%), increases in lower body muscle hypertrophy only occurred in CTMI (VM: p=0.01, 38.59%, VLP: p=0.07, 13.33%), while no hypertrophy changes were detected in CTHI (p>0.05), no group experienced changes in body composition (p>0.05). These findings suggest similar muscle performance benefits from barbell circuit or cycling concurrent training.
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Date Issued
2015
PURL
http://purl.flvc.org/fau/fd/FA00004440, http://purl.flvc.org/fau/fd/FA00004440
Subject Headings
Exercise -- Physiological aspects, Kinesiology, Muscle strength, Personal trainers, Physical education and training, Physical fitness -- Nutritional aspects
Format
Document (PDF)