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Muscular hypertrophic adaptations in high and low load training regimes: Eight weeks training intervention
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Aim

The purpose of this study was to assess muscle hypertrophy outcomes from high and low load strength training routines performed to muscular fatiguein a unilateral design.

Method

14 well-trained men and women (age 26.4 ±4.4 years, weight 79.9 ±10.7 kg, height 179.4 ±76 cm) volunteered to participate in eight weeks of fully supervised training two times per week. Subjects had their legs randomized to a HL protocol performing 3-5reps and LL protocol performing 20-25 reps. Training was performed in leg press and leg extension and all sets were performed until volitional failure. Subjects were measured for muscle thickness by ultrasound at mid and distal portion of vastus lateralis before and after the study. Paired sample t-test and independent sample t-test was used to establish differences in pre and post and between leg differences.

Results

Muscle thickness increased inHL: MID 8% p=0,002 and DIST 14% p=0.009, in LL: MID 7% p=0.004 and was unchanged at DIST 4% p=0.512. Total muscle thickness for both measurement sites combined increases significantly in both legs, HL: 9% p=0.001 and LL: 5% p=0.045. There were no between leg differences at MID (p=0.404) or DIST (p=0.989) after eight weeks.

Conclusion

We conclude that high and low load strength training performed unilaterally to volitional failure yields equal increases in muscle thickness after eight weeks for well-trained men and women.

Place, publisher, year, edition, pages
2017. , p. 22
Series
Examensarbete ; 2017:48
Keywords [en]
hypertrophy, muscle, muscle mass, strength, strength training, resistance training, leg press, leg extension, muscle thickness
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:gih:diva-4919OAI: oai:DiVA.org:gih-4919DiVA, id: diva2:1112879
Educational program
Master programme
Supervisors
Examiners
Note

Kursen Projektarbete.

Available from: 2017-06-21 Created: 2017-06-20 Last updated: 2019-11-04Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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