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Muscular hypertrophic adaptations in high and low load training regimes: Eight weeks training intervention
Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap.
2017 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
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.

sted, utgiver, år, opplag, sider
2017. , s. 22
Serie
Examensarbete ; 2017:48
Emneord [en]
hypertrophy, muscle, muscle mass, strength, strength training, resistance training, leg press, leg extension, muscle thickness
HSV kategori
Identifikatorer
URN: urn:nbn:se:gih:diva-4919OAI: oai:DiVA.org:gih-4919DiVA, id: diva2:1112879
Utdanningsprogram
Master programme
Veileder
Examiner
Merknad

Kursen Projektarbete.

Tilgjengelig fra: 2017-06-21 Laget: 2017-06-20 Sist oppdatert: 2019-11-04bibliografisk kontrollert

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