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- Title
Muscle growth adaptations to high-load training and low-load training with blood flow restriction in calf muscles.
- Authors
Kataoka, Ryo; Vasenina, Ecaterina; Hammert, William B.; Ibrahim, Adam H.; Dankel, Scott J.; Buckner, Samuel L.
- Abstract
Purpose: To compare muscle growth adaptations between traditional high-load training and low-load training with blood flow restriction (BFR) in the calf muscles over 6 weeks. Methods: 27 trained individuals performed calf exercise in both legs for 6 weeks. Each leg was randomly assigned to one of the two conditions: (1) Traditional (70% of 1RM) training (TRAD); and (2) Low-load (30% of 1RM) training with BFR. In addition, subjects performed standing calf raises with or without BFR. Measures were taken pre- and post-intervention. Results: For the posterior muscle site, there was no condition (BFR vs. TRAD) × time (pre vs. post) interaction (p = 0.15). In addition, there was no main effect for condition (p = 0.83) or time (p = 0.20). For the lateral muscle site, there was no condition × time interaction (p = 0.47). In addition, there was no main effect for condition (p = 0.10) or time (p = 0.57). For the medial muscle site, there was no condition × time interaction (p = 0.60). In addition, there was no main effect for condition (p = 0.44) or time (p = 0.72). For RPE, there was no condition × time interaction. However, there was a main effect for condition (p < 0.05) with BFR having higher RPE. For discomfort, there was no condition × time interaction. However, there was a main effect for condition (p < 0.001) with the BFR condition displaying higher discomfort. Conclusion: No muscle growth was detected in the calf musculature. BFR was not more effective at eliciting muscle hypertrophy compared to traditional training. However, it was accompanied with higher exertion and discomfort.
- Subjects
CALF muscles; BLOOD flow restriction training; MUSCLE growth
- Publication
European Journal of Applied Physiology, 2022, Vol 122, Issue 3, p623
- ISSN
1439-6319
- Publication type
Article
- DOI
10.1007/s00421-021-04862-7