We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Effects of Low-Load, High-Repetition Resistance Training on Maximum Muscle Strength and Muscle Damage in Elite Weightlifters: A Preliminary Study.
- Authors
Yeom, Dong-Chul; Hwang, Dong-Joo; Lee, Woong-Bae; Cho, Joon-Yong; Koo, Jung-Hoon
- Abstract
This study aimed to assess the impact of different resistance training (RT) loads and repetition on muscle damage, intramuscular anabolic signaling, and maximal muscle strength (MMS) in weightlifters. Eighteen male weightlifters were randomly assigned to 8 weeks of supervised RT regimes: high-load, low-repetition (HL), low-load, high-repetition (LH), and combination of HL and LH (COMBI). All groups exhibited a significant increase in skeletal muscle mass (SMM) and growth hormone levels, which ultimately contributed to improvement in MMS as indicated by 1-repetition maximum in the back squat and back muscle strength. Notably, while there were no significant changes in the mTOR protein, the phosphorylation of phosphorylation of p70 ribosomal protein S6 kinase 1 (p70S6K1), eukaryotic initiation factor 4E-binding protein 1 (4E-BP1), and eukaryotic elongation factor 2 (eEF2), which are involved in muscle cell growth, was significantly affected by the different training regimens. More importantly, LH-RT led to a significant reduction in muscle damage markers, creatine kinase (CK) and lactate dehydrogenase (LDH), suggesting reduced recovery time and fatigue. Our results demonstrated that the LH-RT paradigm could be a viable alternative for weightlifters to enhance MMS and muscle hypertrophy similar to HL-RT, while reducing RT-induced muscle damage, ultimately contributing to the enhancement of exercise performance.
- Subjects
ELITE athletes; ISOMETRIC exercise; RESISTANCE training; SQUAT (Weight lifting); MTOR protein; RIBOSOMAL proteins; CREATINE kinase; BACK muscles; MUSCLE strength
- Publication
International Journal of Molecular Sciences, 2023, Vol 24, Issue 23, p17079
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms242317079