Hormonal
Short-term (3 weeks) low-load resistance training (20% 1RM) combined with blood flow restriction (BFR) induces significant proliferation of myogenic stem cells (MSCs) and myonuclei addition in human skeletal muscle, resulting in substantial myofiber hypertrophy and strength gains.
If you cannot lift heavy weights due to injury or joint issues, try low-load resistance training (20% of your max) combined with Blood Flow Restriction (BFR) cuffs. Perform 4 sets to failure with 30 seconds rest, using a cuff pressure of 100 mmHg. This protocol can stimulate muscle growth and strength gains similar to heavy lifting by triggering stem cell proliferation, provided you train frequently (almost daily) for at least 3 weeks.
This study is the first to show that short-term low-load resistance exercise performed with partial blood flow restriction leads to marked proliferation of myogenic stem cells and resulting myonuclei addition in human skeletal muscle, which is accompanied by substantial myofibre hypertrophy.
Why this rating
Randomized controlled trial with work-matched controls, clear mechanistic endpoints (biopsies), but small sample size (n=10 BFR).
Source
Proliferation of myogenic stem cells in human skeletal muscle in response to low‐load resistance training with blood flow restriction
Jakob Lindberg Nielsen et al. · The Journal of Physiology · 2012
DOI 10.1113/jphysiol.2012.237008
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