Improving Balance

Falls and their consequences are a paramount health concern in older populations. Poor balance has pervasive effects on daily life and therefore maintaining balance represents an important pillar for the quality of life as we age.  A study published in the European Journal of Translational Myology brings clarity to how exactly we should go about improving our balance.

New Research: It's not the amount of weight that matters

New research published this month in the Journal of Applied Physiology challenges what strength training pundits have taught for years: In order to grow bigger muscles, you need to lift heavy weights.  A team of researchers led by Stuart Philips at McMaster University in Canada separated subjects into two groups: one group did "heavy" weights for fewer reps (8-12 reps) and the other group lifted a lighter weight and performed more reps (20-25 reps).  Subjects in both groups were "trained" meaning they had a minimum of 2 years of strength training experience (studies with "trained" subjects are often viewed as more credible because applying any type of strength training intervention produces positive results with subjects who are new to strength training).  The researchers required both groups to train to momentary muscle failure.  The result?  After 12 weeks, both groups experienced the same improvements in muscle strength and muscle size.  The researchers concluded, "We provide novel evidence of lifting markedly different (lighter versus heavier) loads (mass per repetition) during whole body resistance training on the development of muscle strength and hypertrophy in previously trained persons. Using a large sample size (n=49), and contradicting dogma, we report that the relative load lifted per repetition does not determine skeletal muscle hypertrophy nor, for the most part, strength development."

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