Strength training isn’t just for bodybuilders or powerlifters.

It’s ONE OF THE MOST POWERFUL TOOLS for improving metabolic health.

Here’s The top 3 ways how strength training boosts your metabolism:

1. Increases Muscle Mass

Muscle is metabolically active tissue; it burns more calories at rest than fat.
So, the more lean muscle you build, the higher your resting metabolic rate (RMR) becomes. Roughly 1 lbs of muscle burns 6–10 calories/day at rest (vs. 2–4 for fat).

2. Excess Post-Exercise Oxygen Consumption and Non-exercise activity thermogenesis

After a strength training workout, your body uses more oxygen to repair tissue, restore energy, and cool down — this is called Excess Post-Exercise Oxygen Consumption (EPOC). You keep burning calories for up to 24–48 hours after your workout. Strength training gives you more energy — so you move more during the day without realizing it. That’s “non-exercise activity thermogenesis,” aka NEAT.

3. Improved Insulin Sensitivity

Strength training enhances how your body uses carbs and fat for energy, reducing fat storage and improving cellular energy and efficiency. This is done through muscle tissue because muscle is one of the largest sites for glucose disposal.

When you strength train, you: Build more muscle mass, increasing the capacity for glucose uptake. depleting muscle glycogen and creating a need to replenish it, this makes your muscles more “hungry” for glucose afterward.

On a cellular level strength training increases the activity of GLUT4, a glucose transporter protein. Exercise causes GLUT4 to move to the cell membrane of muscle cells. This increases glucose uptake independent of insulin during and after exercise. Over time, it makes muscle cells more responsive to insulin. The final way strength training can affect metabolism on a cellular level is through mitochondria. Lifting weights enhances mitochondrial function in muscle cells, this better function leads to improved glucose oxidation. Lowering the amount of glucose freely circulating in the bloodstream.

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