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Wearable Resistance: How to Get Stronger by Simply Moving, With a Little Help From Small Weights

It’s the time of year to make resolutions to improve fitness and strength, but this may not require a gym membership or even hard work. Strength training can be effective with small weights, provided by household items like a small can of spaghetti or wearable resistance loads incorporated into clothing. You might remember from your school physics classes that strength and force are fairly synonymous. The formula for force was given to us by Sir Isaac Newton: force = mass x acceleration. When you think of getting stronger or improving the force of certain muscles, you may have visions of lifting relatively heavy weights. But because of the large mass, you can’t move a heavy load quickly. As a result your movement velocities and accelerations are small. But the Newtonian formula shows there is another possibility for improving strength. This type of training highlights the velocity and acceleration of movement, …

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