If your strength workout is limited to resistance machines, it’s time to get up and grab some weights. Not only are they more convenient and cost-effective if you’re working out at home, but using free weights vs. machines actually offers more performance benefits, too. According to trainers and science, incorporating them into your workout routine is the surest way to strengthen your muscles, burn calories, and become better at pretty much everything you do. Win-win.
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At a conference in 2012, Luc van Loon was presenting some exciting data from a newly published study. After a heroic research effort that took 2.5 years and 500,000 euros, he and his colleagues had managed to shepherd a large group of frail, elderly subjects through a six-month strength-training program. Those who had taken a daily protein supplement managed to pack on an impressive 2.9 pounds of new muscle. Success! Old people could be strong!
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The knee is the largest joint in the body. People use it heavily every day as they walk, run, climb, or jump. As a result, it is also very prone to injury and pain. When these occur, a doctor may recommend exercises to help a person strengthen the muscles around the knee.
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