Strength training
Learning Center
Pericarditis
Inflammation of the tissue surrounding the heart can cause sharp chest pain and other symptoms. Know how pericarditis is diagnosed and treated.
Narcolepsy
Learn more about this sleep disorder that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Mayo Clinic Minute: Why concussion screening is important
Concussion screening can help determine when athletes can return to play.
Keratoconus
When your cornea bulges outward, it can cause blurry vision and make your eyes sensitive to light. Find out about symptoms, causes and treatment for this eye condition.
Isometric exercises: Good for strength training?
Learn more about isometric exercises that contract a particular muscle or group of muscles.
How to live your best life in retirement
No more 9 to 5 means a whole new approach to life. Here's how to embrace retirement with healthy habits that can make your golden years quality years.
Great expectations: How to keep them from creating unhappiness
Expectations are a part of life. But if dashed hopes are getting you down again and again, here's what to do about it.
Free weights or machines: Which are better?
Free weights are versatile and inexpensive. They also simulate real-life lifting situations and promote whole-body stabilization. Likewise, machine weights can be effective weight training tools, as long as you use machines that adjust to your body dimensions and allow full range of motion of your joints. What is the bottom line? Choose a weight training system that you enjoy and that fits into your lifestyle. And whatever type of resistance you choose, remember that proper technique is more important than the specific type of equipment.
Exercises to improve your core strength
Use these core-strength exercises to tone your core muscles, including abdominal muscles, back and pelvis.
Dental braces
Wire-based appliances or clear aligners that orthodontists use to correct crowded and crooked teeth or a misaligned jaw (an overbite or an underbite).
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