Strength training
Learning Center
5 common mistakes when you squat
Are squats part of your strength routine? Make sure you're doing them right. Learn the most common squat mistakes and how to get back on track.
Acne
Learn more about this common skin condition, including causes, treatments and simple skin care steps you can do at home to help control it.
Autoimmune pancreatitis
Autoimmune pancreatitis is a relatively uncommon disease of the pancreas that may be mistaken for pancreatic cancer.
Body-weight training: Is it effective for strength training?
Body-weight training — Try out this alternative form of strength training.
Brain AVM (arteriovenous malformation)
Tangled blood vessels in the brain affect typical blood flow in this rare condition. Learn more.
Concussion
This brain injury can cause headaches, dizziness, trouble concentrating and other symptoms that often improve within days to weeks.
Core exercises: Why you should strengthen your core muscles
Core exercises strengthen your abs and other core muscles for better balance and stability.
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).
Exercises to improve your core strength
Use these core-strength exercises to tone your core muscles, including abdominal muscles, back and pelvis.
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.
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