The esophagus is a muscular tube that contracts in a wavelike manner during swallowing to help move the food and liquid you eat and drink to your stomach. Sometimes, the esophagus spasms and contracts, which can lead to choking.
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People who sit at a desk to work most of the day often complain of lower back pain from remaining in the same position for extended amounts of time.
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The human body works hard to maintain a relatively neutral pH. The pH level measures the acidity or alkalinity of the body. The pH scale ranges from 0 to 14, with 0 being a very strong acid and 14 being a very strong base, or alkaline. According to Dr. Ben Kim, the body's plasma needs to maintain a pH between 7.
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Ear piercing is one of the earliest types of body modification. It was replaced by the popularity of clip-on earrings in the 1900s, but pierced ears came back in style in the 1950s. Many people pierced their own ears at home until jewelry stores and doctors began offering the service.
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Heart rate is controlled by electrical signals sent through heart tissue. A healthy adult heart rate is 60 to 100 beats per minute at rest. Many people, however, experience an elevated heart rate and for a variety of reasons.
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Elliptical machines are some of the most popular cardio machines found in a gym. A variety of ellipticals exist on the market, including some that incorporate an arm workout along with the typical striding movement of the legs.
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Picture yourself enclosed in the small, dry and hot depths of a sauna. As the scent of the aromatic cedar engulfs you, you stretch your tired muscles, feeling them relax. Researchers believe the nomadic Finns enjoyed this same experience thousands of years ago. The Finns used these "sweat baths"
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Phentermine is a prescription drug used to suppress appetite. Physicians usually prescribe phentermine to significantly overweight or obese people, not to people who want to lose a few pounds.
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A confident woman is self-assured and feels comfortable in her own skin in or outside a relationship. Confidence is simply being yourself and embracing who you are -- to do so, you don't need a man at all. If you know where your talents lie, you should capitalize on them and incorporate your strengths into your career.
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Foot and toe pain are very common problems among runners. The foot takes a great deal of stress and must hold the full weight of the body on a small surface area. When you factor in the pounding the feet take during a run, you can see why they are prone to injuries.
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The gyro ball is a gyroscope-based workout tool, which helps the fingers, wrists, forearms, upper arms and even the shoulders gain strength. Small movement in the forearm and wrist make the ball spin faster inside the shell. The gyro ball can develop up to 35 pounds of resistance force as the ball increases in speed.
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Your monthly period can put a crimp in some of your daily activities, but swimming and exercise shouldn't be a problem. Some women think swimming while on their period is not an option, especially if they don't wear tampons, but that isn't true.
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The gluteal muscles make up the largest muscle group of the body and are one of the most frequently exercised muscle groups of the body, according to Mark Anders of "ACE Fitness Matters."
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Creating cocktails, or bartending, can be basic or intricate. Creating simple mixed drinks is easy, but mixing specialty martinis, combination shots and complex concoctions is more difficult.
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