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A woman is using an elliptical trainer machine. Image Credit: kurga/iStock/Getty Images NordicTrack makes several different elliptical trainer models. Each model has some basic parts that require maintenance and repair. These are the pulse sensor, which tracks your heart rate; the console, which displays information such as distance, time and speed; the pedals, which move as you run; the drive belt, which is attached to the pedals; and the battery pack, which provides the electricity to run the machine....

Close-up of a scale. Image Credit: Brandy Vazquez/iStock/Getty Images Syntha-6 is a protein supplement often used by athletes or individuals looking for a boost in their daily protein intake. Diets with a moderately high protein intake, along with modestly restricted carbohydrates and fats, can have beneficial effects on weight and body composition, notes a 2008 review published in ​Current Opinion in Endocrinology, Diabetes and Obesity​. Because Syntha-6 is a low-calorie food, it can be used in place of a normal meal to lower total calorie intake, increase protein intake and help promote weight loss....

pieces of chocolate Image Credit: Palle Christensen/iStock/Getty Images When foods are refined, some of their nutrients are lost and then put back in. These foods are then called “enriched.” Fortified foods, on the other hand, have vitamins and nutrients put into them that they didn’t originally contain. This can also occur when a food is low in a certain nutrient, and the nutrient is added in higher amounts. Fortified foods can be found in several forms....

Dicalcium phosphate is commonly added to breakfast cereals. Dicalcium phosphate is a calcium supplement commonly found in prepared breakfast cereals, in pharmaceuticals as an inert ingredient to bind tablets, and in toothpastes. However, too much dicalcium phosphate, or dicalcium phosphate taken in conjunction with other medications, can have negative consequences. In addition, inhalation or skin exposure to the powdered form, if used as a reagent in a laboratory setting, for example, can be irritating....

A new bulging vein on forehead requires medical attention. A bulging vein or ateriovenous fistula that develops on the forehead relates to blood flow between arteries and veins. Sometimes these veins arise as a result of exercise, injury, or underlying health complication such as kidney problems. Bulging veins on the forehead may be characterized by swelling, reddishness, or take on a purplish hue. Treatment options can involve surgery, according to the Merck Manuals Online Medical Library....

Adequate water intake is vital for good nutrition. Image Credit: Michael Heim / EyeEm/EyeEm/GettyImages Health experts say that water is a vital nutrient and recommend drinking plenty of it. The nutritional value of water doesn’t seem too impressive, though. What you may not know is that its composition depends on the source. Advertisement Why Do You Need Water? Water makes up 50 to 75 percent of the human body. It’s an integral component of your blood, saliva, digestive juices, cells and tissues....

Deadlifts require a full range of motion. Image Credit: Jesus Trillo Lago/iStock/Getty Images Bodybuilders, powerlifters and regular exercisers often work deadlifts into their routines. Whether to perform partial or full deadlifts depends on your lifting experience and abilities, as well as your goals – whether you want to work the entire body or isolate the upper body musculature. Either type of lifting, if done correctly and consistently, will help provide a bigger, thicker, more heavily muscled back....

Peanut butter is a nutrient-rich, calorie-dense food that can be a healthy addition to nearly any diet. As with all foods, though, peanut butter isn’t perfect for all situations. While peanut butter can help you bulk up when attempting to gain muscle, using peanut butter as a pre-workout meal isn’t ideal. Peanut butter’s nutritional profile contains nutrients that may hinder exercise performance, but you may experience different results, so see what works best for you....

Experiencing pain when doing push-ups is a sign of muscular strain in the axilla. Image Credit: moodboard/moodboard/Getty Images Pain in the armpits while doing push-ups or after you’ve done them is usually nothing more serious than what it feels like: a pulled or strained muscle or a pinched nerve. The pain may start with a sensation of tightening in your armpit and gradually progress to a sharper, more distinct ache. A deeper look into the specific muscles, ligaments and tendons at play in the armpit may help you find the right course of action for quick recovery and avoiding future injury....

Knee push ups are a good modification for those having a hard time doing a regular push up. Image Credit: undrey/iStock/GettyImages The push-up is a staple of the fitness world, but this seemingly simple exercise requires several muscles to do quite a bit of work in unison. There’s no shame in not being able to do a push-up; even healthy individuals can struggle with the complex motion. Advertisement A knee push-up is a gentler alternative that can help you develop strength, allowing you to work yourself up to the level of fitness necessary for a full push-up....

Last night's leftover quinoa makes for a healthy add-in to all your favorite desserts. Image Credit: fcafotodigital/E+/GettyImages Got a big batch of leftover quinoa in the fridge? If you have a surplus of the super seed (yes, quinoa is a seed!) at your disposal — and have no clue what to do with it — consider turning yesterday’s dinner into tonight’s dessert. Advertisement Baking with quinoa may sound strange, but it's actually an ideal ingredient for desserts....

Sternum pain can be caused by inflammation of cartilage in your chest. Exercise is beneficial for heart, lung, bone and tissue health. However, exercise can sometimes lead to unknown pains that can alarm unsuspecting exercisers. Pain in your sternum -- or breast bone -- during exercise can occur as the result of a variety of conditions or injuries. While most problems are simple and not life-threatening, always consult your physician if you experience sternum pain while exercising....

While you need both cardio and strength training, sometimes, it can help prioritize one over the other. Image Credit: Inti St Clair/Tetra images/GettyImages It’s an age-old exercise debate: Is cardio or strength training better for you? It’s commonly disputed in terms of weight loss or fat loss, but if you’re at risk of developing heart disease, you may be wondering if one form of exercise trumps the other when it comes to heart health....

Do these stretches once a day if you're feeling wrist pain. Image Credit: LaylaBird/iStock/GettyImages All of that typing, texting and swiping adds up — and often, to wrist pain. Advertisement After all, when you force your hands and wrists into weird positions for hours on end, or do the same scrolling motion again and again, all of the tiny tissues in your wrists can get inflamed. And as tendons swell, they can press on each other and restrict each other's movement, according to Cedars-Sinai....

These at-home friendly dumbbell exercises build strength, muscle and boost longevity in older adults. Image Credit: adamkaz/E+/GettyImages Cardio exercise gets plenty of credit for keeping your heart healthy. But weekly strength training has its own benefits, and they get even better with age. Advertisement The perks of resistance training include better strength, energy, mobility and, according to a January 2018 ​Medicine​ & ​Science in Sports​ & ​Exercise​ (MSSE) study, a lower risk of heart disease and Type 2 diabetes....

references Precor: "About Precor" Life Fitness: "About Life Fitness" Cybex International, Inc.: "About Cybex" Core Health & Fitness: "Star Trac" With a little hunting, you can find a treadmill that fits right in your living room. Image Credit: Caia Image/Collection Mix: Subjects/GettyImages Image Credit: Caia Image/Collection Mix: Subjects/GettyImages How We Chose Best for Cardio Best for Strength Best for Virtual Workouts Best on a Budget Best for Variety Best for Durability Factors to Consider Before You Buy 10 Affordable Workout Gear Brands...

Flaxseeds are rich in antioxidants, omega-3 fats and protein, all of which have benefits for older adults. Image Credit: Veena Nair/Moment/GettyImages In This Article Benefits How to Use Growing old is a privilege, but how you treat your body throughout your life can influence how you feel in your golden years. Leading a healthy lifestyle plays a big part in aging gracefully, and that includes filling your diet with nutrient-dense foods....

Size range, fabric quality and product variety are important factors to consider when shopping for workout clothes. Image Credit: LIVESTRONG.com Creative In This Article How We Chose Athleta Old Navy Girlfriend Collective Nike SuperFit Hero Under Armour SheFit Reebok Finding workout clothes in sizes XXS to XL is generally no struggle. But plus-size activewear brands aren't as easy to come by. Fortunately, some brands are catching the drift: All bodies deserve workout clothing options....

What you wear and bring on your run can ultimately impact the quality of your workout. Image Credit: FreshSplash/E+/GettyImages Image Credit: FreshSplash/E+/GettyImages Running Shoes Trail Running Shoes Running Clothes Running Sunglasses Belts and Armbands Water Bottles Running Headphones Running Watches Running Apps Running Socks Manufacturers sometimes market running gear according to gender, so where applicable, we’ve listed both women’s and men’s options below. However, the main difference between most men’s and women’s gear is usually the width and size....

Eating balanced meals with all three macronutrients helps your body stay in tip-top shape. Image Credit: BURCU ATALAY TANKUT/Moment/GettyImages In This Article Carbs Lipids Proteins How They Work Together Carbohydrates, lipids and proteins make up the three macronutrients. You need to eat a lot of these macronutrients each day, and their requirement is higher than that of micronutrients, aka vitamins and minerals. Advertisement All macronutrients are organic compounds composed of carbon, hydrogen, oxygen and sometimes other elements....