When you train, you gather energy from several sources of fuel found in your body. When oxygen is present, the energy comes from stored glycogen and blood sugar. If you train hard enough, your oxygen level drops and your muscle cells and red...
The buildup of lactic acid in your muscle tissues, while not the cause of pain, can occasionally limit your training. While lactic acid serves a purpose as part of the healing process following training, speeding up the cycle by clearing lactic...
Lactic acid buildup is one of the main reasons why you cannot sustain a high-intensity activity for a more than 20 to 30 seconds, according to Vern Gambetta, author of "Athletic Development." Such activities include sprinting and vertical jumping....
As you work out, your body breaks down sugar into a range of different substances in order to supply your muscles with energy. Providing you are obtaining sufficient oxygen, the end products are water and carbon dioxide. If you are exercising...
Muscle cramps are common injuries that affect both active and sedentary people, but cramps caused by lactic acid usually are seen in people undergoing strenuous activity. Lactic acid builds up and prevents your muscle from contracting properly....
Lactic acid results from intense exercise. As your body burns energy, lactic acid develops in your muscles, and your body works to clear it. When you produce lactic acid faster than your bloodstream can clear it, you have surpassed your lactate...
Lactic acid forms in your muscles and red blood cells when your body breaks down carbohydrates to use as fuel. This process occurs when you are low on oxygen, particularly during intense exercise; intense anaerobic exercise, like weight training,...
If you've ever exercised your muscles to the point of exhaustion, you have also felt the burning sensation of lactic acid. This acid is produced by your body when oxygen is limited, as is the case with anaerobic exercises like weightlifting....
Everybody experiences muscle aches, particularly after strenuous exercise. The most common agent behind this is lactic acid or lactate. Lactate is formed in the muscles due to the incomplete breakdown of sugars during intense exercise. The pain is...
When working out for a high level of repetitions at a high intensity, two things can happen. First, you will notice burning sensations in the muscles being trained; that is lactic acid. After finishing your exercise, your muscles will be engorged....
When you exercise, your muscles require energy to contract. Your muscles get energy from a molecule called adenosine triphosphate. ATP is "charged" with energy during cellular respiration. CR involves the breakdown of energy-yielding molecules...
Many people want toned abs. Whether you are looking for a ripped six pack or a lean midsection, the proper ab exercises can help you achieve your goal. Ab exercise should include workouts for all three sections of your abs; upper, lower and...
Steam rooms and saunas are a fixture in almost every health club across the United States, and can also be found in many private homes. While many saunas use dry heat and high temperature, steam rooms use humidity, heat and lower temperatures....
When you are climbing a nearly shear rock face at 2,000 feet, strength alone is not enough. You must also have the endurance to hang on. Endurance is similar to strength, in that it must be developed through rigorous muscle use. While you can...
When you exercise, you rely on your muscles to produce the energy to power you through a daily run, weight lifting routine or sports game. If you don’t get enough oxygen to your tissue, your muscles start to produce lactic acid. Many...
Everyone who exercises knows the feeling of a burning, heavy sensation in the muscles after a vigorous set of reps or a long run. Burning sensations while working out are painful and make it difficult to continue your exercise. The sensation is...
Many athletes blame lactic acid for muscle soreness and fatigue during exercise. Research conducted by George A. Brooks during his graduate school years indicates otherwise. Now a professor at the University of California, Brooks found that lactic...
Lactic acid, or lactate, is a substance produced in your muscles when you need to move quickly or engage in certain other types of physical exertion. The buildup of this substance triggers pain in active muscles and decreases your chances of...
Muscle Milk is a powder that aids muscle growth and speeds up your recovery after workouts. Creatine is a compound that the body produces naturally and is sent through the bloodstream to your body's muscles. Creatine is also available to be taken...
During strenuous exercises such as weightlifting or prolonged exercises such as jogging, you may have felt a sensation similar to burning in your muscles. Although the feeling is unpleasant, it's your body's normal reaction to intense exercise....
Elliptical machines provide an aerobic benefit similar to jogging or running but with less stress on your joints. Beginners may experience soreness in the leg muscles during and after an elliptical workout. In most cases this is caused by the...
Over time, swimming increases endurance and strength as you exercise in a pool. Swimming laps or long distances improves your aerobic fitness, but most competitive swimmers need to perform at maximum intensity for short periods of time, using...
Lifting, or elevating, your legs higher than your heart after exercise feels good and helps promote improved lower-body blood circulation. It does not, however, help remove lactic acid from your legs, and lactic acid removal should not be your...
Creatine is a compound that is produced by your body naturally and also can be taken as a nutritional supplement aimed to increase athletic performance and exercise intensity. Creatine is primarily stored in your muscles and benefits muscle...
Workouts can take a lot out of your body. Muscle glycogen—your body's carbohydrate stores—are depleted, your muscles are flushed with the byproducts such as carbon dioxide and lactic acid, and your muscles may have suffered micro...
Creatine is naturally produced in your liver and kidneys. It is stored in skeletal muscle and used for energy production. Nutritional creatine is available in meats, but many athletes supplement with manufactured creatine to enhance exercise...
When you push your muscles hard in a workout, you might experience a burning sensation. The sensation, commonly referred to as the burn, is caused by a buildup of lactic acid in your muscles. Lactic acid is a natural result of your metabolism;...
Muscle soreness is known to anyone who has engaged in physical activity and exercise. In fact, sore muscles are the product of an increase in exercise intensity, or the start of exercise after a period of inactivity. Soreness in the muscles can...
Strenuous or prolonged exercise can fatigue your muscles and lead to symptoms associated with a muscle pain. Pain may occur during exercise or hours later due to a condition known as delayed-onset muscle soreness, also called DOMS. This muscle...
Learn how to Stretch for the 200m Sprint with expert tips and advice on training and running in this free video clip.
Muscle and tendon inflammation is a painful experience but is easily treatable. Learn more about what it is and how to treat it in this medical video clip.
Painful condition for runners and athletes who do a great deal of running. Cause of compartment syndrome is leg muscles outgrowing their enclosures. Learn more about this condition in this medical treatment video.
Learn About Lactic Acid for the All About the 400m Sprint with expert tips and advice on running and training in this free video clip.
