Sports & Fitness: Performance Training, Rules & Recovery

Elite athletic performance and general fitness are sustained through structured hypertrophy strategies, sport-specific conditioning, and rigorous adherence to injury prevention protocols.

Personal trainer helping woman

Is It Better to Work the Back With Biceps or Triceps?

Split training refers to working out different parts of your body at each session, instead of training your entire body at every workout. For example, you can work out your upper body one day and your lower body another day. Some splits break the body down further.

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Doing some exercise/running/jogging in the park.

Numbness and Tingling in the Nose After Exercising

Exercise is usually a good thing for our bodies, which thrive on movement and flexibility. However, sometimes exercise can cause problems or bring about injuries if you overdo it or have underlying health conditions you may not know about.

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Dark chocolate and coffee bean on a stone table

Can Chocolate Affect You When You're Running?

When you’re trying to decide how to fuel up before and after a run, your go-to strategy may be to down a sports drink and chomp on an energy bar or piece of fruit. However, another option is chocolate.

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Crying woman

Can You Exercise When You Have a Stye?

Exercise is possible when you have a stye, or sty. First, take some things into consideration, though. Styes are caused by Staphylococcal bacteria, which is highly contagious and can spread to other people. Depending on the severity of your symptoms, your vision may be somewhat compromised.

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Man with Sprained Ankle

Does Walking With Crutches Strengthen Abs?

If you are injured, walking with crutches can be a daunting task. It takes coordination and balance, as well as muscle strength, primarily in your arms, although your abdominal muscles will also be engaged..

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Throat Injuries After Stomach Exercises

Most throat and neck injuries occurring as a result of stomach exercise stem from neglecting to use proper form and technique. Exercising abdominal muscles means just that: exercising stomach muscles and possibly gluteal and upper-thigh muscles.

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Cross Country Team Runners

Good Mile Time for a 12-Year-Old

Many adults include running as a part of their regular exercise routine to maintain weight and heart health. Naturally, the popularity of running trickles down to children, who want to keep up with their parents' times.

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Handsome young man exercising with dumbbell in gym

My Upper Back Hurts After Doing Biceps Curls

Properly done, a biceps curl should isolate the biceps muscle, using only that muscle to lift the weight. However, some common mistakes can lead to strain in other muscles, causing pain. Upper-back pain during a biceps curl indicates that there is an issue with your form or that an underlying injury is acting up.

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Can I Do the Treadmill With a Neck Sprain?

The bones in your neck are connected by tendons and ligaments. A neck sprain is a stretch or tear in one of these ligaments, usually caused by turning or extending the neck too suddenly or too far.

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The Relation Between Height and Shoe Size in Adolescents

It’s fun to use formulas to predict your teen’s height – as long as you take such predictions with a grain of salt. Shoe size generally is proportional to height, so it’s used in many height-predicting formulations. Such formulations sometimes take the parents’ height into account, as well.

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African man tying sneaker

Does Having Pigeon Toes Impact Running?

In most cases, a child who is pigeon-toed will gradually outgrow the condition. Even adults who remain pigeon-toed, in most cases, will not experience any noticeable negative effects, including when running.

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Bumps & Warts on the Inner Thighs of Children

When you notice suspicious bumps or warts on the inner thighs of your child, you will naturally feel concerned and you may have many questions. You may wonder what the bumps or warts are and how they got there -- they may be one of several different conditions.

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People at gym doing elastic rope exercises

Can Weightlifting Increase Breast Density?

Weightlifting increases muscle density. Underlying your breasts are your pectoral major and minor muscles. Breast tissue, in front of your pecs, contains no muscle at all, but rather is composed of connective tissue and mammary glands -- called fibroglandular tissue -- and fat.

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Women riding bicycles through mud pond

What Is Mechanical Efficiency During Exercise?

Mechanical efficiency is an exercise term that describes the ratio of work output to work input during physical activity. The more efficiently you move with the least amount of effort expended, the greater your mechanical efficiency.

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Woman exercising with dumbbells on fitness ball

Getting Fatter After Going to the Gym

You're fed up with your body type, have bought a gym membership and started working out. But exercising at the gym won't necessarily have the pounds of fat falling off your body.

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Back Pain and Exercise With a Kidney Infection

Exercising with a kidney infection might relieve pain for you once you start undergoing medical treatment. Physical activity releases endorphins in your body, which are the body’s natural pain killers. Not all exercises, however, are good for the back pain you experience with a kidney infection.

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How To Get Back Dimples

Back dimples, or Venus dimples, are desirable indentations on either side of the spine just above the butt. Back dimples are caused by a visible cleft in the sacroiliac joint and are widely believed to be genetic. However, a high percentage of lean athletes sport Venus dimples.

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Eating Before a HIDA Scan

The hydroxy iminodiacetic acid scan, or HIDA scan, is also known as a cholescintigraphy scan. This test measures the function of your liver and gallbladder with a small amount of dye or radioactive tracer.

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My Throat Tightens & Closes During Exercises

It can be hard to breathe when your throat feels as if it’s suddenly tightening or closing during exercise. The problem is caused by vocal cord dysfunction, a condition that affects the vocal cords, or voice box, in your throat.

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