Soreness and bruising in the toes is not unusual for runners, especially if you are training for a long race or have recently amped up your mileage. When you run, your feet slide forward in your shoes and more blood flow is sent to the feet and toes. Over time, fluid can build up under the nail, explains "

Organizing your weight-training workouts into split routines allows you to spend more time on each muscle group. This is ideal for lifters who are trying to build muscle mass and must spend a significant amount of time in the gym.

Couch potatoes, beware. A sedentary lifestyle is associated with a high risk of health complications including obesity, type 2 diabetes and heart disease.

Both shoulder shrugs and upright rows work your trapezius, but upright rows also work your shoulders. So while upright rows work more muscles, the shrug allows you to work a solitary muscle harder, as you can use far more weight when performing shrugs. For best results, combine both exercises in your exercise program.

Your muscles make up some of the most integral tissues in your body. Whether you're a 20-year-old body builder, or a 70-year-old retiree, exercise -- particularly resistance exercise -- continues to play an important role in your muscle health.

Welts are raised, red or skin-colored blisters and lesions on your skin of varying shapes and sizes. If you have a full body rash characterized by welts, you may have hives. Allergies can produce hives, a condition that typically is not life-threatening; however, other symptoms of an allergic reaction can be fatal.

A hurricane workout is an intense training method that combines extreme cardio with muscle-building weight training and stretching exercises. The 20-minute routine designed by Martin Rooney is based on muscle confusion and fatigue, followed by rapid repair, which maximizes the time you spend working out.

Getting ripped comes down to dietary discipline and exercise habits. According to the American College of Sports Medicine, the more consistent you are with your diet and exercise routine, the faster you’ll cut body fat. For most people, three months is enough time to expose a six-pack.

If you're like most people, you produce 1 to 4 pints of gas and pass gas about 14 times daily, according to the National Digestive Diseases Information Clearinghouse. Although gas is a normal part of health, it can cause abdominal discomfort, result in an unpleasant aroma and lead to embarrassment at social functions.

Russian twists are one of the best ways to work your obliques, the muscles that help rotate your torso. The obliques are often neglected by bodybuilders seeking a tapered torso, women who want a smaller waist and fitness fanatics obsessed with the "8-pack."

The farmer's walk may look unusual, but it's a very effective strength exercise. To do it, pick up one or two dumbbells, hold them by your sides and walk around your training area for a distance, like 30 yards, or a time, like 60 seconds.

Strength-training exercises offer some impressive benefits, namely that they not only help you build muscle, but also burn fat. They also increase your metabolism long after your workout. You don't need a lot of different exercises to get the results you seek.