Experiencing muscle soreness after a workout relates to the amount of stress placed on the body during exercise. Although the common “no pain, no gain” mindset holds some importance to progression, muscle soreness does not directly indicate an effective workout.

If you’re playing tennis at a higher intensity and duration than normal, you may experience delayed onset muscle soreness which causes muscle stiffness and soreness 24 to 48 hours after vigorous physical exertion. Your arm muscles can also be sore from overuse during tennis or an injury.

Thoracolumbar fascia is the connective tissue located on your lower back. Your thoracolumbar fascia acts as a bridge between your glutes and your lats muscles. This helps transfer forces safely from your lower body to your upper body. The fascia also helps stabilize your spine and assists your erector spinae muscles.

Muscle fatigue can result from overtraining, exercising your muscles beyond their current endurance level or improper nutrition. After exercise, your muscles might ache, and you might find it hard to do anything beside crash in a chair from the fatigue you feel.

Exercise is vital for 13-year-old boys for both physical and mental development. It is important to encourage physical activity at this age because it can turn into a habit that will last a lifetime.

One common side effect of exercise is tingling or numbness in the extremities, including the feet. Although the cause is usually a minor problem such as tight-fitting shoes, this sensation could indicate a serious problem. If your foot falls asleep during exercise, don't panic.

One of the many reasons the average person works out is to see a change in physique. One unexpected change that many women experience is a reduction in breast size. Exercise helps you reach a caloric deficit.

The sacroiliac joint, also referred to as the SI joint, is at the base of the spine where the spine and hip meet. Dysfunction of this joint can cause excruciating low-back and leg pain.

Vaginal spotting can be at best socially awkward and at worse an omen of serious disease. According to "William’s Gynecology," ovulation and your period typically stop, via the menopause process, at an average 51 1/2 years.

It is not uncommon to experience some muscle soreness and stiffness after beginning a new exercise program. DOMS or delayed onset muscle soreness is the soreness that occurs a day or two following exercise. DOMS is primarily a result of small tears that occurred in the muscle fibers during exercise.

Raw eggs and milk make a protein-packed drink that should be taken after a workout to help muscles recover and restore glycogen in the muscles. However, raw eggs may be dangerous.

Superset workouts maximize your results, increasing your muscle gains twofold. Whether you're trying to get more definition in your muscles right before a big competition, or you just want help building more muscle mass, supersets are one of your most effective options.