Muscle soreness, on the other hand, isn't always a sign to take a day off.

WSJ: Restaurateur Scales Up to an Intense Routine

Thus, vegetarians are at risk for iron deficiency and this also has been associated with muscle soreness.

CNN: Could low iron, protein contribute to soreness after exercise?

Some vegetarians, however, are deficient in protein, iron and certain vitamins and minerals, which can be associated with muscle soreness.

CNN: Could low iron, protein contribute to soreness after exercise?

Consuming a fruit and soy protein smoothie before or after working out may help improve your recovery and decrease muscle soreness.

CNN: Could low iron, protein contribute to soreness after exercise?

Said to improve circulation and reduce muscle soreness, compression material can ease an injury so excruciating that simply breathing can hurt.

CNN: March Madness, this year with more padding

Its not unusual to experience mild muscle soreness in the first 1-2 weeks, but if you have worsening muscle soreness or pain, its important to consult your doctor.

FORBES: Why Strength Training May Help You Live Longer

So by alternating doing a weight training workout one day in the gym, then going for a walk the next day, you can help speed up your recovery from your weight training workouts, reduce muscle soreness, and burn some bodyfat at the same time.

FORBES: Lee Hayward

Commonly reported symptoms of intercostal muscle strain include stabbing or sharp pains associated with breathing, as well as soreness or a deep ache in the ribcage.

FORBES: Could Intercostal Strain Affect David Wright's Opening Day?