Muscle fatigue and muscle cramps can develop. NO MORE than 10 percent each week. Stop walking if joint pain or swelling exists. Drink plenty of fluids, especially in hot or humid weather. Biomechanical problems can affect a walker's performance and increase risk for injury.
Examples are a curved spine, differences in leg length, high arches, and excessive muscle tightness.
A sign of this is abnormal shoe wear. The correct shoes can improve a problem. Proper shoes can also reduce the risk for overuse injuries of the knees and ankles. Terrain, weather, temperature, and air quality can affect a walker's safety and health. Avoid walking on muddy, wet, or icy surfaces.