Remember, you canât out-exercise a bad diet so if youâre eating too many calories each day, it doesnât matter how much walking youâre doing since you will not be able to burn it all off. So, focus more of your attention on the foods youâre eating.
1 Keratosis pilaris causes numerous small, rough, tan or red little bumps around hair follicles on the upper arms, thighs, buttocks, and cheeks.  Keratosis pilaris creates the appearance of gooseflesh, goose bumps, or chicken skin.
Depending on the causes of your rash, at time rash on the arms and legs may not be itchy. The most common causes of itch less rash on arms and legs would include: Bumpy Skin Rash not Itchy. Acne, a long-term skin disease that occurs when hair follicles become clogged with dead skin cells and oil from the skin.