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.
Common causes of itching of the skin on the main part of the body may include contact dermatitis, atopic dermatitis, scabies infection, psoriasis, and folliculitis. Arms. Itching of the arms, especially the area at the bend of the elbow, can be due to atopic dermatitis.