With your arm twisted downward, slowly raise your arm. If this causes pain, you may have tendinitis! Grab the elbow on the side where you have shoulder pain (if your right shoulder hurts, then grab your right elbow) and pull it across your body. If this causes pain, you may have an impingement.
There are certain conditions that are more likely to cause athlete's foot, including: 1  Closed, tight shoes in which the toes are squeezed together. 2  Plastic shoes. 3  Damp socks and/or shoes.  Warm and humid weather 1  conditions. Very sweaty feet.  Minor cuts or scrapes on the feet or toenails.
Causes Of Athleteâs Foot Athleteâs foot is an infection by fungi that feed mostly on keratin, a protein thatâs found in the outer layer of your skin as well as in your nails and hair. These fungi thrive in moist, warm places like socks, shoes, swimming pools, the floors of communal showers, and locker rooms.