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.
The other 40 percent can be attributed to the causes listed above. Diabetes is by far the most common cause of neuropathy in feet, and it can lead to severe complications in the feet and legs. Diabetic peripheral neuropathy happens when the nerve fibers in diabetic patients are damaged.