Physics. the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation. on the same wavelength, in sympathy or rapport: We seemed to be on the same wavelength from the moment we met.
Causes of Elbow Pain. Elbow pain is sometimes due to arthritis, but in general, most elbow pain results from overuse injuries. Sports or any activities and professions that require repetitive hand, wrist or arm movements are more prone to elbow injury. Common causes of elbow pain are bursitis, elbow strains, and arthritis.
Mild Elbow Pain. 1  What You Should Know: Elbow pain can be caused by many things. Muscle strain and overuse can cause elbow pain. 2  Cold or Heat: Some people find that a cold or heat pack helps with the pain. Cold Pack: For pain or swelling, use a cold pack or ice wrapped in a wet cloth.