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.
Back pain can be caused by a wide range of conditions. Get information about back pain, lower back pain, neck pain, and sciatica, and learn about back pain causes, treatments, and medications. Elbow pain may be caused by tendinitis, bursitis, fractures, sprains, arthritis, cellulitis, tumors, and ulnar nerve entrapment.