Repetitive strain comes from repetitive movement, like tendinitis, or like tennis elbow, is pain that keeps coming back when certain movements are repeated, usually as part of work or training.
This tendon and where it attaches to the bone become painful and there are tiny tears, degeneration. These tiny tears struggle to heal, because of continued use.
With carpal tunnel there is pain, but also numbness and tingling from nerve damage that gets worse and can become permanent the longer you wait!
These are considered overuse injuries which develops over a period of time, but can be the result of a sudden strain as well.
Activities that cause the person to bend the wrist back (like a backhand shot in tennis, or repeated use of screwdriver or wrench) are often the cause, although any repetitive heavy use can cause it. This is in injury that can easily become chronic, lasting months to years if not treated quickly.
The shockwave therapy has a 90% success rate of getting patients to pain-free after 6 sessions. It speeds up recovery. It releases stem cells and T cells in the area, it stimulates the growth of new tiny blood vessels and new healthy nerve tissue. It heals the body, instead of just covering up the pain.