Commonly used techniques include Traction-countertraction External rotation (eg, Hennepin technique) Scapular manipulation Cunningham (massage) technique Davos (autoreduction) technique Stimson (dangling weights) technique FARES (fast, reliable, and safe) technique Many techniques (eg, Hennepin, scapular manipulation, Cunningham, FARES) can often be done without sedation, but they require time for muscles affected by spasm to adequately relax; patients must be able to focus their attention on relaxation.