For participant safety and to ensure proper technique is developed, Judo should only be practiced under the supervision of a qualified instructor.
Shime waza (tightening technique) cover both strangulation (occluding blood flow) and choke (occluding the air way). The majority of the techniques, when properly applied will occlude the blood blow.
Nami juji jime - Normal cross strangulation
Kata juji jime - Half cross strangulation
Gyaku juji jime - Reverse cross strangulation
Hadaka jime - Naked strangulation
Kataha jime - Single wing strangulation
Okuri eri jime - Sliding lapel strangulation
Katate jime - One hand strangulation
Ryo te jime - Two hand strangulation
Sankaku jime - Triangle strangulation
Sode guruma jime - Sleeve wheel strangulation
Tsukkomi jime - Thrusting stangulation
Do jime - Torso stangulation