Special judo fitness test The Special Judo Fitness Test (SJFT) is a specific evaluation test divided in three effort periods (A = 15 s; B and C = 30 s each) with 10 s intervals between them.Briefly, each partner was positioned 6 m apart and the participant was required to run to each partner and then throw them as many times as possible using the ippon-seoi-nage technique, and all involved athletes had a similar height and body mass. Just after and 1 min after the test heart rate (HR) wasmeasured. The throws were summed and the following index wascalculated