2011-07-26, 08:53 AM
すんけい is referring to 寸勁 (すんけい), a technique classified under a internal Chinese martial arts term, "Fā jìn" or 発勁 (はっけい) of which is found to generally involve "Issuing or discharging power explosively, and is not specific to any particular striking method.". Wikipedia (unfortunately, the content itself is only in Japanese) concludes the following about the specific techniques:
とし, on the other hand, turned up nothing, likely as it was only 2 syllables.
(might want a more fluent person to check this over)
Spoiler
とし, on the other hand, turned up nothing, likely as it was only 2 syllables.
(might want a more fluent person to check this over)

