pertaining to a concentric or eccentric contraction that occurs at a set speed against a force of maximal resistance produced at all points in the range of motion.
there are mannt differnt things that make this answer trualso the feeling if it is cruelnothing else to add
isokinetic
2 major types. Dynamic (with movement) and static (non-moving) dynamic involves Eccentric, Concentric, isotonic, and isokenetic static exercises are mostly isometric
Defensive Tackle, maybe Defensive End.