myotatic

\\|mīə|tad.ik\ adjective

Etymology: International Scientific Vocabulary my- + Greek tatikos exerting tension, from tatos stretchable (from teinein to stretch) + -ikos -ic — more at thin

of muscular contraction : resulting from stretching — used chiefly of reflexes (as the knee jerk) in which stretching of the associated tendon is followed by a sharp reflex contraction of a muscle