squeezing, stiffening, exerting, flaunting, muscling, loosening, bending, bulking, stretching, straining, reasserting, limbering, jiggling, cozying, kowtowing, hyperextend, wagging, thumbing, prodding, strutting, revving, rubbing, overstretching, gloating, rippling, puffing, strengthening, tugging, wiggling, exercising, contorting, slapping, weakening, clenching, cranking, thrusting, poking, ruffling, atrophied, buckling, meddling, jerking, tearing, beefing, sharpening, wresting, flailing, maneuvering, wriggling, quaking, busting, softening, twisting, patting, toning, pulling, preening, tightening, shaking, wield, unsheathing, bolstering, tweaking, gobbling, waggling, wringing, pounding, tilting, rearranging, wobbling, uncurl, parading, pushing, emboldening, pumping, hammering, appeasing, bulging, quiver, baring, snapping, chafing, unbent, sucking, pummeling, tickling, chaffed, chomping, nibbling, licking, yanking, biding, toadying, lifting, pressuring, overplaying, hogging, manipulating, propping, capitulating, reshaping, expending, dorsiflexion, exertion, flexion, pronation, chilling, straightening, yielding, abrasion, boiling, flooding, fluctuation, flushing, motion, accounting, acrobatic, active, archaistic, convulsed, devotional, freewheeling, improvisational, initiatory, pendular, preparatory, quietistic, relaxation, review, scholastic, testing, action, activist, aerobics

flex