wicked-naughtily or annoyingly playful; teasing and worrying with impish laughter; a wicked prank. impish, implike, mischievous, pixilated, prankish, puckish, arch. playful-full of fun and high spirits; playful children just let loose from school.
Inspiratory Muscles. The principal muscle of inspiration is the diaphragm, a domed sheet of muscle that separates the thoracic and abdominal cavities. The diaphragm attaches to the lower ribs, as well as to the lumbar vertebrae of the spine.
Contract relax: isotonic contraction of the antagonist followed by passive stretch. Hold-relax: isometric contraction of the agonist followed by passive stretch. Agonist contract-relax: body part is moved actively in the agonist pattern via isotonic contraction of the agonist (active stretch).Slow reversal-hold-relax: isotonic contraction of the antagonist followed by an isometric contraction of the agonist followed by a relaxation phase.ontract relax: isotonic contraction of the antagonist followed by passive stretch. Hold-relax: isometric contraction of the agonist followed by passive stretch. Agonist contract-relax: body part is moved actively in the agonist pattern via isotonic contraction of the agonist (active stretch).