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.
A strain is also a stretch or tear, but it happens in a muscle or a tendon. Tendons link muscles to the bones. How Do Sprains Happen? Sprains usually happen when a person falls, twists, or is hit in a way that forces the body out of its normal position. The most common type of sprain is a sprained ankle. About 25,000 people sprain an ankle every day.