Received 5 March 2011, Accepted 24 March 2011, Available online 23 June 2011. Spontaneous pneumomediastinum is defined as free air within the mediastinum, not associated with trauma. Causes include exercise, drugs, asthma, vomiting, difficult labour and Valsalva maneuvers. Itâs a rare, usually benign and self-limited condition, more prevalent in young males.
A youth bouncing on a trampoline. A trampoline is a device consisting of a piece of taut, strong fabric stretched over a steel frame using many coiled springs. People bounce on trampolines for recreational and competitive purposes.
A trampoline fitness class hits all these high points and many more. Our fitness instructors have come up with this list of the top ten reasons you should give Trampoline Fitness class a whirl! 1.) Efficient and fun way to exercise. According to NASA research, jumping on trampolines for 10 minutes is equivalent to a 30- minute run, giving you the same benefits in a 1/3rd of the time.