myoneural [mÄ«â²Å-nÅ«â²rÄl] Type:Term. Definitions 1. Relating to both muscle and nerve; denoting specifically the synapse of the motor neuron with striated muscle fibers: myoneural junction or motor endplate. Stedmanâs Medical Dictionary Â© Wolters Kluwer Health.
On 16-Aug-1960, Captain Joseph Kittinger of the US Air Force parachuted from a helium balloon at an altitude of 102,800 ft (19.5 miles / 31,354m) setting three world records; the highest parachute jump, the longest free fall (85,300 ft in 4 mins 36 seconds) and the first person to break the speed of sound without an aircraft (714 mph).
The United States Parachute Association sets minimum pack opening altitude at 2,000 feet AGL(Above Ground Level as opposed to MSL -- Mean Sea Level) for experienced skydivers, 2,500 feet for slightly less experienced skydivers, and up to 5,500 feet for certain training jumps.