A CK-MB test may be used as a follow-up test to an elevated CK in order to determine whether the increase is due to heart damage or skeletal muscle damage.
Scuba organizations say recreational divers shouldn't go below about 130 feet, but one Egyptian diver recently ventured a bit deeper -- going more than 1,000 feet below the ocean surface and setting a world record in the process.
Diving without scuba is called free diving   The world records are listed on the link    http://www.impulseadventure.com/freedive/world-record.html   Don't try â¦ without instruction, its a lot more dangerous than scuba    Answer:people can go up to 20(m) without gear. 6 people found this useful. Sperm Whales can dive up to a depth of 3,000 meters. That means that sperm whales can dive up to somewhere between 6,600 and 13,000 ft. Those measurements mean that a sp â¦ erm whale can execute it's deepest dives in the Deep Ocean Zone and go to the Abyssopelastic (Abyssal) Zone, but no further.