Zero-gravity combat training
Zero-gravity combat training or null-gravity combat exercises were a part of standard Starfleet Academy training.

In 2024, upon seeing Ricardo wearing an EVA suit costume, Cristóbal Rios jokingly hoped that he had undertaken his zero-gravity combat training. ()

Malcolm Reed experienced an unfortunate condition during his zero g training in the EV simulator at Lunaport which was also called "the Vomitorium" by Starfleet trainees. Phlox later told him that this was noted in his medical file. ()

James T. Kirk and Spock conducted null-gravity combat exercises together aboard the  a week prior to going on the Vedala expedition. 

They later employed some of their null-gravity combat training during the expedition to combat Tchar, after he activated a gravity neutralizer in the Skorr temple, forcing those on the expedition to "fly and fight as a Skorr." ()

In 2373/2063, when the crew of the  found out that that the Borg that had infested the ship were outside on the hull building an interplexing beacon on the ship's deflector dish, Captain Jean-Luc Picard asked Lieutenant Commander Worf if he had remembered his zero-g combat training. Worf revealed it made him sick to his stomach. Despite this, Picard, Worf and  went onto the hull to stop the Borg. ()
Education
Martial arts