A NOSE dive is a kind of dive where the diver enters the water head first with their arms and legs tucked in. A GAINER is a kind of dive where the diver jumps off a platform or springboard, flips backwards, and lands in the water feet first. A SWAN dive is a kind of dive where the diver jumps off a platform or springboard, arches their back, and enters the water feet first. A CRASH dive is a kind of dive where the diver jumps off a platform or springboard, lands in the water with their arms and legs spread out, and makes a big splash. Finally, a JACKKNIFE dive is a kind of dive where the diver jumps off a platform or springboard, tucks their knees to their chest, and enters the water head first.