| Adolph or Ady | 3½ twisting front somersault |
| Airplane | ½ twist to front drop (backwards take off) |
| Amplitude | The tightness of a shape (tuck or pike) which earns good form |
| Arabian | ½ twist into front somersault, ie. backwards take off |
| Arabian crash dive | ½ twist into crash dive straight |
| Baby fliffus | From back landing, 1 1/4 front somersault to feet with early half twist. Different move to barani ball-out, though it involves the same amount of rotation and twist from the same take off position. |
| Back-in full-out | Double back somersault with 1 twist in 2nd somersault phase |
| Back pullover | 3/4 back somersault from back landing, usually to feet |
| Ball out | 1 1/4 front somersault from back landing to feet |
| Barani | Front somersault with ½ twist |
| Barani ball-out | 1 1/4 front somersault (from back landing) with ½ twist to feet |
| Barani-in | Double front somersault with ½ twist (in the first somersault phase). |
| Barani-out | Double front somersault with ½ twist (in the second somersault phase). |
| Barrel roll | Another name for side somersault |
| Bed | The springy landing surface of a trampoline, usually meshed but solid beds do exist |
| Blind | Move where the bed is not seen until very late before landing |
| Bluch | From front drop, 180° backwards rotation with half twist, to land on front. |
| Bomb | Back pullover from tucked seat drop position |
| Bottom out | Occurs when trampoline bed and springs reach maximum stretch, usually but not always because the bed reaches the floor. |
| Bounce roll | Front somersault from back landing to back landing |
| Cast | Sideways travel during a move |
| Cat twist | full twist from back landing to back landing (no somersault rotation) |
| Chair of judging panel | New term for the superior judge |
| Checking | Stopping the bounce by bending the knees, ankles and hips |
| Cody | Any somersault from front landing. Usually 1 1/4 back somersault from front, to feet; but (3/4) front cody is also seen |
| Corkscrew | From back landing, 1½ twists to back drop (with 180° forward rotation); ie. cradle 1 twist. |
| Corpse | A flat back landing from toes to head |
| Coverall pads | Frame pads which completely cover the frame and springs for safety |
| Cowboy or cowboying | Pulling the knees apart during tuck shape to shorten radius of gyration and gain more rotation |
| Crash dive | 3/4 front somersault from feet to back landing |
| Cradle | From back landing, ½ twist to back drop (with 180° forward rotation) |
| Desync | When a pair of synchro competitors are out of time with each other in their landings. Also, the degree of desync or the score awarded by the desync judges. |
| Difficulty | Alternative name for the tariff of a routine |
| Dismount | 1. The safe technique of getting off a trampoline
2. 10th or last move in a routine |
| Dolphin | Bounce roll. Also, front somersault from seat drop position |
| Dorso-ventral axis | Axis from stomach to back, around which the side somersault and turntable are done. No award form tariff is made for rotation around it. |
| Double bounce roll | Double front somersault (720°) from back landing to back landing |
| Double full | (Single) back somersault with 2 twists |
| Double bouncing | Two people jumping on the same trampoline, usually asynchronously |
| Fliff or fliffus | Any double somersault with twist. |
| Fliffus ball-out | 2 1/4 front somersault from back with ½ twist in the last somersault phase. Also known as ½-out ball-out. |
| Form | What the judges look for in a routine, ie. good technique, correct body position, straight arms/legs, body tension, etc. |
| Frame | Metal parts of the trampoline which support its structure |
| Free | Body position that is undefined |
| Free bounce | A straight bounce when done in the middle of a routine |
| Forward turnover | Front somersault from feet or hands & knees; usually from hands & knees to back or seat. But also, from feet, free body position to back |
| Full | (Single) back somersault with 1 twist |
| Full-in | Double back somersault with 1 twist in 1st somersault |
| Full-in Rudi-out | Double front somersault with 1 twist in 1st somersault, 1½ twist in 2nd somersault |
| Full-in full-out | Double back somersault with 1 twist in both 360° phases |
| Full-in half-out | Double front somersault with 1 twist in 1st somersault, ½ twist in 2nd somersault |
| Full-out | Double back somersault with 1 twist in 2nd somersault |
| Gain | Travel in the opposite direction to the rotation, eg. travelling forwards in a back somersault |
| Gyroscopic precession | Complex mechanical phenomenon where, during rotation around one axis, if a force is introduced on another axis, a resultant rotation is produced around the third axis. Can be demonstrated by holding a bicycle wheel's axis, then then turning it while it is spinning. |
| ½-in | Double front somersault with ½ twist in 1st somersault |
| ½-in ½-out | Double back somersault with ½ twist in each somersault phase |
| ½-in rudi-out | Double back somersault with ½ twist in 1st somersault and 1½ twists in 2nd somersault phase |
| ½-out | Double front somersault with ½ twist in 2nd somersault. (See barani-out) |
| ½-out ball-out | 2 1/4 front somersault from back with ½ twist in the last somersault phase. Also known as fliffus ball-out. |
| Kaboom | Somersault from front (or back) landing, where a double contact is made. The legs hit the trampoline bed momentarily after the body, reversing the rotation generated from the body. |
| Kick out | Extension of the legs to straight body position after the shape phase of a somersault is shown |
| Killer | Little-used German term for miller-plus (a 4 twisting double back somersault) |
| Kill | To stop the recoil of the bed throwing the performer up. Done by the performer, or a coach (opposite of kip). |
| Kip | Coaching technique to augment the power of the trampoline bed by it being depressed momentarily before the performer's landing |
| Lateral axis | Axis going from side-side around which somersaults are done |
| Layout or lay | Alternative term for the straight body position. ie. layout somersault=straight back somersault |
| Line-out | Good technique where performer neatly places arms beside body on kick-out of a shaped somersault, or whilst twisting |
| Log roll | Full twist from front drop to front drop, ie. similar to cat twist but fro the front |
| Longitudinal axis | Axis from head through the body (like a skewer) around which twisting is done |
| Lost, losing a move (lost move syndrome) | Psychological condition where the performer loses the awareness of body position, or the awareness and technique of a particular move (while probably still able to do other, more complicated moves) |
| Miller | Triple-twisting double back somersault. |
| Miller-plus (aka killer) | Four-twisting double back somersault |
| Optional | Alternative name for the voluntary routine in a competition |
| Out bounce | Controlled straight bounce allowed after a competition routine |
| Periwinkle | 1 3/4 front somersault with full twist in the first somersault |
| Phasing | The balance and timing of executing take-off, shape and landing of a move with good technique. |
| Pike | Body position where legs are straight, together and the body is bent at the hips. For competition, minimum angle is 135° but 90° or less is considered good form. |
| Pike jump | Move showing the pike shape alone, ie. no rotation or twist |
| (pike) straddle (jump) | As pike (jump), but with legs apart. For competition, minimum is shoulder width but 90° or more is considered good form. |
| Ping, pinging | When a move (somersault) is done but takes off not under control, usually travelling and losing height |
| Pirouette | Old term for full twist jump |
| Porpoise | Little-used alternate name for a bounce roll |
| Prerequisites | Moves which are a requirement to be mastered before learning another move, for sound coaching reasons |
| Progressions | Stages in learning a move, usually but not always moves in themselves. Some progressions are necessary but would never really be considered moves in their own right. |
| Puck | Semi-tucked shape (piked tuck) allowable in competition for multi-twisting multiple somersaults. For competition, the rules require an angle between the body and thighs, and the thighs and lower legs, of 90°-120° |
| Quadriffis | Any somersault with twist and 4x 360°=1440° of somersault rotation |
| Radius of gyration | Mathematical term for how 'spread apart' the body is when a somersault or twist is done around an axis. |
| Randolph, randy | (Single) front somersault with 2½ twists |
| Randy ball out | 1 1/4 front somersault from back to feet, with 2½ twists. Occasionally seen in competition. |
| RMI Twist | Relative moment of inertia twist, aka mid-air twist. A technique where twist can be generated in mid air (ie without contact with the trampoline bed), due to coming out of a shape. |
| Roller | Full twist from seat landing to seat landing. No rotation involved. |
| Routine | Sequence of (usually) 10 moves linked together with no straight jumps between |
| Rudolph, rudi (rudy) | (Single) front somersault with 1½ twists) |
| Rudi ball out | 1 1/4 front somersault from back to feet, with 1½ twists. |
| Salto | Alternative foreign (German/Russian) term for somersault |
| Set | Compulsory routine in competition |
| Short | When a somersault has a lack of rotation, usually leads to a bad landing |
| Side somersault | Somersault around the dorso-ventral axis |
| Skill | Alternative term for a move |
| Somi | Short for somersault |
| Split panel | Term when the judging panel's marks are split into two different groups of similar scores. |
| Spotting | 1. Landing in the same place as taking off; keeping in the middle of the trampoline
2. Standing by the side (end) of the trampoline and guarding against falling off |
| Spotting deck | End deck of a trampoline, attached to the frame |
| Spotting mat | Push-in mat used by the coach to provide a softer landing while learning moves; also sometimes seen in competition for use if the competitor needs it |
| Spotting rig | Overhead rig apparatus with a belt, ropes, pulleys and fittings allowing the coach to provide remote support for a move whilst learning. |
| Spotter | Those who do 'spotting', ie. stand by the side (end) of the trampoline guarding against falling off |
| Straddle (jump) | See piked straddle jump. Note, in competition, this is not a body position allowed in moves except the straddle jump. |
| Straight | Body position where legs are in line with body. For competition, thighs must be greater than 135° angle to body |
| Swingtime | Moves done consecutively as in a routine |
| Swivel-hips | From seat drop, ½ twist to seat drop |
| Synchro | Two people jumping on separate trampolines in time with each other |
| Synch, synchronisation | How well the pair of synchro competitors are in time with each other, judged by the difference in height of the landing. |
| Tariff | Numerical score given to a move/routine based on the amount of rotation, twist, shape, etc. |
| Throwing | 1. "Having a go" at a move, without practising and mastering all the progressions. Usually unsafe and leads to bad technique.
2. Poorly executed (somersault) take-off which loses height and control. |
| Tilt Twist | A method of mid-air twist where the body's symmetry is changed during somersault (lateral) rotation, causing a difference in moments between the left and right sides, which results in a twist around the longitudinal (twisting) axis. |
| Travel | Movement along the trampoline bed in the same direction as the rotation, ie. travelling backwards in a back somersault |
| Trial judging | Judging done by the panel, guided by the superior judge, before a competition starts (usually during competitors warm-up), to set a consistent benchmark of judging |
| Trick | Alternative, slang, name for 'move' |
| Tuck | Body position with legs bent at the knees and hips. For competition, both angles must be 135° or less. For good form, legs must be bent 90° or less and hands must grasp the legs below the knees. |
| Turntable | From front landing, full twist around the dorso-ventral axis to land on front. Also half-turntable, where rotation is 180° around dorso-ventral axis. |
| Triffus, triff | Any triple somersault with twist |
| Twister | Generic term for a twisting single somersault, eg. full, rudi, double full, randy, etc. |
| Vol | Voluntary routine in competition (the performer's choice of moves, and is awarded tariff score). |
| Wrap | Drawing the arms in near the body to speed up the twist |
| The Zone | A psychological condition where a competitor, shortly before and during a competition, can block out all external disturbances to maximise concentration on the performance |
