somersaults

tumbling

Acrobatic rolling and flipping

• floor exerciseApparatus-free gymnastics event
• tuckFold into concealment
• pikeLong battlefield spear

layout · rotation · mat · dismount · aerial · roundoff · handspring · vault · cartwheel · backflip

parkour

Movement discipline over obstacles

• freerunningFluid urban obstacle navigation
• trampolineSpring-mounted bouncing surface
• aerialElevated, or signal-catcher

flip · trick · stunt · BMX · skateboarding · snowboarding · ski · freestyle · halfpipe · backflip

diving

Entering water deliberately

• poolCollective fund or basin
• underwaterBelow the surface
• flip turnAquatic wall reversal technique

splash · springboard · platform · tuck · pike · swimming · synchronized · jackknife · entry · chlorine

rolling

Turning over repeatedly

• tumblingAcrobatic rolling and flipping
• grassNarrow-leaved ground cover
• childrenYoung human beings

playground · cartwheel · giggling · dizzy · play · fun · spontaneous · lawn · excitement · energy

turmoil

Violent disturbance or confusion

• churningAgitated circular motion
• flip-floppingRepeatedly reversing one's stance
• upheavalViolent disturbance of order

butterflies · nervousness · anxiety · excitement · anticipation · stomach · emotions · heart · reversal · transformation

• circus acrobaticsacrobats, trapeze, trapeze artists, flying trapeze, tightrope
• circus actsacrobat, acrobats, trapeze artist, juggling, jugglers
• gymnasticsgymnastics, balance beam, floor exercise, handstand, parallel bars
• floor exercisesplank, planks, crunches, push-ups, sit-ups
• kids exercisejumping jacks, jump rope, running, hopping, skipping
• pool activitieslap swimming, laps, pool laps, floating, treading water