action

activity

adversary

against

aggression

athlete

bag

beat

blow

box

boxing

challenge

combative

concept

effort

enemy

equipment

exercise

fight

gym

hand

health

healthy

heavy

impact

indoors

jet

judo

karate

kickboxing

kung

leather

lose

muscular

power

punch

single

speed

sport

strength

target

track

train

victory

violence

win

wrestling

young