英文關鍵字
adult
anatomical
anatomy
biological
blows
body
bones
boxer
boxers
boxing
contact
contacting
exchange
exchanging
fight
fighter
fighting
fights
footage
health
healthcare
hit
hits
hitting
joint
loop
male
males
man
men
osteoporosis
people
person
punch
punches
radiation
radiography
ray
rendered
ring
roentgen
scan
science
skeletal
skeleton
spar
sparing
sport
sports
trauma