Muscles don't mean anything if you can't use them! Never lose sight of your  mobility  when training... you can have strength, balance and coordination without bulging muscles which make movement difficult. Consider this professional act: Those twins have everything: strength, great flexibility for contortion, balance skills... and let's not overlook other slim but very fit guys who are developing their dance moves:   That's Ethan Samuel from Australia, who is becoming known world-wide through competing. So - today we recognise the importance of all movement - mobility in training, running, swimming, and many other sports... Even simple movements in training are important:   Wanna be a ninja? More random activities:  Go climb that mountain! Track and field...  Swim?   And, of course, gymnastics...   ...and, thinking about flying for a moment.. But back to dance: Tyre pulls and running combine mobility and strength/endurance training: ...and, of co...