Simple. when standing up we need energy to oppose gravity while sitting down, most part of our body is in contact with some surface, so we require less energy. The muscle activity required to maintain balance is more demanding when standing than when sitting.
For most fish, the fins help maintain balance while swimming.
While growing.
Animals on four legs can balance while asleep, so many of them do sleep standing up, Most especially you will see this in prey-type animals like horses, which would have a need to start running at any second if a predator jumps out at them.
Yes, it is reported that Ernest Hemingway had a habit of drinking alcohol, such as his favorite drink of mojitos, while standing up at various bars and establishments. This practice was part of his preferred writing routine and personal lifestyle.
Balance may mean many things, the most common is balance as in balance beam. A balance beam is a sick like figure about three feet off the ground. It is used for many gymnastics competitions.
Someone standing up while the boat is manoeuvring.
SPEED:Quick lateral movements can be ingrained by placing a pillow on the floor and hoping sideways from foot to foot while maintaining a balanced upper body. An excellent resistant drill is to attach a rubber sport cord around your waist, then have a partner hold one end while you runBALANCE AND COORDINATION:Trying to balance standing on one leg can be a challenge, however if you want to improve balance and coordination try standing on semi-circle foam tubes (available at most physical therapy practices) and doing one-legged dipsFLEXIBILITY:The best thing one can do preseason is to establish a stretching program.
Most birds use their tails for balance and steering while flying. Some use them to show off and attract mates. For birds that can't fly, the tail could just be for balance while running like with the ostrich.
They are really heavy and most players prefer seat-straps.
Taking a step, feeling yourself imbalanced, and compensating by shifting your weight on the fly in order to maintain balance. You could simplify it further by saying that even just standing still requires a negative feedback loop in order to stay standing.
Tire out of balance is the most likely cause. Can also be a bent wheel.