It really depends on the coach.
The average professional athlete practices 40 hours a week.
The average Americans the watch sports are two hours
The trampoline allowed many different types of sports participants to practice jumps and leaps. It helped divers practice their technique. It is also useful for those practicing gymnastics.
Saina Nehwal won a Gold Medal for India in 2010 Commonwealth Games.
Saina Nehwal has won one Commonwealth Games Gold Medal which was at the 2010 Delhi Games when she won the Women's Singles.
its not 'saniya nahewal' its saina nehwal!
India so far got two bronze medal in London Olympics one in shooting (Gagan Narang) and one in Badminton (Saina Nehwal)
I practice about 4 hours a day
How many hours does a professional basketball player practice?
Pianists normally practice about 8~9 hours everyday.