The best 'coach' should be updated and have an attitude that motivates you.

Make no mistake! Select your guide to meet your goals in the gym should not be a decision taken lightly.

(BALANCE) - Beyond offering 'muscles', a personal trainer should have theoretical and experience to help you meet your goals, within and outside the gym.

And is that bad choices can not only generarte frustration if you do not get the expected results with your routine, you can also put you at risk of injury and muscle imbalance.

Choosing a personal trainer in a gym or a club recognized, is not guaranteed to be completely reliable. Before you hire, ask for an interview with him in which you can make all the necessary questions, share their experiences and clarify your doubts.

Here we share some tips from professionals to choose the perfect coach:

"Before you begin, you should ask your personal information: medical history, injuries, time available for exercise, tastes and goals, to design a plan that fits your needs," explains personal trainer Carlos Velazquez, who is also manager of a conditioning.

Another recommendation is to check who is knowledgeable in anatomy, physiology, biomechanics and training methodology. To check this, ask if you have any physical health certification.

A coach must have updated continuing education courses at least every two years, recommended by the Council of Exercise of the United States.

It is important a positive mindset that motivates you and makes you feel good, including her appearance is clean and foster greater trust. In addition, you must vary your routine, not only for the exercise to remain effective, but also that you like and you have fun doing so.

Tim Cook will be on May 29 its first conference as CEO of Apple

(13:46) The CEO of Apple, Tim Cook, speaking for the first timeduring an event not organized by the company during a technology conference on 29 May in Rancho Palos Verde, California.

During the tenth conference organized by the technology blog AllThings Digital, you can hear "Cook's perspective on where the industry goes and Apple," wrote the editor Kara Swisher.

New York Mayor Mike Bloomberg, Oracle CEO Larry Ellison and CEO of Zynga, Mark Pincus, are some who will attend theconference.

Before being appointed CEO of Apple, Cook was the chief operating officer of the company, recalled the blog. Cook also led thedrive Apple Macintosh.

How 'soldier prince' Harry tore up royal rule book.

London (CNN) Prince Harry tore up the royal tour rule book on his recent visit to the Caribbean, according to veteran royal photographer Arthur Edwards. Edwards should know, he has covered 200 royal tours, more than anyone.

And it was an extraordinary royal tour. The press coverage surpassed even the media's expectations. Harry was himself and it came across on camera. People around the world enjoyed getting to know Prince William's younger brother.

A royal tour is a series of engagements. Each event is planned months in advance and the press is briefed on what to expect. But with Harry you never quite know what will happen. You know he will arrive and leave, but there is no way to predict what might happen in between.

Isner shocks Djokovic and faces Federer in final

Isner shocks Djokovic and faces Federer in final

CNN) -- American John Isner has claimed the biggest victory of his career with a battling three-set win over world number one Novak Djokovic in the semifinals of the Indian Wells tournament.

World number 11 Isner fired 20 aces, including one on match point, to progress 7-6 (9-7) 3-6 7-6 (7-5) after two hours and 45 minutes and seal a place in the final against Roger Federer.

Third seed Federer defeated rival and world number two Rafael Nadal 6-3 6-4, also sealing the match with an ace.

Isner, who is now guaranteed a place in the world's top 10, was understandably delighted after beating a world No.1 for the first time in his career.

He told the official ATP Tour website: "That's why I play this game, to be able to enjoy moments like that.

"The stadium was packed and there wasn't a spare seat in the house. It was very special when that last ball went by him and I knew I had won the match. "