Sit up straight on the ball with your legs out in front of you. You should also take air pressure into consideration.
An exercise ball when size properly makes for an active chair when sitting at a desk.
What size stability ball for desk. Your height determines what size ball you need. They should be at a 90 degree angle to your thighs and parallel to the ball. At first you can place your calves in front of you so that they are touching the ball.
Over 6 feet and youll need a 30 inch ball. Get a 26 inch 65 cm ball if you plan to use it in place of an office chair and your desk height is between 29 and 30 inches 74 to 76 cm. Because the ball will deflate when you sit on it choose a ball that has a diameter which is 4 inches 10 cm larger than the height of the chair you are replacing.
Fully inflated a 55 cm ball is 22 inches from the floor and a 65 cm ball is 26 inches from the floor. This will give you added stability while learning to use the ball. Typically the firmer the exercise ball the more challenging the exercise.
You should be able to sit with your knees at a right angle and your. 511 to 6 7 height. If youre 5 feet 6 inches to 6 feet 2 inches then youll need a 26 inch ball.
Measure the distance between the floor and your hips and compare to ball measurements. This allows it to fit in between desks with drawers where larger balls may not fit. Especially when starting when you need to get used to it or after hour long sessions.
At 52cm its smaller than typical balance balls. Exercise balls are sized by their diameter in centimeters. The gaiam balance ball chair is best suited if youre in between 5 and 5 11 tall.
Generally if youre 4 feet 8 inches to 5 feet 5 inches tall buy an 18 inch ball. Inflate the ball until you can sit on it with your feet resting flat on the floor and your legs at a 90 degree angle to the floor. For general exercise applications a 45 cm ball is appropriate for anyone up to 5 feet tall.