A gymball has to offer a fine balance between support and instability, if the ball is too rigid or too soft then the effects on your core stabilising muscle will be compromised. The Reebok gymballs all perform to these optimal levels even if you are simply using the ball to sit on at a desk or performing dynamic exercises.
Using the right size ball is important, some people seem to think bigger is better but actually the correct size of ball is based on your height because when lying down this effects the position of your back and pelvis. If you are less than 175cm tall (5 feet 8 inches) then go for a 55cm ball. 176 – 195cm (5 feet 8 inches to 6 feet 3 inches) then you need a 65cm and if you are 196cm (6 feet 4 inches) or more then you need the 75cm. If you are going to use the ball for sitting at a desk (which is a fantastic idea) then you can go for a ball one size smaller so that you don't have pressure on the back of your legs when sitting on the ball.
The materials of the Reebok gymballs are a very high quality and will give you the best performance if you follow this advice. When you blow the ball up for the first time only blow it up to 80% of the correct size then leave it overnight to allow the fibres to 'stabilise' then add the remaining 20% the next day. This will make the surface of the ball smooth and most stable.
The item can be delivered to all addresses within the UK. Northern Ireland and to BFPO addresses.
Boots.com deliver to British Forces Post Office addresses. The charge for BFPO delivery is £6.00, this includes the cost of delivering your parcel to the BFPO sorting office and the charge applied for delivery to your address.
We can't ship aerosols to BFPO addresses. Aerosols will be intercepted and returned to us.
Please also note that certain areas carry specific weight restrictions and parcels over these weight limits are automatically returned to us.
£19.99 or 1,999 points
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The Reebok Gym Ball (55cm) is ideal for sit ups, back exercises, improving your core and general fitness.
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