To find the correct size of ball for the purpose of exercise the general guide lines are:
Height. Ball Size.
5’-5’7” 55cm
5’8”-6’-2” 65cm
6’3”-6’9” 75cm
Over 6’10” 85cm
Once inflated the ball should match its size in height, to test it is correctly inflated you should be able to push into the ball 1”-2” with your index finger.
When sitting on the ball your thighs should be parallel to the floor with your knees at right angles and feet flat on the floor. Now we are ready to go……
The first skill to acquire is sitting on the ball with the weight evenly distributed through your feet and sitting bones, with a good spinal posture and head erect.
1.
Sit on the ball with a start position as described above. Maintaining your balance slowly lift one foot off the floor, place it back to the start position and lift the alternate foot. To begin with you may need to have your hands on the ball, as your balance improves , take your hands off the ball. progress by folding your arms across your chest, finally have your arms above your head. You can also challenge yourself by bringing your thigh towards your chest, but do not let your pelvis drop back “sag”.
2.
Start position sitting as previously described. Maintaining an upright posture with your weight evenly distributed through both sitting bones and pelvis in neutral, Active the abdominal muscles and alternatively lift foot off floor and straighten the knee. As control is achieved progress by straightening opposite arm towards the ceiling.
3.
Start in sitting position. Sit upright, feet flat on the floor, without moving your feet, engage your pelvic floor and abdominal muscles, tuck your sitting bones into the ball and tilt your pelvis forward and back to start position. Now tilt your pelvis left and right (lateral pelvic tilt) keeping head shoulders and feet still. Finally perform pelvic circles, by combining the above movements to make clockwise and anticlockwise circles.