Dorsal-lumbar exercises
Snake without support
Lie on your back (dorsal decubitus) with knees
bent, the soles of your feet flat on the floor and your hands crossed
behind your head. Make sure the spine is fully resting on the floor.
Raise your feet, until your hips and knees form an angle of 90º
or more - never less - and cross one leg over the other. Hold this
position, which will be the starting position. If your spine should
bother you in this position, alter the angle of the legs until you
feel comfortable.
From this starting position, slowly raise the upper
part of your back and shoulders about 30 degrees vertically upward
(not toward your knees), lower it and repeat. Once you have reached
the highest point (30 degrees), hold this position for at least
1 second.
Make sure your hands do not exert any pressure
against your head. If you should find it hard to avoid this, keep
your arms crossed accross your chest.
When you have performed half the movements of the
series, uncross your legs and cross them to the other side.
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