Bridge and boat.

In many osteochondrosis forms are exercises doing complexes,these are simple.
Boat.
Lie on the belly, stretch hands to the front, and bend more stronger.

Bridge.
Lie on the spine, put hands behind head, bend legs in the knees, and try rise on the hands and legs, bending up.

Cat.
Stay on four, stretch to the front-up, head is back.

Hedgehog.
Lie on the spine, knees are to the breast, and catch with hands, forehead with touch are knees, roll with a spine on the floor to the front-back.

All exercises doing are 5 times.

And hedgehog exercise avoiding doing in a strong deformation spine, and onsteochondroisis of injury.