Lodge a stability ball between the head and a wall.
Gently press into it from various angles.
This can be press - release - press - release, isotonic, or press - hoooold - release, isometric.
Because you're relying solely on your neck-muscle strength to train, IT'S A NECK FITNESS !
"There's no danger of using too much resistance... My stab-ball is part of the furniture! ... It's the chair/stool I use at my computer and to watch tv on; rolls under the desk when not in use." JOHN MACHIN a kind of fitness encyclopedia whose collaboration was crucial for this article.
A 55 cm-diameter ball is optimum. But because in some areas, example Britain, the standard size is 65 cm, which is far too big for the average person and the average living-room.
It may take a little more time to find a 55 cm stab-ball, but it's worth it.
...Because thinking about you, balls and home workouts today, here another fitness exercise you can try :
• Right foot on the ball, left leg in the air,hands on the floor. Flex the right leg to draw it under the torso (kept static) and extend back to starting position. Repeat 5 times.
• Switch to left leg on the ball, right leg in the air. Repeat x 5.
• Both feet on the ball. Repeat x 5.
• Keeping both feet on the ball, press-up 5 times.
That’s four continuous sets using hundreds of muscles. You can add a fifth set by doing press-ups while simultaneously flexing the legs (down-flex, up-extend) …