Someone who is not active does not have as much strength as someone who is active. Someone who is not active does not have as much modification workouts that can be used. This means they only have a limit when it comes to working out!
hope this helps! :)
-alondra
They need to be carefully managed because if we run out of the non renewable resources then we will have to change how we live and we also need to manage the renewable resources because if we do not then the Earth will be filled with pollution.
Answer:
When you don't have proper body alignment, then the curl ups could be too easy or too hard.
This could also cause injury, due to improper stretching of the muscles.
Some tips would be: (<em><u>You may choose any two of them</u></em>)
1.) keep your feet about 12 inches/1 foot aways from your bottom.
2.) Stretch properly before doing curl ups to prevent injury.
3.) Lay on something soft to prevent spine aching/injury.
4.) Instead of putting your hands behind your head, put them in an X shape across your chest. This can prevent neck injury or aching.
5.) Don't let your feet lift off the ground, have a friend hold them down. Never put gym weights on them, as that can cause injury to your feet.
The answer is a .com website
The Diaphragm needs to be fitted by a doctor.