No, it isn't harmful to lift heavy things while on your period - you can do anything during your period that you would do at any other time in your menstrual cycle. Just be sure to lift from the knees and use any appropriate tools to help you, like any other time lifting heavy things can cause damage if not done correctly.
because we can't lift it with our hand
Straining to life heavy objects can cause a male to get a hernia. It can also cause back issues if he doesn't lift correctly.
By using the principle of levers.
The lever.
For Somethings
You shouldn't drink alcohol, smoke or lift heavy objects
Yep! I am not sure what class but it is! Levers help lift heavy objects. Levers work by the farther you are from the fulcrum or pivot as compared to the heavy objects, the lesser the force you will need to lift or pull the object.
more than force muscles fibres inside the body are mainly responsible for lifting heavy load.force comes from them to lift the heavy load.
To lift heavy objects with ease.
to be trained on how to lift and carry heavy objects
I will need a crowbar for leverage to lift the corner of the heavy box. Leverage is needed to lift heavy objects. She thinks the truth will be the leverage she needs to win the lawsuit.
Hernias sometimes happen in the abdomen from straining to left heavy objects.