
There are many exercises to increase your arm size that don't require you to use weights. You can also use soup cans and water bottles as weights. To build mass, you have to push your arms past their limits. These techniques aren’t for beginners but can still be very useful. Just follow these tips to build your arm muscles: (*) Do the following arm exercise routines at home to build your muscles:
o Leg swing - Stand with your arms bent. Now, lift your palms and move to one side. Move in a circular motion with your feet planted. Remember to squeeze your biceps and maintain a tight core during the exercise. To do this, place a barbell on your head. Then bend your knees at a 90° angle. Now, place the weights on your chest and pull them towards yourselves.

* The leg swing: This exercise involves extending one leg back and lifting the other one. Concentrate on your triceps and not the biceps while performing leg swings. Ideally, the handstand requires you to hold the weight above your head. Keep your biceps tight and then lower them slowly to your head. These exercises are effective in building bigger arms without weights.
o The handstand involves you putting your arm behind your back. The other arm will be used to support the handstand. You must then stand parallel to your floor and simultaneously hold the other side. This makes it difficult for your forearms, which will make it harder to support your weight. It will also help to develop your arms and biceps. Try holding the vacuum cleaner with one hand, and performing biceps curls using one arm.
The armstand - This is an exercise that works larger arms. You can also use dumbbells or other equipment at the house. You could use a brick, can of soup or a water bottles to do this exercise. One hand can be used to perform this exercise, provided you have a straight back. It will strengthen your biceps and improve your overall body posture.

One-arm pullups: One arm pushups are the best way for your biceps to grow without weights. To hold the object, extend your elbows. Your biceps will be forced to compensate for the lack of support. You can also do it with just one arm if you are having trouble. Aside from being an excellent arm workout, the handstand will make you look good.