Pectoral Muscles, Biceps, and Triceps.
You should not bend down at the waist and lift up a heavy parcel using your back muscles. Always bend down at the knees, keep your back straight, and lift using your leg muscles.
it is impossible. in order to get those muscles you have to do some heavy weight and lift heavy things.
Lift Heavy and eat healthy if you want to add muscle
Bend at the knees, keeping the back straight, and lift using the power of the thigh(quadriceps) muscles and calf (gastrocnemius and soleus) muscles.
lift really heavy and do low reps
your muscles burn when you exert yourself because when you lift heavy or lift for an excess ammount of reps you get a build up of lactic acid in your muscles
The shoulder muscles
more than force muscles fibres inside the body are mainly responsible for lifting heavy load.force comes from them to lift the heavy load.
more than force muscles fibres inside the body are mainly responsible for lifting heavy load.force comes from them to lift the heavy load.
Lift heavy things. Put them back down. Repeat.
Biceps function to lift your forearm up to touch your shoulder. They are often used in cooperation with the muscles in your back to lift heavy objects.
By using the principle of levers.