there about 50 muscles in your arm and hand and i don't know how many are in the sholder
the human body arm has 20 muscles.
20
600to 650 are in the youth human body counting the arm and leg muscles.
Muscles in your arm.These are the muscles of your upper arm.
There are many muscles in the human arm; overall the main point is to position the hand where it needs to be to grab and manipulate something, such as food or a tool.
the arm has at least 4 muscles by my book( anatomy book)
There are many arm muscles. The triceps (on the back of your upper-arm) contract when you straighten your arm, and the biceps (the front of the upper-arm) relaxes.
4
The triceps is the muscles that allows the human beings to raise their arms laterally. By doing this it allows the humerus clear.
leg muscles and some times your arm muscles, your brain and your heart for pumping blood.
There are 640 muscles or over 600 muscles in the human body
The muscles of the arm are natural tighteners to the skin of the arm
the arm muscles which are called reflexs. the arm muscles which are called reflexs. the arm muscles which are called reflexs.