Your biceps muscle is attached with tendons to the top of your humerus and to the end of your radius near your elbow. what would happen if the biceps were attached to the top and bottom of your humerus instead?

Your hands will ultimately not move and become functional if such attachment will occur. This is because the attachments of the muscles, tendons, and bones of the humerus, ulna, and radius are all connected to move the arms, forearms, and hands in a chain reaction. 

Covalent bond is the correct answer