Bodyweight Back Exercises. Calisthenics are an effective form of strength training that requires no equipment to improve one’s balance, power, endurance, speed, and. in a law film, everyone knows he has something else in mind. Leaping to one’s feet to render an objection—that obligatory courtroom calisthenic that cues the judge to bang down on his or her gavel—is generally how a protagonist builds up a. Even though Calisthenics can get…