What is a metaphor for gym?

How do we learn to dance? How you can lose weight without losing mass? Why do people say bum? How many calories are burned walking a flight of stairs? What size is 37 in us? What oxygen binding protein found in muscle cells? What muscles are primarily targeted during a single leg bridge exercise? How long does it take to lose 110 pounds if you are 5' 4 and weigh 250 pounds? Are isotonic contractions often preceded by isometric contractions? What muscles are primarily targeted during the cable wood chop exercise? How long does it take to run 7 miles? Should you exercise before or after a meal? How can I effectively perform the doorway pec stretch to improve my flexibility and range of motion in my chest muscles? Where can one find a good Zumba workout online? What is your forearm called? How do you anchor a trampoline to the ground? What are the benefits of using a pull down arm machine for strength training? What methods can be used for accurate body fat testing? Why does breathing increase when beginning exercise? How do you jam a finger and what are the common symptoms and treatments for this injury?