A sensible way to exercise your back muscles is to do pull ups. By making use of your own body weight, pullups provide resistance comparable to your personal weight. Simply locate a pullup bar, and pull your chin over the bar. For anyone who has never done pullups or experienced limited exposure to them, it could be hard for that initial few times, so try using a chair to help you.
To ride your bike more effectively practice with one leg. Riding one-legged pushes you to focus on good pedaling. Put both legs on the pedals, but let one go limp. At the bottom of the stroke pull up. This can better distribute the work load in your major leg muscles.
Ride your bicycle with one leg! Using only one leg at the same time to propel your bicycle in short distances will help you build up more of your leg muscles. By using one leg both to push recorded on the pedal also to pullup you'll be working more than one set of muscles. Your riding will improve dramatically too.
Fitness is a goal many people attempt to achieve by strength training at the gym. The truth is, all you need to maintain every one of the muscles from the body are six simple exercises: the pushup, the pullup, leg raises, squats, handstand push ups, and bridges. These 6 simple body weight exercises will keep you in perfect condition for life and do not require any expensive exercise equipment or personal trainers.
A great way to help you to get fit would be to start doing compound lifts. Compound lifts are lifts including the the bench press, squat, pull-up, and deadlift. These lifts can be better than isolation lifts since they use more often than once muscle. Isolation lifts tend to just use one muscle.