The dumbbell pullover is a compound exercise that targets both the chest and the back. This is one of the only exercises that works opposing muscle groups at the same time. The movement involves holding a dumbbell directly overhead, so start with a light weight and work your way up after you become comfortable with the exercise. Video of the Day
The term train the trainer is used to refer to the need to provide people who offer training and instruction with training of their own so that they can provide suitable education to their students. People often learn more from trainers who are experienced and who have pursued education to learn to become better at their jobs.
This is the first part of the three-part train-the-trainer continuum (T 3, or T-Cubed) in the Boy Scouts of America. The course introduces teaching techniques and skills to new Scout trainers but is also designed to help all Scouters, regardless of their experience, present effective training.