First of all, dumbbells can exercise our deltoid, pectoral, biceps brachii, triceps brachii, trapezius, latissimus dorsi and so on. Almost all the usual training parts are included. For deltoid muscle, you can consider the actions of front flat lift, side flat lift and leaning side flat lift. For the chest muscles, you can use actions such as birds. For biceps brachii, standing dumbbell bending alternately and sitting dumbbell bending are both good choices. Triceps brachii, dumbbells, arms bent and stretched behind the neck. For trapezius, you can use dumbbells to lift this action. Dumbbell rowing is the best choice to exercise latissimus dorsi.
In addition, dumbbells can also provide some leg strength training, such as weight-bearing squats and lunges.