Exercises with dumbbells for the elderly

The only dumbbell workout that you need (from 1' 18")

Two exercises to build muscles by Gavyn (from 2' 30" and 4')

Romanian deadlift (4' 15") and Squat and Press (9' 40")

Side lateral (not sideways but a bit to the front, from 9:35)

The military press with dumbbells (Fitness Gym Training)