Please provide links to YouTube channels or applications with video tutorials
In addition to strength training, fitness bands are good for stretching. Lying on the floor, raise one leg, put an elastic band on the foot and pull the leg towards the face.
EXERCISES WITH RUBBER FOR THE UPPER BODY
We perform each exercise for 10-15 repetitions on both hands. If you are a beginner or have planned a short workout, do the exercises in one set. If you are an experienced practitioner, you can repeat each exercise in 2-3 sets (or in 2-3 circles).
Stretching the elastic behind the back
Elastic Row for Back
Pull of the elastic to the chest
Elastic pull to the shoulders
Also about fitness classes here https://just-gym.ru/ read more.