The main point of attention is to keep your back straight! Then bend down and get down! Get off slowly, get up quickly.
And skipping rope is better! Last in the group 100? Hold on. Five groups? Cooperate with squatting together.
If you want to practice shoulder width, you should first do some stretching exercises.
As for dumbbells, you should have a dumbbell and a chair with a backrest.
Sitting in a chair, only the butt and back rest on the back of the chair, the waist is empty.
Then lift the dumbbell, then put it down, with your arms at a 90-degree angle.
I made a map for you.
More importantly, you can lift dumbbells and do side lifts with your arms.
The strength of reducing fat is mainly small weight and many times!
Go to the gym to practice equipment.
Do aerobics after practice, which is very effective!