1, butterfly machine clip chest: also known as butterfly machine flying bird, it is a kind of flying bird, which mainly exercises the middle seam of the chest;
2, stretcher chest: stretcher bird is also a kind of bird, mainly exercising the outside of the chest and chest groove;
3, supine birds: mainly exercise the lateral edge of the chest, the middle chest groove;
Related reading-the misunderstanding of practicing dumbbells
As we all know, dumbbell is a simple and economical fitness equipment, but few people study