1. Equipment types: There are many kinds of abdominal muscle fitness equipment, such as supine board, abdominal curler, abdominal muscle wheel, etc. You can choose the right equipment according to your own needs and preferences.
2. Equipment quality: poor quality equipment may cause harm to the body, so you must pay attention to the quality of the equipment when purchasing.
3. Equipment price: Different brands and models of abdominal muscle fitness equipment have different prices, so you can choose the equipment that suits you according to your own budget.
4. Brand and after-sales service: When purchasing abdominal muscle fitness equipment, it is recommended to choose a well-known brand and understand its after-sales service policy.