The first is to make yourself better and increase your personal charm. People with personal charm will be more likely to succeed in chatting up people no matter where they are, so if you want to succeed in chatting up people in the gym, you need to improve yourself outside the gym. For example, you can make yourself more humorous. For interesting people, it is generally not easy to be rejected. You can also read more books, and your stomach is full of poetry and self-satisfaction, which can leave a good impression on each other.
The second is to take the initiative to strike up a conversation, and don't be afraid to strike up a conversation. It is normal to strike up a conversation when you meet a favorite type, but many people are afraid to strike up a conversation, and they are afraid to come forward to strike up a conversation when they see someone they like. It is these hesitations that sometimes lose the chance to know each other, so when you see someone you like, you can boldly strike up a conversation.
Finally, try to let yourself know more about fitness, so that you can strike up a conversation by exchanging fitness experience. I think this is the most reasonable way. Everyone comes to the gym to get in shape. If they know more about fitness, they can have more topics to talk about in fitness, which greatly improves the success rate of chatting.
Being in good shape is definitely easier to strike up a conversation. People who go to fitness will pay attention to people with good figure and have no resistance to people with good figure. A good figure means more fitness experience. For beginners, you can learn fitness knowledge from people with good figure. For those with the same good figure, everyone can exchange fitness experience. Therefore, being in good shape is very popular in the gym, which can also greatly improve the success rate of chatting up.