![Fitness & Exercise Tips : Exercise Machines for Bad Knees](https://i0.wp.com/res.cloudinary.com/glide/image/fetch/https%3A%2F%2Fi.ytimg.com%2Fvi%2FOvNTSCRcC3M%2Fmaxresdefault.jpg?w=1200&resize=1200,0&ssl=1)
The main exercise machine for bad knees is the leg extension machine. Start working out a bad knee by using lighter weights and …
The main exercise machine for bad knees is the leg extension machine. Start working out a bad knee by using lighter weights and …