Problem: Adjusting weights in gym machines is annoying, time consuming, and sometimes not as accurate. I actually ran into this problem myself, as I needed to increase the weight on a gym machine but the next insert was 10 pounds more, making it too heavy for me. Moreover, I noticed that doing drop-sets in machines such as the leg curl was unnecessarily hard, since I always had to put down my legs before adjusting the weight.
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Solution: Gym Machines that adjust the weight with voice controls. These gym machines could be extremely accurate as they are not using heavy steel slabs to control the weight; instead they could add more controllable materials such as sand, water, metal pebbles. Moreover, it could have voice control for when its users are doing a drop-set or super-set, so you can adjust the weight in seconds. Their AI would not be limited to the weight, and could do things such as suggest workouts, teach you how to do the exercise, etc.
Biggest competitors of this idea are Smart Home Gyms created by Lululemon, Peleton, and Tempo. Although these companies have innovative ideas they only focus on one type of equipment whereas this model would make most gym machines powered by AI.
Here is an Article about a gym machine called Tonal:
The Tonal is a popular strength training smart home gym that's been advertised everywhere, with endorsements by athletes like Lebron James and Serena Williams. While the Tempo Studio is excellent for people beginning to strength train, the Tonal is our pick for those who are well-versed and want to take things up a notch.
When we tested this smart home gym, we loved its sleek look and were impressed by the hardware. It resembles a cable machine combined with a touchscreen TV and is intended to replace your dumbbells, barbells and weight plates while saving space in your home. It has 13 different sensors to track your form and technique, while the smart handles and bar accessories (an optional additional $495) have a gyroscope motion sensor that keeps track of your reps. Tonal uses up to 200 pounds of total resistance and calibrates your weights for different exercises based on your initial fitness assessment. Before you start a workout, Tonal can also tell which muscle groups are fatigued the day of your workout and makes sure to work around it. For example, if Tonal knows you worked out your legs yesterday, it may suggest an upper body workout today so your legs can properly recover.
Giselle Castro-Sloboda/CNET, Tonal (Best smart home gym for serious weightlifters)
Pros:
It'is a space-saving, wall-installed machine
It's quiet, which works well if don't want to disrupt the neighbors
It functions like a personal trainer
You aren't limited to just using it for the classes, and you can do your own customized workout
Cons:
Your walls have to meet the requirements to install Tonal
The price is high for a machine that doesn't include the cost of its own custom accessories or required professional installation
Market Size: According to VMR, Fitness Equipment Market size was valued at USD 12.19 Billion in 2021 and is projected to reach USD 17.73 Billion by 2030.
Monetization: Product Sale and Patent (maybe)