The most common equipment was the boxing strength test machine. There was also a small 20-meter track, professional weightlifting barbells, and various other pieces of equipment.
Tony got started right away, turning on a machine. "John, let's take a look at your physical data first."
"Take off your shoes, socks, and coat, and let's test your height and weight."
John took off his jacket, revealing a small black vest underneath, put his shoes and socks aside, and stepped onto the machine.
"Height: 128 cm"
"Weight: 41 kg"
"You're really short for your age. The average child now is about four feet tall, but your weight is heavier than average, and your muscle density is much higher than that of ordinary people!"
Tony entered John's data into the computer. "Okay, next, let's test your bench press."
"The limit for an ordinary person is 50 kg. If you want, let's start with forty!" Tony adjusted the machine.
"Go straight to fifty; I want to try it!" John said as he lay down on the machine.
Tony shrugged. "OK, the safety features on these devices are pretty solid."
Although John's arms were not long enough, he still completed ten bench presses with ease.
"Seventy-five kilograms—I think I can handle that," John said.
It was adjusted to seventy-five, and he still completed ten reps with ease.
Tony was dumbfounded, adjusting the weights again. "How about a hundred kilograms?"
"Sure!"
John felt the obvious pressure; the movements were no longer easy, but he still completed ten standard bench presses.
"How are you feeling?" Tony asked with some concern.
"One hundred and twenty kilograms—I'm almost at my limit."
Tony adjusted the machine to 120 kilograms. The immense pressure seemed too much for an eleven-year-old, even making Tony a little nervous.
But John still completed ten reps, albeit with difficulty and stability.
John stood up, turned his wrists, and felt power surge from the ground, instantly erasing any fatigue.
"Mr. Stark, my limit is about 120 kilograms. Let's move on to the next test!"
"Don't you need to take a break?" Tony recorded the data. "John, the world record is 450 kg, but the world boxing champion's bench press is only around 130 kg, and their weight is about three times yours."
"In other words, your current strength is comparable to that of a world boxing champion!" Tony looked at the small boy standing in front of him, a hint of awe in his eyes.
"Mr. Stark, let's continue."
John smiled. "The power of a world champion? It's not that impressive. Captain America Rogers' bench press is 545 kg, but in terms of lethality, how can it compare to Tony Stark?"
They continued with the squat strength test.
Squats are the king of strength exercises, favored by powerlifters. However, powerlifters often lack flexibility, which can be a significant drawback.
One hundred kilograms, easy.
One hundred and fifty kilograms, easy.
Two hundred kilograms, success!
Two hundred and forty kilograms—John strained with effort.
At 250 kilograms, John's legs began to shake.
Two hundred and fifty-five kilograms was John's limit.
Tony made a note of this record. A child weighing only 41 kg squatting 255 kg was like a small tabby cat taking down a Siberian tiger!
Then came the endurance test. John ran back and forth on a 100-meter track. Forty minutes passed, and he didn't even break a sweat; he still looked like he had just started.
For the speed test, multiple speedometers were installed on the 20-meter runway to measure John's top speed.
Tony was eager to see John's results.
John, standing 20 meters away, smiled helplessly before sprinting across the finish line.
The final data showed a speed of 8.9 meters per second.
For a child, this was an impressive result, but Tony felt a bit disappointed.
He had expected John to display superhuman performance, and this result fell short of that expectation.
"My legs are only so long, what do you expect?" John said to Tony, slightly annoyed.
"Let's move on to the boxing test!" Tony quickly moved on.
They approached the boxing strength testing machine, a top-quality piece of equipment.
A brand-new machine stood before them. Tony, a bit excited, turned it on. Facing the target, he put on gloves and threw a punch with all his strength.
"Boom." A soft sound followed.
One hundred and twelve kilograms.
Of course, this measured the impact force—the maximum force of the punch, not muscle strength.
John pushed a large platform to increase his height and placed it firmly on the ground so that he could reach the target smoothly.
Focusing on the target, he gathered his strength from the ground, using powerful muscle twists to swing his small fist at the round target.
"Boom!"
A violent collision sounded.
Two hundred and sixty-four kilograms.
The fist target slowly returned to its original position, displaying this data on the monitor behind.
Tony glanced at the screen, then at John. "Do you want to try again?"
"No, I know my current limit."
"Alright, this test is complete!" Tony clicked a few buttons, but something caught his eye.
In the center of the boxing target, a big hole had appeared in the extremely tough cushioning material, almost exposing the metal rod inside.
Tony looked at John's small hands. His fists, no larger than a billiard ball, had struck the target with such force.
It was like the difference between holding a pen and a needle—the smaller force area increased the destructive power exponentially.
Yet, despite the powerful impact and friction, John's ungloved hands didn't show any sign of injury.
This incredible defensive ability, along with the earlier blood test results, made Tony shudder involuntarily.
"John, your punch is strong enough to kill an adult. I should hire you as my bodyguard—Happy can't compare!"
After completing several tests, Tony reviewed the data in his hand, having essentially gauged John's physical condition through these statistics.
"John, you're like a monster. Your physical fitness surpasses that of most people in the world, and you're only eleven years old. Incredible."
Tony looked at John with glowing eyes, pondering whether he should continue researching human enhancement.
"Mr. Stark, your armor is enough to surpass everyone. No matter how powerful humans become, they can't compete with machines. Don't lose sight of that!"
Tony snapped back to reality, looking at John with determination. "Of course, I stand by my theory!"
"Let's go. Your blood composition report should be ready by now," Tony said as he left the room.
John glanced back at the boxing test machine and flicked his finger slightly.
"Hiss!"
A sharp sound filled the air.
The force from the flick caused the entire machine, securely bolted to the ground, to tilt and nearly topple over.
A string of garbled characters flashed on the display before the screen went dark, with a hint of black smoke emerging.
John raised his eyebrows and glanced toward the door. "Phew, good thing Mr. Stark didn't see that!"
He noticed the damaged ground and the twisted machine, then reached out to set the machine back in place.
"I barely used any strength. Maybe I'm not cut out for hand-to-hand combat!"