There's unfortunately no secret shortcut to building muscle and toning your body. But if you're just after the extra strength, not the six-pack abs, the TitanArm exoskeleton lets you cheat your way to impressive feats of heavy lifting.
The HULC exo-skeleton, Lockheed Martin's prototype heavy lifter for infantry troops in the field, has its battery and is now ready for human trials. If they're successful, field tests could be close on their heels.
The Power Loader "dual-arm power amplification robot" uses 18 electromagnetic motors that let the wearer lift 220lbs without blinking. It gets its name from the exoskeleton from Aliens (get away from her you bitch!), and even has force-feedback.
Remember that HAL (Hybrid Assistive Limb) exoskeleton from the real-life Cyberdyne? Ahead of plans to rent the suit to those with mobility issues (or Iron Man fantasies), it's now being tested on the streets of Tokyo. Here's the video: