Not only does the robot look Terminator-esque, but it's been designed to mimic the muscle system of a human (with bone-crushing strength, of course) and will be programmed with a semi-autonomous AI so that the android can learn new tasks, all of which is just a little too much like the Terminator for our comfort.

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Research has clearly shown that strength training can help to reduce the pace of bone loss, while some studies have demonstrated that such training can actually help to build bone.

FORBES: Why Strength Training May Help You Live Longer

The combination of positive stress on bone from aerobic and strength training leads to stronger, denser and more functional bone.

FORBES: Why Strength Training May Help You Live Longer

The returning Alphanauts can expect about 45 days of physical therapy to regain muscle and bone strength lost during their weightless flight, the second longest in NASA history.

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Despite the exercise regimen, which lasted at least an hour each day, the old Alpha crew can expect weeks of physical therapy to regain muscle and bone strength lost during the flight, the second longest in NASA history.

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The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.

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Strength training also has positive benefits on bone maintenance and stability that eclipse the potential benefits of aerobic weight-bearing exercise.

FORBES: Why Strength Training May Help You Live Longer

The company's femur implant is dense where stiffness and strength is required, but it also has strong lattice structures which would encourage the growth of bone onto the implant.

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"We know low levels may impact muscle strength and bone turnover, but if an athlete has adequate levels there is no evidence of an enhanced benefit to performance, so natural talent and athletic ability is more likely, " Stevenson told CNN.

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