Caffeine

Caffeine can give you a significant edge in the gym by increasing activity in the central nervous system and making you feel more alert and awake. It also sharpens concentration and increases reaction time. The key is to drink a beneficial amount at the right times, without going overboard. (Grove City College in Pennsylvania)

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Medicine ball

In a recent study, baseball players who added medicine ball moves to their training improved their strength, power and athletic performance more than those who used body-weight training alone. (Journal of Strength & Conditioning Research)

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Spinal disks

New research from the University of Manchester in England have discovered that spinal disks have their own 24-hour body clocks that may trigger pain when thrown off schedule. One way to stabilize your body clock and manage back pain may be to keep a regular bedtime and wake-up time.

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