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Tracking Fitness With the "Heart Rate-Running Speed Index"

Finnish scientists propose a simpler alternative to lab testing.<p>This post isn't as complicated as the graph below might seem at first glance. The basic point is this: as you get fitter, your heart rate at a given running speed should decrease. (Or, conversely, your running speed at a given heart …

Wearable Tech

Study Backs Rotating Shoes to Lower Injury Risk

39% less risk of injury in runners who use multiple shoes.<p>You've probably been told that running in two or more pairs of shoes throughout the week can lower your risk of injury. According to a first-of-its-kind study, you've probably been told correctly, as runners who rotated among multiple models …

Running

Abs Exercises Better Than Crunches

10 Abs Exercises Better Than Crunches<p>Sayonara, situps! Kick your abs workout into overdrive by trying one of these killer tummy-toning moves.<p>If you still think that doing crunches will score you amazing abs, you're in for a rude awakening. Flattening your belly requires multi-muscle exercises that …

Five Reasons for Training Fatigue

Here's why you may be experiencing mid-season fatigue--and how to overcome it.<p><i>I'm training for my fourth marathon this fall and attempting to improve my time. This season I'm struggling with lack of energy and strength in my workouts. The reason I'm writing is that it's lasted for several weeks</i> …

Marathons

Soreness After Long Runs: Is It My Vegetarian Diet?

I'm worried I'm not getting the right nutrition to fuel my training.<p><i>-Laura</i><p>Dear Laura,<p>Thanks for your question because it is a very important one. One of the most valuable gifts running offers us is being in touch with our bodies. We learn to recognize quickly when things aren't quite right, and …

Nutrition

13 Reasons You Aren't As Successful As You Should Be

You’re smart and creative, but for some reason you just never seem to get ahead in life. But whether or not you want to see it, there are very real …

Self-improvement

iOS 7 Leaves Older iPhones And iPads Out Of The Fun

iOS 7 hits iPhones this fall, but only the iPhone 5 and iPod touch will get all the features announced at WWDC. The iPhone 4 and 4S will only get the new iOS 7 look and a splattering of features. And forget about the iPhone 3GS and older iPhones. They will be stuck in the skeuomorphic world of iOS …

In a hurry? We’ve distilled Apple’s WWDC 2013 keynote into 2 minutes of pure information [video]

Apple announced a lot of new software and hardware today at WWDC, including OS X Mavericks, iOS 7, new Mac Pros, and more.<p>If you’ve been out of the loop, or don’t have time to catch up on everything, the video above summarizes everything you need to know about Apple’s WWDC announcements.<p>For more …

Morning Heart Rate and "Functional" Overtraining

Weekly averages, rather than daily measurements, help you keep tabs on fatigue.<p>There's an interesting article just published in <i>Medicine & Science in Sports & Exercise</i> on "evidence of parasympathetic hyperactivity" as a marker of overtraining. It has some interesting insights on the causes and …

Exercise

Why Do My Calf Muscles Cramp When I Run?

Causes could be muscles fatigue, dehydration or other syndromes.<p><i>Doc- Hope you can give me some advice on this. I have been experiencing cramps/spasms in my calves for about two years now. I am 43, and have been running competitively since I was 11. I never had these issues until I ran my first</i> …

Exercise