Measuring heart rate variability (HRV) used to involve a doctor’s visit. Now you can use smartphone applications to measure, track, and evaluate HRV on your own.
Every body is different, so ideal squatting depth may be affected by factors such as your range of motion, strength, and current or past injuries.
Month 5 is the toughest in our six-month training program, with longer workouts, challenging exercises, and fewer days off. Get ready!
Sure — if it's done correctly. Here are some tips.