Training

Should hip flexor strength be equal to hip extensor strength?

According to various sources, you get an imbalance between the hip extensor muscles (gluteals and hamstrings) and the hip flexor muscles (iliopsoas, pectineus and rectus femoris of the quadriceps group) from running. According to these running specialists, weak gluteals and hamstrings do not allow you to “swing through” your stride. The hip flexors are then

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What are Inflexible Leg Muscles?

It is not uncommon to read that inflexible (tight) leg muscles can put strain on your back and create other problems. Many doctors and physical therapists bring out that runners who come them with back pain usually have tight hamstrings. But what are tight hamstrings? This is never defined or explained — at least as

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