RANKED: The world's 20 strongest militaries. Despite budget cuts and a reduction in size, the US has maintained its position as the world's strongest military, according to a report on globalization from Credit Suisse. While the US is still far and away the world's top military superpower, Russia and China are its closest rivals. Canada, however, is the weakest of the twenty countries on the list. Credit Suisse acknowledged the difficulties of determining comparative military strength in its report.
Running Form Mistake #1: Heel Striking. Erik Isakson/Getty. Heel striking is when your feet are landing in front of your hips, so your heel is hitting the ground first. Ideally, you want to land mid-foot, or on the ball of foot.
1 Plantar fasciitis is a syndrome of heel pain due to inflammation of the thick ligament of the base of the foot. 2  A tight, inflamed plantar fascia can cause pain when walking or running, and lead to the formation of a heel spur. 3  Overpronation. 4  Pronation is a normal movement of the foot through the gait cycle.