Photo by Alexander Redl on Unsplash
When an athlete lifts their foot and it strikes the ground in front of the hip, the foot has to pause for the hip to pass overhead before it can leave the ground. This results in extended contact time with the ground, while the other foot spends a prolonged time in the air. Sprinting essentially aims at minimizing the duration of contact with the ground, consequently reducing air time.
In order to achieve this, the foot should ideally land as the hip is moving overhead, allowing the foot to lift off immediately and create a driving motion. The foot, thus, forms a crescent shape in the front and a straight line at the back. The hip must surpass the foot for the foot to lift off the ground, ensuring that the runner is supported effectively.
A common error in running is trying to push off from both feet. This leads to a surge of power moving vertically instead of horizontally. Thus, it is vital to ensure that the push-off happens from the front foot, driving through and ensuring a fast movement from the first step to the second.
The back foot plays a minor role in the push-off, contributing around 10% of the power. If the back foot is pushing, it moves back while the runner attempts to pull it forward, leading to inefficient motion. The back foot should move slightly back, remaining free to move swiftly and drive forward.
When sprinting, it is essential to align your forces and drive your body in a straight line. Any external rotation may lead to side-to-side movement, deviating from the most efficient path from point A to point B – a straight line.
Maintaining linear motion is crucial, with the hands playing a pivotal role in determining the movement of the legs. The hands should move in a straight upward and forward motion, driving the entire body along the same path. Any deviation, such as letting the hands cross the midline of the body, may lead to a drift at the feet level, disrupting the straight-line sprinting motion.
One key aspect of a powerful sprint is the ability of the hip flexors to pull the leg up without compromising the runner’s posture. This is where the strength and flexibility of the hip girdle come into play.
A practical exercise that enhances hip strength and flexibility is a basic walkover. In this drill, the athlete walks over each hurdle with alternating legs while keeping their hands raised. This helps maintain good posture, with the shoulders positioned in front of the hips, and the hips in front of the foot.
Some people believe that running on their toes is the correct method. However, toe running often forces the hip out of position, causing early ground contact in front of the hip, leading to a braking motion. Therefore, an attack of the ground using the ball of the foot, also known as dorsiflexion, is preferred.
The foot should land under the hip while the hip passes over the ball of the foot, propelling the runner forward and maintaining the momentum. Every drill, whether plyometric, running, or weight training, should start with dorsiflexion. Athletes should attack the ground with the ball of their foot, driving it into the ground to create forward momentum.
A: The foot should ideally land as the hip is passing overhead, allowing the foot to lift off the ground immediately. This creates a driving motion, with the foot forming a crescent shape at the front and a straight line at the back.
A: The back foot contributes about 10% of the power in the push-off. It should move slightly back and be free to move swiftly forward, aiding in efficient motion.
A: Linear motion ensures the most efficient path from one point to another – a straight line. Any external rotation or side-to-side movement deviates from this efficient path, reducing the effectiveness of the sprint.
A: Strong and flexible hip flexors can pull the leg up without compromising the runner’s posture. Exercises like the walkover drill can help enhance hip strength and flexibility, ultimately improving the sprinting technique.
A: Dorsiflexion involves attacking the ground using the ball of the foot. It helps maintain momentum and prevents early ground contact, which can lead to a braking motion. Every sprinting drill should start with dorsiflexion to ensure efficient movement.
Sprinting is an intricate blend of timing, force alignment, body positioning, hip flexor strength, and dorsiflexion. Ensuring that the foot lands as the hip passes overhead helps minimize ground contact time, enhancing speed. Moreover, pushing off from the front foot and maintaining a slight backward movement of the back foot promotes efficient motion. Sustaining linear motion is crucial, with the hands’ movement playing a pivotal role in directing the legs. Strengthening and enhancing the flexibility of the hip flexors also contributes to powerful sprinting. Finally, utilizing dorsiflexion to attack the ground promotes forward momentum, crucial for an effective sprint.
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