Soccer Free Kick Research Paper

Bio-mechanic of Soccer Free Kick

- Physiology principles
- Different phases in free kicking
- Muscle involvment
- The Magnus effect (ball curve)

Overview:
Soccer or more commonly known as football, is a team sport played between two teams that have eleven players each. The sport is dated back to the Ancient Rome times where they are played with a spherical ball. The sport main objective is to combine movement of body and decision in order to take possession or evade the other half and score against a goalkeeper which is protecting the goal.
In soccer, to be able to kick a ball over a distance while making the movement to swing into the goal, they have to practice to achieve such an amazing skill as this will be further investigate how biomechanical

The opposite arm is to be brought up toward the path the player needs the ball to movement; this is done with the movement of body. As the planting foot comes into contact with the ground next to the ball, the kicking leg is expanding, and the knee is flexing. The foot planting is important because of the amount of elastic energy being stored to swing the leg and strech it out in order to deliver a greater impact on the ball making to travel further, Barfield, B (1998)

Muscle involvement:

- The right ankle is plantar flexed (concentric) by gastrocnemius and soleus.- The right hip is flexed, internally rotated by tensor fascia latae, rectus femoris, gluteus medius/minimus, and iliopsoas (all concentric)- The right knee is extended (concentric) by the quadriceps. (3)

Foot-plant:
The foot placement of the plant foot determines trajectory of the ball, when kicking the ball there is a direct relationship between where the planted foot is facing and the direction the ball is going to travel. The angle of the view that athlete is facing and the optimal angle for this is 45 degrees from the ground. This angle is optimal because it produces greater limb-swing velocity. This results in an increased peak ball

Physicist Gustav Magnus was inspired by idea of this to the point of finding what is presently known as the Magnus impact. This effect ties in with Newton's third law of motion science 'for every action, there is an equal or opposite reaction’. The Magnus effect is a lift force that is utilised to change the flyway of a ball. In the case of soccer, the Magnus impact is utilised to twist or twist the ball with a specific end goal to score an objective past the objective guardian or sidestep a protective mass of adversaries. It is regularly utilised for a soccer free