BIOMECHANICS

1. 1. What muscle is involved in the Approach Phase ?

• Deltoid

• Glutes maximus

• Biceps

2. 2. What does the research focus on?

• Ball design and material

• Weather effects on free kicks

• kinematics of Cristiano Ronaldo's free kick

3. 3. How many phases are involved in a free kick ?

• 4

• 6

• 3

4. 4. Which muscles are primarily active during the Swing Leg Loading Phase ?

• Triceps, Soleus, Trapezius

• Pectorals, Hamstring, Tibialis

• Gastrocnemius, Hamstring, Quadriceps

5. 5. Which muscles are used in the Plant Foot Placement phase ?

• Gastrocnemius, Hamstring, Glutes maximus

• Gluteus Medius, Soleus, Latissimus Dorsi

• Quadriceps, Soleus, Trapezius

6. 6. What does a knee angle of 82 degree in the swing leg indicate ?

• Fully extended knee

• Standing still phase

• Significantly flexed knee before contact the ball

7. 7. What does a hip angle 0f 213 degree indicate ?

• Sitting position

• Extended leg backwards for greater power

• Low squatting angle

8. 8. What part of the body helps generate power through rotation during a free kick ?

• Ankles

• Torso and hips

• Arms

9. 9. Which muscles are involved in the Follow Through phase ?

• Quadriceps, Hamstring, Glutes Maximus

• Biceps, Trapezius, Soleus

• Tibialis, Latissimus, Pectorals

10. 10. How far should the non - kicking foot be from the ball ?

• 12 - 15 inches

• 1 inch

• 6-8 inches