Due to the unpredictable height of the ball, the hip and knee joint must adapt to the height of the ball when flexing the hip and the knee in the sagittal plane, along the mediolateral axis of rotation. As the ball is coming towards you, flex your dominant hip joint with your knee flexed as well. Once the ball is within reaching distance, slightly flex you trunk, plantarflex your ankle joint, and extend your knee joint to strike the ball.
Trunk:
Flexed
Muscles used- Abdominals
Hip Joint:
Flexed
Muscles used- Iliopsoas and Rectus Femoris (Concentric)
Knee Joint:
Flexed
Muscles used- Biceps femoris, Semi-tendinosus, and Semi-membranosus (Concentric)
Extended
Muscles used- Biceps femoris, Semi-tendinosus, and Semi-membranosus (Eccentric)
Ankle Joint:
Plantarflexed
Muscles used- Gastrocnemius, Soleus, and Plantaris (Concentric)
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