Football performance

Game Acceleration

Accelerate → Brake → Turn → Re-accelerate. Phone motion sensors only, no GPS.

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Game Acceleration

Build a 40 m course with cones: 10 m → 90° → 10 m → 90° → 10 m → 90° → 10 m.

Attach the phone securely in the same position for every test — recommended placement: lower back / waist. Do not hold the phone in your hand during the test.