Running

- Engage triceps as you extend your arms
- Keep core tight

Tricep extension dumbbell

- Start with your hands just outside the shoulders - Bend at the elbows to come down
- Keep your core tight as you lower
- Extend your arms engaging your chest as you push up

Push-ups

- Gert into an elbow plank position
- Twist at your waist tapping the ground from side to side with your hips

D12

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