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* 1. Do you run on a treadmill?

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* 2. Do you mind running on the treadmill?

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* 3. Why do you run on a treadmill (check all that apply)?

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* 4. Effort-wise, which is easier for you when running the same pace, running on a treadmill or running outside?

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* 5. When you run on the treadmill you (check all that apply):

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* 6. When running outside, are you relatively better at:

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* 7. Are you comfortable running on technical surfaces (for example: rocks, ruts, roots, snow and mud).

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* 8. In the last five years I’ve experienced and/or been diagnosed with these injuries/issues (check all that apply):

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* 9. Any other information you'd like to share relating to these questions?  Thanks for your participation!

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