7-Day Walk Streak
Take a walk of at least 10 minutes every day for a week. Check in once a day.
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Fitness · Facts & stats · iChallenge network
Daily facts and stats about human movement, plus real challenges to put them to work.
What type of joint is the shoulder?
In the shoulder the rounded top of the humerus sits in a socket, allowing movement in many directions.

One ranked attempt per day. Practice as much as you like.
Join one, log your days or post your proof. Finishing earns XP and the Finisher badge.
Take a walk of at least 10 minutes every day for a week. Check in once a day.
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Do five minutes of gentle stretching each day for two weeks. Check in after each session.
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Learn a short dance routine from a free video and post a short write-up or link showing what you learned.
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Move each major joint in turn and note what kind of movement it allows. Post a short write-up of your findings.
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Live counts from MoveChallenge.com. All arena stats →
Earned on any arena, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every iChallenge arena. One email when you save; no spam.
Fund a prize on MoveChallenge.com and your brand sits on the challenge card, the leaderboard and every finisher's share. Prizes only appear once they're funded, so players can trust what they see.
Play today's quiz round, post your score, and start a streak.
XP, levels, streaks and badges. Save your progress with an email and it follows you to every arena on the iChallenge network.
Everyone on this arena gets the same five questions each day, from easy to hard. You get one ranked attempt; practice rounds are unlimited.
100 points per correct answer, up to 50 more for answering quickly, a combo multiplier for answers in a row, and 150 bonus points for a perfect round.
Yes. Playing, streaks, badges and leaderboards are free. Some challenges carry a sponsor-funded prize; the challenge card shows it when one is funded.