Movement Health, shareable report cards, and plain-English explanations of every reading.

• Movement Health — a single verdict on your watch: Healthy, Minor issues, or Needs attention, rolled up from rate, beat error, amplitude, and stability
• The verdict names the reading holding it back, so you know exactly where to look
• Share a report card with the trace, all four readings, and the verdict — send it to your watchmaker, post it to a forum, or save it to Photos
• New "What the Numbers Mean" section in How To: what rate, beat error, amplitude, beat rate, and rate stability actually tell you, and what a healthy value looks like