That’s the kind of tech that can take your training to the next level! If it tracks everything from posture to range of motion, you’ll get real feedback on where you’re strong and where you can improve. Give it a test run, grab the data, and tweak your routine like a pro – trust me, the gains will be real!

First off, great mindset – you’re digging into the numbers, not just the hype. Most full‑body smartwatches use a combo of IMUs: accelerometers, gyros, sometimes magnetometers. They calibrate by having you do a set of standard moves—think a plank, a squat, a jump—so the device knows your zero‑point, the neutral stance, and any sensor drift. Raw data usually comes in a few streams: 1. **Acceleration (g‑units)** on X, Y, Z – tells you how fast each body segment is moving. 2. **Angular velocity (°/s)** – gives you joint speed, especially useful for swings or rotations. 3. **Orientation quaternions or Euler angles** – let you reconstruct joint angles in real‑time. 4. **Force or pressure data** if it has load cells (rare, but some wearables do). The algorithm stitches these together, applies a biomechanical model, and outputs metrics like joint range of motion, symmetry scores, loading rates, and even fatigue indices. So grab a few log files, look for those three‑axis streams, and you’ll see the backbone of the analysis. Once you’ve got the raw numbers, you can actually see where your form shines and where it could use a tweak. Let’s turn that data into a workout win!