diff --git a/README.md b/README.md
index bab1b6a..03d035e 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,11 @@ as a tiny human-readable language that renders to an animated 3D figure in the b
+
+ 
+
+One .posecode document — shoulders: abduct 160, hips: abduct 30, repeat 12 — rendered live in the browser.
+
pelvis: hinge, deadlift |
diff --git a/docs/media/deadlift.gif b/docs/media/deadlift.gif
index b4f7497..b33db55 100644
Binary files a/docs/media/deadlift.gif and b/docs/media/deadlift.gif differ
diff --git a/docs/media/jumping-jacks.gif b/docs/media/jumping-jacks.gif
new file mode 100644
index 0000000..e13dc52
Binary files /dev/null and b/docs/media/jumping-jacks.gif differ
diff --git a/docs/media/lateral-raise.gif b/docs/media/lateral-raise.gif
index 7d50456..d10d45d 100644
Binary files a/docs/media/lateral-raise.gif and b/docs/media/lateral-raise.gif differ
diff --git a/docs/media/squat.gif b/docs/media/squat.gif
index 59d4dbf..6a37be0 100644
Binary files a/docs/media/squat.gif and b/docs/media/squat.gif differ
diff --git a/playground/index.html b/playground/index.html
index d00a113..db84aca 100644
--- a/playground/index.html
+++ b/playground/index.html
@@ -173,20 +173,20 @@
- squat.posecode
+ jumping-jacks.posecode
live
-
Descend
+
Out
- posecode exercise "Body-weight squat"
+ posecode exercise "Jumping jacks"
pose start = standing
- step "Descend" 1.6s ease-in-out:
- hips: flex 80
- knees: flex 95
+ step "Out" 0.5s ease-out:
+ shoulders: abduct 160
+ hips: abduct 30
ground-lock: feet
diff --git a/playground/src/landing.ts b/playground/src/landing.ts
index b8d93b0..743a07b 100644
--- a/playground/src/landing.ts
+++ b/playground/src/landing.ts
@@ -33,7 +33,10 @@ function initHero(): void {
viewer.onPhase(({ phaseName }) => {
if (phaseEl) phaseEl.textContent = phaseName === "reset" ? "" : phaseName;
});
- const { ir } = parse(PRESETS[0]!.source); // body-weight squat
+ // Hero movement: jumping jacks. Full-body, symmetric, and cyclical, so it
+ // reads instantly and loops seamlessly through the neutral standing pose.
+ const heroPreset = PRESETS.find((p) => p.id === "jumping-jacks") ?? PRESETS[0]!;
+ const { ir } = parse(heroPreset.source);
if (ir) {
viewer.load(ir);
viewer.setLoop(true);