diff --git a/app/src/main/java/com/example/medilightv2android/managers/GreenZoneConstants.kt b/app/src/main/java/com/example/medilightv2android/managers/GreenZoneConstants.kt
index cfc1f9a..330bf2b 100644
--- a/app/src/main/java/com/example/medilightv2android/managers/GreenZoneConstants.kt
+++ b/app/src/main/java/com/example/medilightv2android/managers/GreenZoneConstants.kt
@@ -31,6 +31,9 @@ object GreenZoneConstants {
     /** Posture pitch 임계값 (deg). |pitch| > 이 값 → LYING, ≤ 이 값 → NON_LYING. dev 모드에서 조정 가능. */
     @Volatile var pitchLyingThreshold: Float = 25f
 
+    /** Posture polling 간격 (ms). PiezoMonitoring 에서 mtb 보내는 주기. dev 모드에서 조정 가능. */
+    @Volatile var posturePollIntervalMs: Long = 3000L
+
     // ═══════════════════════════════════════════════════════════
     // 신호 범위
     // ═══════════════════════════════════════════════════════════
diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
index 5f95080..4e5673b 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
@@ -694,7 +694,7 @@ fun PiezoMonitoringView(appState: AppState) {
             } else {
                 Log.d("ImuDbg", "skip (connected=$isConnected measuring=$isMeasuring auto=$isAutoMeasuring spot=$isSpotInProgress)")
             }
-            kotlinx.coroutines.delay(10000)
+            kotlinx.coroutines.delay(GreenZoneConstants.posturePollIntervalMs)
         }
     }
 
@@ -1853,6 +1853,29 @@ fun PiezoMonitoringView(appState: AppState) {
                             steps = 0,
                             colors = SliderDefaults.colors(thumbColor = MlPrimary, activeTrackColor = MlPrimary)
                         )
+
+                        // Posture polling 주기 (자세 갱신 빈도)
+                        var pollIntervalVal by remember {
+                            mutableStateOf(GreenZoneConstants.posturePollIntervalMs / 1000f)
+                        }
+                        Row(verticalAlignment = Alignment.CenterVertically) {
+                            Text("Poll Interval", fontSize = labelSize, fontWeight = FontWeight.SemiBold)
+                            Spacer(modifier = Modifier.width(8.dp))
+                            Text("%.1f초".format(pollIntervalVal),
+                                fontSize = 13.sp, fontWeight = FontWeight.Bold, color = MlPrimary)
+                            Spacer(modifier = Modifier.weight(1f))
+                            Text("자세 갱신 주기", fontSize = 10.sp, color = MlSecondaryText)
+                        }
+                        Slider(
+                            value = pollIntervalVal,
+                            onValueChange = {
+                                pollIntervalVal = it
+                                GreenZoneConstants.posturePollIntervalMs = (it * 1000).toLong()
+                            },
+                            valueRange = 1f..15f,    // 1초 ~ 15초
+                            steps = 0,
+                            colors = SliderDefaults.colors(thumbColor = MlPrimary, activeTrackColor = MlPrimary)
+                        )
                     }
 
                     HorizontalDivider(modifier = Modifier.padding(vertical = dividerPadding))