Product Overview

Automated SPPB Administration

High-precision, continuous measurement enabled by LiDAR technology through a fully automated process. No wearable devices or disposable components required.

Typical test time: under 3 minutes.

Automatically generates a report sheet after each SPPB, including SPPB results.

Demo

SPPB in about 3 minutes with AndanteFit

The Challenge

Manual SPPB Assessment Limitations

Human-Related Errors

  • ✗ Reaction time variability: Manual stopwatch timing introduces 100-300ms error per measurement
  • ✗ Observer bias: Different testers may interpret protocol steps inconsistently
  • ✗ Recording mistakes: Transcription errors when logging results

Protocol Compliance Issues

  • ✗ Starting conditions: Inconsistent application of static vs dynamic start protocols
  • ✗ Position verification: Subjective assessment of balance positions
  • ✗ Multi-site studies: Inter-rater reliability challenges across institutions
AndanteFit Solution

Standardization Through Automation

AndanteFit eliminates examiner-related variability and ensures protocol compliance through sensor-based objective measurement.

📏

Precise Measurement

LiDAR technology: Continuous 2D spatial tracking at 10Hz sampling rate. Distance accuracy: ±5mm. Velocity accuracy: ±0.02 m/s.

🤖

Automated Detection

Rule-based algorithms: Automatic start/stop detection, position verification, and repetition counting. No manual intervention required.

📊

Instant Scoring

Real-time calculation: SPPB scores computed immediately after test completion. AWGS 2019 and international guideline compliance built-in.

Hardware

Three-Module System

Gait Speed Module

Sensor: 2D LiDAR (10Hz)
Range: Up to 10m customizable walking distance
Protocols: Static and dynamic start conditions
Output: Velocity profile, acceleration, gait metrics

Sit-to-Stand Module

Detection: Multi-modal sensor array
Protocols: 5-repetition or 30-second tests
Tracking: Seat height, standing time per cycle
Output: Total time, rhythm analysis

Balance Module

Platform: Pressure-sensitive footplate
Positions: Side-by-side, semi-tandem, tandem
Tracking: Center of pressure, sway metrics
Output: Hold time, stability score

Software

Integrated Workflow

Mobile Application

  • Test Administration: Step-by-step protocol guidance with visual cues
  • Participant Management: ID assignment, demographic data collection
  • Real-Time Feedback: Instant test results and quality indicators
  • Offline Capability: Data stored locally, synced when connected

Web Dashboard

  • Data Repository: Secure cloud storage with longitudinal tracking
  • Reporting Tools: PDF export, batch data download (CSV/Excel)
  • Analytics: Cohort comparison, change score visualization
  • Access Control: Role-based permissions for research teams
Performance Metrics

Evidence of Efficiency

<3 min

Average test time per participant. Compared to 5-8 minutes with conventional manual administration (Jung et al., 2019).

r = 0.92

Correlation with manual SPPB. High agreement demonstrated across all components (Park et al., 2021).

ICC > 0.90

Inter-rater reliability. Consistent results across different testers and institutions (Hernandez et al., 2022).

Specifications

Key System Overview

Supported Assessments

  • Automated SPPB: balance, 4-meter gait speed, five-times sit-to-stand
  • Optional: TUG and single-leg stance

Workflow

  • Typical test time: about 3 minutes
  • Automatic scoring and report generation
  • No manual timing or scoring required

Setup

  • Compact layout suitable for small functional rooms
  • Non-contact measurement
  • No wearables, markers, or floor sensors required

Documentation

  • SPPB result sheet generated after each test
  • Includes functional scores
  • Detailed technical specifications available upon request
Product Materials

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