1. What is Gait Speed?

Gait speed is a measure of how fast a person can walk, typically expressed in meters per second (m/s). It's a simple but powerful indicator of mobility, functional status, and overall health, particularly in older adults and rehabilitation settings.

2. How Does the Calculator Work?

The calculator uses the basic physics formula:

Where:

• \( Speed \) — Gait speed in meters per second (m/s)
• \( Distance \) — Distance walked in meters (m)
• \( Time \) — Time taken to cover the distance in seconds (s)

Explanation: The formula calculates the average speed over the measured distance, providing a quantitative measure of walking ability.

3. Importance of Gait Speed Measurement

Details: Gait speed is considered a vital sign in geriatric medicine and rehabilitation. It correlates with functional independence, fall risk, and overall mortality. Changes in gait speed can indicate improvement or decline in mobility status.

4. Using the Calculator

Tips: Measure the distance walked in meters and the time taken in seconds. For accurate results, use a standardized walking course (e.g., 4-meter or 10-meter walk test) and ensure the person walks at their usual pace.

5. Frequently Asked Questions (FAQ)

Q1: What is a normal gait speed for adults?
A: For healthy adults, normal gait speed typically ranges from 1.2 to 1.4 m/s. Speeds below 1.0 m/s may indicate mobility impairment, while speeds below 0.6 m/s are associated with high fall risk.

Q2: How is gait speed measured clinically?
A: The most common clinical tests are the 4-meter walk test and 10-meter walk test. The person walks at their usual pace over the measured distance, and time is recorded with a stopwatch.

Q3: Why is gait speed important for older adults?
A: Gait speed is a strong predictor of functional decline, hospitalization, and mortality in older adults. It's often called the "sixth vital sign" in geriatric assessment.

Q4: Can gait speed be improved?
A: Yes, through exercise interventions, strength training, balance exercises, and mobility aids when appropriate. Even small improvements (0.1 m/s) can be clinically meaningful.

Q5: Are there different types of gait speed measurements?
A: Yes, clinicians may measure usual gait speed, fast gait speed, or dual-task gait speed (walking while performing another cognitive task), each providing different information about mobility function.