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Mention the fitness index score formula and its norms for the Harvard Step Test.

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The Harvard Step Test is an effective measure to assess cardiovascular fitness and the efficiency of the heart's recovery following exertion.
Updated On: Feb 17, 2026
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Solution and Explanation

To address the problem, the fitness index score formula for the Harvard Step Test must be provided, along with the standard norms for score interpretation.

1. Harvard Step Test Fitness Index Score Formula:
Cardiovascular fitness is assessed by the Harvard Step Test based on recovery time post-exercise. The Fitness Index (FI) is calculated as follows:

Fitness Index (FI) = \( \frac{\text{Duration of exercise in seconds} \times 100}{2 \times \text{Sum of 3 pulse counts}} \)

Components:

  • Exercise Duration: Typically 300 seconds (5 minutes) if fully completed.
  • Pulse Counts: Measured for 30 seconds each at intervals of 1–1.5 min, 2–2.5 min, and 3–3.5 min after ceasing exercise.

2. Fitness Index Score Norms:
The following benchmarks are used to evaluate fitness levels:

Fitness Index ScoreRating
Above 96Excellent
83 – 96Good
68 – 82Average
Below 68Poor

Conclusion:
The Harvard Step Test Fitness Index Score is computed using the formula:
FI = \( \frac{\text{Exercise Duration (sec)} \times 100}{2 \times \text{Sum of 3 Pulse Counts}} \).
The interpretation norms are: Excellent (Above 96), Good (83–96), Average (68–82), and Poor (Below 68).

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