Understanding the 5 Times Sit to Stand Test
The Five Times Sit to Stand Test (FTSST) is a simple, quick, and non-invasive way to measure lower extremity strength and dynamic balance. It is particularly valuable in assessing older adults for functional decline and fall risk. During the test, a person sits and stands up five times as quickly as possible, with their arms folded across their chest. The total time, recorded by a stopwatch, indicates their performance level.
Normal Scores for Healthy Adults
Normative data provides a benchmark against which individual performance can be measured. It is crucial to remember that these are average scores for healthy, community-dwelling populations and that individual results can vary.
Based on research and clinical guidelines, here are some commonly cited normative values for healthy adults, stratified by age and sex:
- Ages 20-29: Approximately 6.0 seconds.
- Ages 30-39: Approximately 6.1 seconds.
- Ages 40-49: Approximately 7.6 seconds.
- Ages 50-59: Approximately 7.7 seconds.
- Ages 60-69: Approximately 8.4 seconds for males and 12.7 seconds for females.
- Ages 70-79: Approximately 11.6 seconds for males and 13.0 seconds for females.
- Ages 80-89: Approximately 16.7 seconds for males and 17.2 seconds for females.
- Ages 90+: Approximately 19.5 seconds for males and 22.9 seconds for females.
Factors Influencing Your Score
Several factors can influence a person's FTSST score, which is why a single "normal" number is not applicable across the board. These include:
- Age: As shown above, performance naturally slows with increasing age.
- Sex: Research indicates that women often have longer completion times than men in older age groups.
- Body Mass Index (BMI): Higher BMI can be associated with a longer test time.
- Height and Weight: These can also have an effect on performance.
- Overall Health Status: Pre-existing health conditions can impact muscle strength and balance.
Interpreting Your Results and Identifying Fall Risk
Beyond just looking at average scores, clinical cut-off scores are used to identify individuals who may be at an increased risk of falls or functional decline.
- ≥ 12 seconds: A score of 12 seconds or more in community-dwelling older adults may indicate the need for further assessment of fall risk.
- > 15 seconds: Scores over 15 seconds suggest an increased risk of recurrent falls for older adults.
- > 16 seconds: In individuals with Parkinson's disease, a score greater than 16 seconds is associated with increased fall risk.
It's important to consult with a healthcare professional to interpret your results within the context of your overall health.
How to Improve Your FTSST Score
Whether your score is higher than the normative data or you simply want to improve your lower body strength and balance, here are some actionable steps:
- Strength Training: Regularly perform exercises that target the legs, such as squats, lunges, and calf raises. These will directly improve the muscle groups used in the sit-to-stand movement.
- Balance Exercises: Incorporate activities like single-leg stands, tai chi, or yoga to enhance your balance and stability.
- Practice the Test: Performing the sit-to-stand motion regularly, perhaps for five to ten repetitions at a time, can help increase speed and efficiency.
- Stay Active: Regular walking and other forms of cardiovascular exercise improve overall physical fitness, which can translate to better test performance.
- Seek Professional Guidance: A physical therapist can provide a personalized exercise plan to address specific weaknesses or mobility limitations.
Comparison of Age-Related Norms (Bohannon, et al.)
Age Group (Years) | Male (Mean Time ± SD) | Female (Mean Time ± SD) | Notes |
---|---|---|---|
20-29 | 6.0 ± 1.4 sec | 6.0 ± 1.4 sec | Norms for this age are consistent across sexes. |
60-69 | 8.4 ± 0.0 sec | 12.7 ± 1.8 sec | First group showing significant sex differences in performance. |
70-79 | 11.6 ± 3.4 sec | 13.0 ± 4.8 sec | Performance time continues to increase with age. |
80-89 | 16.7 ± 4.5 sec | 17.2 ± 5.5 sec | Higher times indicate potential for increased fall risk. |
90+ | 19.5 ± 2.3 sec | 22.9 ± 9.6 sec | Further increased times, emphasizing importance of mobility monitoring. |
The Clinical Significance of the FTSST
The FTSST is more than just a measurement of how quickly someone can stand up. A person's score can predict future health outcomes, including the risk of hospitalization and the need for a caregiver. This simple test can be a powerful motivator for individuals to engage in exercises that maintain or improve lower body strength and balance. Minimal clinically important differences (MCID) have been identified, meaning even small improvements can signify a meaningful change in functional ability. For example, a 2.5-second decrease in test time can indicate a significant improvement in function and reduced fall risk.
Conclusion
Understanding what is the normal score for the 5 time sit to stand is crucial for anyone interested in their functional mobility as they age. Normal scores vary based on age and sex, but a faster time is always indicative of better lower body strength and balance. By comparing your results to established normative data and cut-off scores, you can gain valuable insight into your current functional status. Proactively working to maintain or improve your score through regular exercise can significantly reduce the risk of falls and help ensure a higher quality of life for years to come. Remember to consult with a healthcare professional before beginning any new exercise regimen to ensure it is appropriate for your individual needs.
Visit Physiopedia for a detailed guide on the Five Times Sit to Stand Test.