What this helps track
The 30-Second Sit-to-Stand Test records how many complete chair stands you perform in 30 seconds, helping you track functional lower-body performance over time.
30-second sit-to-stand test
Beta
30-Second Sit-to-Stand Test on iPhone and iPad
A guided chair-stand check for lower-body strength and endurance.
Why it matters
Standing from a chair combines lower-body strength, balance, coordination, and endurance. Repeating the same short test with a consistent setup can make gradual changes easier to describe and discuss with a care team.
What this assessment measures
The 30-Second Sit-to-Stand Test samples functional lower-body strength and endurance during a familiar movement: rising from a chair and sitting back down. Performance also depends on balance, coordination, joint comfort, chair height, and technique, so the result should be treated as a task-specific count rather than a diagnosis or a pure measure of muscle strength.
How it works
What a typical session looks like
Each session is short and guided end-to-end, so you can focus on the task.
- 1Choose a stable, straight-backed chair on a non-slip surface and clear the surrounding area.
- 2Set up your iPhone or iPad. Manual counting is the default; camera-assisted counting is optional.
- 3Begin seated near the middle of the chair with your feet flat. Cross your arms only if you can stand safely without using your hands.
- 4On the start cue, rise to a full standing position and sit back down as many times as you safely can in 30 seconds.
- 5Repeat future sessions with the same chair, counting method, footwear, and setup so the results are easier to compare.
What your results show
Results show the number of complete stands recorded in 30 seconds and how that count changes across sessions. A single count does not diagnose a condition or determine fall risk. Look for patterns across comparable sessions, and note when pain, fatigue, medication timing, chair height, arm use, or counting method changed.
Example tasks
Guided assessments in this category
Tasks are designed to be short, repeatable, and easy to complete on iPhone or iPad.
- A standardized 30-second chair-stand session
- Manual repetition counting by default
- Optional camera-assisted repetition counting
- Repeat sessions using the same chair and setup
Commonly used for
Conditions where this assessment is often used
Alumina is a tracking tool, not a diagnostic device. These are conditions where this category is commonly used to monitor change over time.
Related reading
Articles using 30-Second Sit-to-Stand Test
Practical, evidence-informed guides that show how this assessment can add context between clinical visits.
Common questions
Frequently asked questions
Quick answers about the 30-second sit-to-stand test assessment on Alumina Health.
What does the 30-Second Sit-to-Stand Test measure?
It records the number of complete chair stands performed in 30 seconds. The task reflects functional lower-body strength and endurance, while balance, coordination, joint comfort, chair height, and technique can also affect the result.
Do I have to keep my arms crossed?
The standardized CDC protocol uses arms crossed over the chest. Do not use that position if you need your hands to stand safely. A modified attempt is not directly comparable with the standardized protocol, so document the setup and follow your clinician's guidance.
Does a lower count mean I am at risk of falling?
Not by itself. The CDC publishes age- and sex-specific reference thresholds for a standardized clinical setup, but a single home result cannot determine fall risk or explain why performance changed. A clinician considers the test alongside history and other assessments.
Is the camera required?
No. Manual counting is the default. Camera-assisted counting is optional while the feature is in beta. For cleaner trends, use the same counting method across sessions whenever possible.
What does beta mean for this assessment?
The assessment is available to use, but its camera-assisted experience and presentation may continue to be refined. Treat results as personal tracking information and share questions or unexpected results with a qualified healthcare professional.
Who it may help
Helpful for monitoring related concerns
- People monitoring lower-body strength or mobility
- People living with Parkinson's disease or multiple sclerosis
- Caregivers and care teams reviewing movement trends
Alumina Health is designed to support structured tracking, not diagnosis. Always consult a qualified healthcare professional for medical advice.
Safety note
Only perform this test when standing repeatedly is safe for you. Use a stable chair on a non-slip surface and have another person nearby if you may be at risk of falling. Do not force an arms-crossed setup if you need your hands to stand. Stop immediately for pain, dizziness, unusual shortness of breath, or unsteadiness, and ask a qualified clinician whether the test is appropriate if you are unsure.
Related
Other assessment categories
Memory & Recall
Guided memory tasks you can complete from home.
View Memory & Recall detailsTremor & Hand Control
Guided tasks for tremor, steadiness, and fine motor control.
View Tremor & Hand Control detailsTapping & Coordination
Simple tap tests for rhythm and movement consistency.
View Tapping & Coordination details
Alumina Health is now available on iPhone and iPad
Free to download. Start with a 3-day free trial, then $24.99/year. Designed for patients, caregivers, and ongoing care discussions.