How to test your muscle strength?

Step 1:

Choose a suitable chair.

The height of the chair
should be approx. 43cm.

Step 2:

Use a timer to time yourself doing
the Stand4Strength challenge.

Sit-to-stand on both legs 5 times with
arms folded as fast as you can.

For your own safety

  • Be careful not to strain or injure yourself.
  • Stop challenge immediately if your knees start to hurt.
  • Don’t lean back to gain momentum or you may topple backwards.
  • Do the test when you have a friend or family member around to support you.
  • Do not try the test if you have had a recent fall or injury.

Step 3:

Enter your details in the muscle age calculator below.

Sit-to-stand time (e.g. 7.5 seconds)

Step 4: Your result


You are living life strong.

Your Muscle Age is in the:

While your result is within your age norm, you are at the mean for the 30s!

*Muscle Age is an indication of the strength and performance of the muscles in the lower limbs, and is calculated based on the 5-times sit-to-stand test which matches test time with specific biological age groups.1

Results are based on Caucasian age norms.
1Bohannon R et al. Isokinetics and Exercise Science 15 (2007) 77–81.

Step 5:

Invite and challenge your friends now on:

Watch for our Stand4Strength
video here!

Here's why older adults need hmb Here's why older adults need hmb

Adults lose up to 33% of muscle mass between age 40 to 705+. This affects physical strength, balance and recovery from illness.

hmb + protein

HMB (β-Hydroxy β-Methylbutyrate) acts as a strong Human Muscle Bodyguard to build, repair and protect muscle tissue^***. However, HMB is difficult to obtain from our daily diet.

foods that provide hmb foods that provide hmb

Just 2 glasses of Ensure® GoldTM per day
gives you 1.5g HMB to improve your muscle strength^***.


6x Scoops / glass

2 Glasses / day = 1.5g HMB