Strength isn’t just about how much weight you can move in a gym. Past age 45, it becomes one of the clearest predictors of how independently you’ll move through the next few decades. Below are five simple tests that measure exactly that, along with what to do if you don’t pass.

1. Grip Strength

Squeeze a hand dynamometer, or simply hang from a pull-up bar for as long as possible. A grip that holds for at least 30 seconds is a reasonable benchmark for most adults in their 40s and 50s.

If it falls short, farmer’s carries and dead hangs, worked into a routine two to three times a week, build grip strength faster than almost anything else.

2. Sit-to-Stand

From a seated position in a chair, stand up without using your hands, then sit back down, repeating for one minute. Adults in their 40s should aim for at least 30 repetitions. If that number is lower, bodyweight squats and step-ups target the exact muscles this test measures.

3. Single-Leg Balance

Stand on one leg with eyes open for 30 seconds without touching down. This tests both strength and the stabilizing systems that prevent falls later in life. Single-leg deadlifts and standing on an unstable surface for short intervals help rebuild this quickly.

4. Farmer’s Carry

Carry a moderately heavy weight in each hand, roughly half your body weight combined, for 60 seconds without setting it down or losing posture.

This reflects total-body strength and core stability under load. If it’s difficult, start lighter and build up carry time gradually before adding weight.

5. Floor-to-Stand

Lie flat on the floor, then stand up using as little support as possible. Being able to do this without needing to brace on furniture is one of the strongest indicators of functional strength and mobility. Practicing the movement itself, slowly and with control, is often the most direct way to improve it.

None of these tests require special equipment or a gym membership, and none of them are about passing or failing in a competitive sense. They’re diagnostic tools, a way to identify exactly where strength has quietly slipped so it can be addressed before it becomes a real limitation. For a deeper look at why strength training matters more with each passing decade, we covered that in detail in The Case for Strength Training Into Your 40s, 50s and 60s.