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Input how long you held a strict forearm plank in seconds.
Find out how your max plank time compares to men and women your age.
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Input how long you held a strict forearm plank in seconds.
Formulas, reference tables, and practical guidance you can come back to.
The plank test is a straightforward way to evaluate core muscular endurance. Unlike tests that require movement, the isometric nature of the plank assesses the ability of your abdominal and lower back muscles to stabilize the spine. Proper form—maintaining a straight line from head to heels—is crucial.
Below is a general reference table for adult plank hold times. These benchmarks categorize fitness levels from 'Poor' to 'Excellent'. A time over 2 minutes is generally considered excellent for the general population.
| Fitness Level | Hold Time |
|---|---|
| Excellent | > 120 seconds |
| Good | 60 - 120 seconds |
| Average | 30 - 60 seconds |
| Below Average | 15 - 30 seconds |
| Poor | < 15 seconds |
Quick answers about this tool and how to train with it.
Holding a strict plank for 2 minutes is generally considered excellent core strength for a healthy adult.
A good plank time generally ranges from 1 to 2 minutes for a healthy adult under 50. Older adults might aim for 30 to 60 seconds as a strong baseline. Ultimately, maintaining proper form without sagging your hips is more important than the absolute duration.
A longer plank is not always better once you pass the two-minute mark. Holding a plank for excessively long periods often leads to form breakdown and puts unnecessary stress on the lower back. It is generally more effective to increase the difficulty through variations rather than endlessly increasing the time.
There are numerous plank variations designed to target different muscle groups. Side planks focus on the obliques, while plank shoulder taps improve rotational stability. Advanced variations like weighted planks or planks on a stability ball significantly increase the challenge to your core.
Planks can be an excellent substitute for sit-ups, especially if you have lower back issues. While sit-ups primarily work the superficial abdominal muscles, planks train the entire core to resist movement, promoting better posture and spinal stability.
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CounterUps has built-in plank timers and progression plans to help you reach a 2-minute hold and beyond.