Stretching for Flexibility: The Science of Hold Times and Micro-Stretching

The benefits of stretching are well known, from increased flexibility and range of motion to improved posture and reduced risk of injury. However, the optimal hold times for stretching to achieve these benefits have long been debated.

How long should I hold a stretch for best gains in flexibility?

One study published in Physical Therapy suggests that holding a pose for 30 seconds, repeating the posture 2 to 4 times with a 10-second pause in between each 30-second hold, gives the greatest gains in range of motion over time[1]. Meanwhile, another study published in Sports Health recommends performing a static stretch for at least 5 days a week, with a total of at least 5 minutes of static stretching per week, to promote range of motion improvements in the targeted muscle group[2].

These two studies together provide great advice for anyone looking to improve their flexibility. By stretching into a muscle group for a minute or 5 minutes, 5 times per week, for a total of 25 minutes, one can expect to see significant improvements in range of motion.

Is micro-stretching a consideration for better muscle length, flexibility, and range of motion?

But what about micro-stretching? A 2020 systematic review and meta-analysis published in the Journal of Sports Science and Medicine found that micro-stretching, which involves shorter duration stretches, typically for 10-15 seconds, with a focus on precise and controlled movements, is more effective than static stretching for improving muscle length, flexibility, and range of motion in healthy adults[3]. Micro-stretching showed a moderate effect on hamstring flexibility, hip flexor flexibility, and range of motion in the hip joint. At the same time, there were no significant differences for calf flexibility, quadriceps flexibility, or ankle range of motion.
It is worth noting that there were some limitations in the studies analyzed, such as small sample sizes and variations in the stretching protocols. Nonetheless, micro-stretching could be a promising addition to one’s stretching routine and has been used for years in certain forms of Yoga, Tai Chi, Qi Gong, Yuan Gong that focus more on the flow of blood, lymph, chi and prana through the limbs then the physical body.

So, could less be more? Micro stretching seems to suggest so. By focusing on precise and controlled movements for shorter durations, one may be able to achieve more significant gains in flexibility and range of motion. For example, incorporating micro stretching into a well-rounded yoga asana class could be a great way to optimise your stretching routine.

At Biyome, we offer yoga classes in Brisbane that incorporate a variety of stretching techniques to help you achieve your fitness and wellness goals. Our experienced teachers can guide you through a safe and effective stretching routine tailored to your unique needs. Most of all, we have the best fun keeping fit, stretching the body and the mind….

Contact us today to learn more.