Can 11 minutes of exercise help lower blood pressure? Malaysian researchers say yes

 

HIGH blood pressure remains one of Malaysia’s most serious public health concerns, contributing to increased risks of heart disease, stroke, kidney failure and other cardiovascular complications.

While medication remains essential for many patients, researchers are continuing to explore simple lifestyle interventions that may help support long-term blood pressure management.

A recent study by researchers from Universiti Sains Malaysia suggests that one such intervention may be far simpler than many people realise.

The study, published in the International Journal of Isokinetics and Exercise Science, found that a short session of isometric handgrip exercise significantly reduced blood pressure among Malaysian participants with hypertension.

The exercise itself is remarkably simple. Participants performed repeated hand-squeezing contractions using a hand dynamometer over a session lasting approximately 11 minutes, including rest intervals between sets.

What makes the study particularly significant is that most previous research involving isometric handgrip exercise has been conducted in Western populations.

The USM researchers sought to determine whether similar benefits could also be observed among Malaysians, particularly within the local Malay population.

Lead researcher Assoc Prof Dr Hazwani Ahmad Yusof @ Hanafi said local validation remains important because ethnic, genetic and lifestyle differences may influence how individuals respond to exercise interventions.

“Most previous studies on isometric handgrip exercise were conducted in Western populations. Our findings provide important early evidence that this simple intervention may also benefit the Malaysian population,” she said.

According to Malaysia’s Global Adult Tobacco Survey (GATS) 2023 and national health data, hypertension prevalence in Malaysia continues to exceed 30%, highlighting the need for practical and sustainable lifestyle strategies that can complement medical treatment.

However, maintaining regular exercise routines can be difficult for many people due to time constraints, fatigue, physical limitations or poor long-term adherence.

This is where isometric handgrip exercise may offer a practical advantage. The exercise is simple, inexpensive, time-efficient and can be performed almost anywhere, including at home or in the office.

The study involved 56 sedentary Malay men aged between 20 and 59 years old. Participants were divided into groups based on their resting blood pressure levels, including normal blood pressure, pre-hypertension, and Stage 1 and Stage 2 hypertension.

Before the exercise session, researchers measured each participant’s maximum handgrip strength. Participants then performed four sets of two-minute handgrip contractions at 30% of their maximum strength, alternating hands with one-minute rest intervals between sets.

One hour after completing the session, researchers observed significant reductions in systolic blood pressure, diastolic blood pressure and mean arterial pressure.

Participants with Stage 1 hypertension recorded the greatest reduction in systolic blood pressure, with an average decrease of 6.3 mmHg after just one session. Meanwhile, participants with Stage 2 hypertension experienced the largest reduction in diastolic blood pressure.

The findings suggest that individuals with higher blood pressure levels may potentially benefit the most from the intervention.

Researchers noted that even relatively small reductions in blood pressure may produce meaningful long-term health benefits. Previous evidence has shown that lowering blood pressure by as little as 2 mmHg may help reduce the risk of cardiovascular disease and stroke-related deaths.

Unlike jogging or aerobic exercise, isometric handgrip exercise involves sustained muscle contraction without major joint movement.

Researchers believe these repeated contractions may help improve blood vessel function and vascular regulation, although further studies are still needed to better understand the underlying physiological mechanisms involved.

Because the exercise requires minimal movement and equipment, researchers believe it may be particularly useful for busy working adults, elderly individuals and people who struggle to maintain more conventional exercise routines.

Despite the encouraging findings, the researchers stressed that handgrip exercise should not replace prescribed medication or professional medical treatment. Instead, it should be viewed as a complementary lifestyle strategy that may support cardiovascular health alongside proper medical care.

The research team is now calling for larger and longer-term studies involving more diverse Malaysian populations, including women and older adults, to determine whether regular handgrip exercise can produce sustained long-term cardiovascular benefits.

The study was conducted at USM’s Pusat Kanser Tun Abdullah Ahmad Badawi in Kepala Batas, Penang, and funded by Universiti Sains Malaysia. –  Focus Malaysia

Further details about the research may be acquired from Assoc Prof Dr Hazwani Ahmad Yusof @ Hanafi, Pusat Kanser Tun Abdullah Ahmad Badawi (PKTAAB), Universiti Sains Malaysia (USM).