Massage, Rest and Recovery: What Studies Say About Relaxation

Have you ever left a massage feeling calmer and lighter, and wondered whether there is any science behind that feeling? Or maybe you train hard, and a friend told you a sports massage "speeds up recovery." Is that what the research shows?

People have studied massage for decades. The results are interesting, but they are also more mixed and more careful than many headlines suggest. Here is a plain-English look at what studies have found about massage, relaxation and recovery, where that evidence falls short, and some simple ways to look after yourself on rest days.

What studies have looked at: relaxation and stress

One of the best-known reviews is a 2004 meta-analysis in Psychological Bulletin that pooled 37 randomized studies of massage therapy (Source 3). The authors found that, in those studies, a single session was linked with lower state anxiety (how anxious someone feels in the moment), blood pressure and heart rate. They found no significant effect on cortisol, a hormone often described as a "stress hormone," or on negative mood or pain measured right after a session.

Cortisol comes up a lot in conversations about massage, so a later 2011 review by some of the same researchers looked at it more closely (Source 4). They concluded that the effect of massage on cortisol was "generally very small" and in most cases not statistically different from zero. In other words, the common claim that massage "lowers stress hormones" is not well supported, even though many people report feeling relaxed.

The U.S. National Center for Complementary and Integrative Health (NCCIH) sums up research on massage and anxiety, stress and mood as limited (Source 5). Many studies are small, some have quality problems, and results often vary from study to study. NCCIH also notes that there is very little research on massage and sleep.

So the honest summary is this: people often describe massage as relaxing, and some studies have measured short-term changes, but the research cannot promise any particular result for any one person.

Massage and recovery after exercise

If you have ever felt stiff and sore a day or two after a hard workout, you have felt delayed-onset muscle soreness, often called DOMS. This is the area of massage research that athletes ask about most.

A 2018 systematic review and meta-analysis in Frontiers in Physiology compared many post-exercise recovery techniques across 99 studies (Source 1). In the studies it analyzed, massage was associated with the largest reductions in reported muscle soreness and perceived fatigue of the techniques compared. The authors were open about the limits. Participants could not be "blinded" (they knew they were getting a massage), so a placebo effect could not be ruled out. They also noted signs of possible publication bias, that only single recovery sessions were studied, and that athletic performance itself was not measured.

A 2020 systematic review and meta-analysis in BMJ Open Sport & Exercise Medicine looked at 29 studies with 1,012 participants (Source 2). It found small but statistically significant improvements in flexibility and DOMS after massage. It found no evidence that massage improved strength, jumping, sprinting, endurance or fatigue. The authors concluded that massage does not appear to improve sports performance directly.

Put together, these reviews suggest massage may be a reasonable part of how some people feel after training, while the effect on performance is unclear. Rest, sleep, food and sensible training still do most of the work.

Relaxation, deep tissue and sports massage: what is the difference?

These names describe the style and goal of a session rather than strict medical categories.

Relaxation massage usually uses lighter to medium pressure and long, flowing strokes. The goal is comfort and a calm, unhurried session.
Deep tissue massage uses firmer, slower pressure aimed at deeper layers of muscle. It can feel more intense, and it is important to tell your therapist if the pressure is too much. NCCIH notes that serious problems from massage are rare, but the rare cases reported were mostly linked to vigorous techniques like deep tissue work or to people at higher risk, such as older adults (Source 5).
Sports massage is shaped around physical activity, for example before an event, after training or as part of a regular routine. It often mixes techniques depending on the sport and how you feel that day.

At M.K Holistic Clinic we offer 30, 45, 60 and 90-minute massage, deep tissue massage, sports massage and athlete recovery sessions. If you are not sure which style suits you, just ask when you book.

Massage and cupping together

Some people like to pair massage with cupping in the same visit. Cupping uses cups to create suction on the skin. In dry cupping the skin is not pierced, while wet cupping (hijama) involves small cuts so a little blood is drawn (Source 6). A therapist may place or glide cups over areas that were also massaged, as part of one session.

It is worth knowing what research says here too. NCCIH reports that most cupping studies are of low quality, that evidence that cupping may help with pain is weak, and that there is not enough good research to draw conclusions about other uses (Source 6). Cupping often leaves temporary round marks on the skin, and less common side effects include burns, skin discolouration and infection, which is why clean, single-use or properly sterilized equipment matters.

Simple self-care on rest days

Whether or not you book a massage, rest days are part of training and part of everyday life. A few basic habits are backed by public health guidance.

Sleep. The Canadian 24-Hour Movement Guidelines for adults aged 18 to 64 recommend 7 to 9 hours of good-quality sleep on a regular basis, with consistent bed and wake-up times (Source 7).
Gentle movement. The same guidelines encourage several hours of light physical activity, including standing, and breaking up long periods of sitting as often as possible (Source 7). On a rest day, that can mean an easy walk, light stretching or simply not sitting still all afternoon.
Hydration. Canada's food guide notes that the body loses water through sweating, breathing and getting rid of waste, and that you need to replace what is lost. It suggests drinking water during and after physical activity, keeping a reusable bottle with you and having water with meals (Source 8).
Listen to your body. Ordinary muscle soreness after exercise usually eases on its own. Pain that is sharp, gets worse or does not settle is a reason to talk with your doctor, not to push through.

A massage after a busy week or a tough training block can be a pleasant way to slow down. The research suggests keeping expectations realistic: enjoy it as one part of a balanced routine that includes sleep, water and gentle movement.

We are open daily from 9 a.m. to 5 p.m. at 2009 Lawrence Ave W in Etobicoke, Toronto. A 50% deposit holds your booking; see our services and prices for session details. Book at mkholisticclinic.schedulista.com or call 416-710-2033.

Sources

An Evidence-Based Approach for Choosing Post-exercise Recovery Techniques to Reduce Markers of Muscle Damage, Soreness, Fatigue, and Inflammation: A Systematic Review With Meta-Analysis — Frontiers in Physiology, 2018
Effect of sports massage on performance and recovery: a systematic review and meta-analysis — BMJ Open Sport & Exercise Medicine, 2020
A meta-analysis of massage therapy research — Psychological Bulletin, 2004
Does massage therapy reduce cortisol? A comprehensive quantitative review — Journal of Bodywork and Movement Therapies, 2011
Massage Therapy: What You Need To Know — National Center for Complementary and Integrative Health (NCCIH), 2019
Cupping — National Center for Complementary and Integrative Health (NCCIH), 2018
Canadian 24-Hour Movement Guidelines for Adults aged 18-64 years — Canadian Society for Exercise Physiology, 2020
Make water your drink of choice — Health Canada (Canada's food guide), 2026