Adding whole-body cryotherapy to exercise showed modest, cautious gains in MS patients

A three-arm controlled trial enrolled 60 adults diagnosed with multiple sclerosis and assigned them to whole-body cryotherapy plus exercise, cryotherapy alone, or exercise alone, measuring lower-limb muscle strength and mobility over the study period. The combined group showed the broadest improvements in knee flexor and extensor strength, though the authors themselves urge caution in interpreting the differences between groups.

What the study found

The trial found that all three groups showed some improvement in lower-limb strength measures, with the most consistent gains appearing in the group that received both cryotherapy and structured exercise. Improvements were detected across knee flexor and extensor strength at two different movement speeds, with the combined group showing changes at both speeds and the single-intervention groups showing more selective gains, particularly at the slower speed.

The authors note that exercise remains the core of rehabilitation for this population and that cryotherapy appeared to function as a supplementary rather than standalone intervention. Crucially, the differences between the three groups were described as limited, meaning the added benefit of cryotherapy over exercise alone was not strongly differentiated by the data.

The study's own conclusions call for restraint: the observed changes are framed as preliminary and the authors explicitly caution against overinterpretation given the modest sample and the study's duration. This is a finding that points toward a direction of inquiry rather than a settled clinical conclusion.

Limits worth knowing

The trial enrolled only 60 participants across three groups (20 per arm), which limits statistical power to detect meaningful between-group differences. The population was exclusively people diagnosed with multiple sclerosis, a specific clinical group whose responses may not generalize to healthy adults or other populations. The study duration was not extended, and no long-term follow-up data were collected. Funding sources are not disclosed in the available abstract. Blinding of participants was not feasible given the nature of the interventions, and the abstract does not describe how disability severity was distributed across groups at baseline.

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