Paper·3 min read·June 2026

Unlocking Recovery: The Impact of Partial-Body Cryotherapy on Athletic Performance

Cold Therapy|Recovery • 3 min read • Based on research by Tae-Jin Kim, Kyeong-Hyon Ha, Tae-Young Park, Jung-Hyun Kim, Jung-Min Lee, Hyun Chul Jung (2025)

In the world of sports, the pursuit of peak performance often hinges on the delicate balance between training intensity and recovery. Athletes are consistently searching for methods to enhance their capabilities while maintaining their well-being. One such method, gaining traction in recent years, is partial-body cryotherapy (PBC). This innovative practice involves exposing the body to extremely low temperatures for a brief period, aiming to stimulate recovery and improve performance.

A recent study published in the Journal of Human Kinetics explored the effects of PBC on collegiate basketball athletes. The findings present valuable insights into how this method can impact athletic performance and sleep quality. Let’s delve into the research and uncover what it means for those dedicated to their wellness journey.

Enhancing Performance with Cold Exposure

The study focused on how PBC influences athletic performance by measuring specific metrics, including the number of pull-ups completed by athletes. The results revealed a notable increase, with athletes performing an average of 11.9 pull-ups after PBC compared to 9.2 before the treatment. This data suggests that PBC may enhance specific strength measures, providing a tangible benefit for those engaged in rigorous training.

However, it is essential to note that while pull-up performance showed improvement, other measures—such as sprint speed and vertical jump—did not demonstrate significant changes. This indicates that while PBC may serve as an effective tool for certain aspects of strength, its overall impact on athletic performance may be limited and should be considered as part of a broader recovery protocol.

Sleep Quality: A Missed Opportunity?

Recovery is not solely about physical performance; it also encompasses the quality of sleep. Sleep plays a critical role in the body’s healing processes, and the study examined whether PBC could improve sleep quality among athletes. Surprisingly, the research found no significant enhancements in either objective or subjective sleep quality following the PBC sessions.

This finding highlights a vital aspect of wellness: the complexity of recovery strategies. While PBC may alleviate muscle soreness and enhance certain performance metrics, it appears to have limited effects on sleep. This suggests that athletes and wellness enthusiasts should consider a multifaceted approach to recovery, integrating various methods to ensure both performance gains and restorative rest.

Understanding the Mechanisms at Play

So, how does PBC work? The mechanism behind this therapy involves exposure to extremely low temperatures, which can reduce tissue temperature and influence physiological responses. These responses include decreased muscle soreness and inflammation, potentially speeding up recovery after intense workouts.

While the study indicates that PBC can enhance specific performance measures like pull-ups, the limited effects on sleep quality remind us that recovery is a nuanced process. Embracing a variety of recovery rituals—such as mindfulness practices, proper nutrition, and adequate sleep hygiene—can create a sanctuary for the body and mind, fostering resilience and clarity in our wellness journeys.

Key Takeaways

Partial-body cryotherapy can enhance specific strength measures, such as pull-ups, but may have limited overall effects on athletic performance.
PBC does not appear to significantly improve sleep quality, suggesting a need for a comprehensive approach to recovery that includes multiple strategies.

Based on: Effects of Partial-Body Cryotherapy on Athletic Performance and Sleep Quality in Division I Collegiate Basketball Athletes
Tae-Jin Kim, Kyeong-Hyon Ha, Tae-Young Park, Jung-Hyun Kim, Jung-Min Lee, Hyun Chul Jung (2025). Journal of Human Kinetics

Read paper

Wim's Wise Words

A second take, from someone who's lived it.

🧊 Wim's Wise Words

Effects of Partial-Body Cryotherapy on Athletic Performance and Sleep

What This Paper Is Actually Saying

This Korean research team put twelve Division I basketball athletes through five days of partial-body cryotherapy — a cryocabin dropping to negative 170 to negative 196 degrees Celsius, three minutes per session, right after evening training. Then they measured everything: six standardized performance tests used by the Korean Basketball League, plus both objective actigraphy data and three validated sleep questionnaires.

The headline finding is a pull-up improvement — 9.2 reps to 11.9 reps, statistically significant. Everything else? Bench press, sprint speed, vertical jump, agility. No change. And sleep quality — neither the self-reported scores nor the wrist actigraphy showed any meaningful shift.

So partial-body cryotherapy, in five days, improved one thing. One specific upper-body endurance metric. That's the honest summary.

How This Fits the Broader Picture

The cryotherapy literature has always been messier than the marketing suggests. Whole-body and partial-body cryotherapy consistently show one thing well: they reduce creatine kinase activity and shift inflammatory cytokines in a favorable direction. The anti-inflammatory signal is real. The reduction in perceived muscle soreness is real. But translating that cellular response into measurable performance gains has been elusive, and this paper reflects that pattern faithfully.

The sleep hypothesis is interesting and worth unpacking. The theoretical mechanism — cryostimulation reactivating the parasympathetic nervous system, lowering core body temperature, facilitating sleep onset — is sound in principle. And some earlier studies did show subjective improvements. But subjective sleep data in athletes is notoriously unreliable. Male athletes consistently overestimate how much they sleep. This study used actigraphy alongside questionnaires, which is exactly the right methodological move. And the actigraphy found nothing.

Five days isn't a protocol. It's an introduction. The body needs time to adapt, and adaptation to cold stress is no different — the signal has to repeat long enough to produce a lasting change.

Where the Experts Disagree

The duration question is real. Five days is short. Most recovery interventions — whether cold exposure, sauna, or contrast therapy — show their clearest effects with four to eight weeks of consistent use, not five sessions. The authors acknowledge this directly and call for longer intervention studies. The pull-up finding may be a genuine signal, or it may be noise in a small sample. Twelve athletes in a crossover design is a reasonable pilot, but it's not enough to build protocols on.

My Practical Recommendation

If you have access to a cryochamber and you're deep in a competition season, there's no reason not to use it. The anti-inflammatory effects are real enough that you'll likely feel less sore. That matters when you're playing consecutive games with limited recovery windows — which is exactly the context these basketball athletes were in. But don't expect a cryocabin to fix your sleep. Sleep hygiene, consistent schedules, and reducing evening blue light exposure will do more for your recovery than any cold chamber.

The Surprising Connection

What strikes me about this study is the pull-up anomaly. Why would three minutes of cold exposure improve upper-body endurance but leave power, speed, and agility untouched? One possible explanation: the analgesic effect of cryotherapy reduces perceived exertion specifically in muscle groups that were already fatigued and sore. Basketball training hammers the lower body — sprinting, jumping, cutting. Upper body may have been less accumulated soreness, making the pull-up test more sensitive to any recovery benefit. It's not that cryotherapy targeted the arms. It's that the arms had more room to recover.

That's a nuance worth sitting with. Recovery tools don't work uniformly across the body. They work where the body has space to absorb the benefit.

Where Cold Therapy Delivers

Unlocking Recovery: The Impact of Partial-Body Cryotherapy on Athletic Performance

Enhancing Performance with Cold Exposure

Sleep Quality: A Missed Opportunity?

Understanding the Mechanisms at Play

Key Takeaways

Related articles

Cold's Molecular Reset

Cryotherapy Between Two Sessions

Cold That Recovers More