Safety
Heat illness and hydration in an MMA gym
If someone becomes confused, collapses, has a seizure or loses consciousness during hard work in the heat, call local emergency services immediately. Suspect heat stroke. Start cooling the person promptly, follow dispatcher instructions and stay with them. Sweating can continue during heat stroke.
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Stop early when the room runs hot
A fighter who feels faint or weak should stop exercising and move somewhere cool. Dizziness, nausea, headache and heavy sweating can accompany heat exhaustion. Get prompt medical advice for suspected heat illness, especially if symptoms worsen, vomiting starts or symptoms persist. Escalate immediately for altered awareness or collapse.
Set up the next session
Check ventilation before a crowded grappling class. Keep drinking water accessible, plan breaks and reduce pace when the room is hot. Ask who can summon help and which entrance responders should use. Build up gradually when training in unfamiliar heat.
Hydrate for training rather than the scales
Start the session with water available and drink regularly during hot exercise. Needs change with heat, session length and individual sweat loss. A fixed volume for every fighter can mislead. A healthcare professional can advise if a health condition or prescribed fluid restriction changes what you should drink.