Hypothermia Decreases O2 Cost for Ex Vivo Contraction in Mouse Skeletal Muscle

Conclusions Together, O2 cost for muscle contraction (force–time integral per O2 consumed) was greater at 37°C than at 25°C. Levels of high-energy phosphates were consistent with greater energy demand at 37°C compared with 25°C. In conclusion, these results indicate that muscle contraction that occurs at subnormal temperature requires less O2 than at 37°C.
Source: Medicine and Science in Sports and Exercise - Category: Sports Medicine Tags: Basic Sciences Source Type: research