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Weight Loss & Fitness Research

Dr Stacy T Simms of Stanford University used palm cooling to help obese female subjects to lose weight, improve fitness and reduce drop out levels from fitness & weight loss programmes.

Overweight and obese subjects find it more difficult to exercise and lose weight as they get too hot more quickly which reduces their ability to continue with the activity and is a factor in demoralising the individuals before the benefits of exercise transpire. The barriers to physical activity for obese women include overheating, sweating, fatigue, exhaustion and rapid heart rate.

By incorporating palm cooling into the training regime, Dr Simms reported the subjects felt more able to continue the exercises thereby improving fitness and accelerating weight loss. This produced much more satisfaction as goals were achieved and surpassed and a consequence was really low drop out rates compared to no palm cooling.

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How Palm Cooling helps Weight Loss

Abstracts

Innovation in Exercise: Increasing Capacity of Sedentary Obese Women with Cooling.
Stacy T Sims; Sandra Tsai; Marcia L Stefanick; Stanford University.

HYPOTHESIS: With difficulties of regulating body temperature in the sedentary obese population, the aspect of moderating this discomfort may encourage continuation of exercise.

METHODS: To examine whether palmar cooling would impact exercise tolerance in obese women, 24 healthy women aged 30–45 years, with no history of long-term structured exercise, a body mass of 120–135% above ideal and/or BMI between 30 and 34.9 were recruited.

Women were randomized into a cooling (RXT with 16°C water circulating) or a control (RTX with 37°C water circulating) group and attended 3 exercise sessions a week for 3-months (12 weeks).
Each session was comprised of 10 min body weight exercises, 25–45 min treadmill walking at 70–85% HRR with the RTX device, and 10 min of core strengthening exercises.

The performance marker was a 1.5 mi walk for time; conducted on the first and last days of the intervention. Mixed models were used to model each of the outcomes as a function of thermal strain, time and treatment with covariates of speed, heart rate, distance, and the interaction of the main effects included in the model.

RESULTS: Groups were matched at baseline for key variables (time for 1.5 mile walk test, resting and exercising heart rate [HR], blood pressure [BP], waist circumference [WC], body weight, body mass index [BMI]).

Among the cooling group, time to complete the 1.5mile walk test was significantly faster (31.6 ± 2.3 vs. 24.6 ± 2.5 min, pre vs. post, P<0.01).

A greater average exercising HR was observed (136 vs. 154 bpm, pre vs. post, P<0.001), with a significant reduction in WC (41.8 ± 3.1 vs. 39.1 ± 2.2 inches, pre vs. post, P<0.01) and resting BP (139/84 ± 124/70 mmHg, pre vs. post, P <0.025).

There were no significant differences observed in the control group.

CONCLUSION: Results indicate that exercise tolerance in obese women improved with cooling during exercise, more so than those women who did not have cooling. An improvement in blood pressure, heart rate, waist circumference, and overall aerobic fitness was observed.

These findings suggest that by reducing thermal discomfort during exercise, tolerance increases, thus improving cardiovascular parameters of obese women.

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