I don't think such thin legs have anything to do with the energy consumption of the human body, but should have little to do with the plastic wrap outside.

If you have thin legs, it is recommended to do strength exercises first.

Benefits of strength training before aerobic exercise

Favorable fat mobilization first consumes most glycogen reserves, makes aerobic exercise more efficient, accelerates lactic acid metabolism, and glycolysis produces lactic acid accumulation. Aerobic exercise brings lactic acid into aerobic oxidation for complete combustion, which is beneficial to reduce exercise fatigue, accelerate physical recovery and increase lipolytic hormone secretion. Anaerobic exercise can promote the secretion of lipolytic hormone, increase the fat burning rate, improve the metabolic level, promote the increase of lean tissue in the body, and benefit energy consumption.

Running after strength training, the effect will be more obvious, and you can consume human body fat faster.