close-up of a woman's feet running on a treadmill in a modern gym with blue neon lights reflecting off the floor

treadmill running exercise fitness gym workout cardio health wellness weightloss training stamina endurance speed motivation determination perseverance focus concentration rhythm movement energy power strength agility flexibility balance coordination control precision accuracy technique form posture stride footwork impact cushioning support stability comfort breathability lightweight durable stylish fashionable trendy athletic close-up woman#39aph39#s feet modern blue neon lights reflecting floor person walking surface generative