With the winter chill keeping people inside, a new home-based fitness trend is emerging as the secret weapon against seasonal weight gain.

Kristy Hawkins moved up to the 82.5-kilogram weight class and set impressive new Raw Squat and Total All-Time World Records.

Skip the machines and use 4 bodyweight moves that build more strength, balance, and joint control than gym workouts after 50.

Nash Earwood, 12, of Columbus, poses with his strength coach, Terrence Flowers, who owns the Columbus gym called 4.0 Fitness.