The challenge is designed to be followed step-by-step, removing the guesswork from training and nutrition. :
: Increased frequency to 4 workout days per week (typically Mon, Tue, Thu, Fri). Fit ohne Geräte: Die 90-Tage-Challenge für Männer
by Mark Lauren is a structured, comprehensive fitness program designed to maximize physical transformation in three months using only bodyweight exercises. Program Structure & Methodology The challenge is designed to be followed step-by-step,
: The program includes eight different sessions with three difficulty levels . Weekly self-evaluations help you decide when to advance to the next level. Fit ohne Geräte: Die 90-Tage-Challenge für Männer