Modern dance originated in rejection of the strict techniques and positioning of ballet. Pioneers like Martha Graham and Isadora Duncan incorporated more free movement and personal expression inspired by their own feelings and nature. Graham used contraction and release to portray emotions, while Duncan drew from Greek sculptures. Merce Cunningham further separated dance from music, using chance procedures and focusing on the body's energy and change. Modern dance made the art form more relatable and took it seriously as a creative medium beyond just entertainment. It has led to greater freedom and variety in contemporary dance styles.