Watch Beach Pilates (1970) : Full Movie Online Free Pilates instructor Jennifer Tilley along with fitness instructor Shelly McDonald demonstrate exercise techniques designed to strengthen the lower body, back, and major muscles. These exercises also focus on the abdominal muscles, and demonstrate key breathing and stretching techniques. The beautiful Barbados location, the clarity of the demonstrations, and the enthusiasm of the instructors add to the fun of this 4 DVD set recommended for both beginning and intermediate Pilates practitioners.