41 Operating of tennis schools; tennis camps; tennis instruction; tennis instruction, namely, recording students playing tennis on video and then analyzing their play for the purpose of improving skills and documenting skill development over time; providing instruction and conducting workshops for tennis coaches with respect to coaching techniques, drills, and the like; consulting services in the field of tennis instruction and tennis teaching methodology, and in the field of tennis academy operation; instruction in the fields of tennis training, physical performance and conditioning, and mental efficiency