Is it mandatory to sign up online or can I sign up inside the gym

Gym

640 N La Brea Ave, Los Angeles, CA 90038, USA

Gym

11661 San Vicente Blvd #103, Los Angeles, CA 90049, USA

Gym

437 S Broadway, Los Angeles, CA 90013, USA

Gym

1000 E Washington Blvd, Los Angeles, CA 90021, USA

Gym

5950 Wilshire Blvd, Los Angeles, CA 90036, USA

Gym

1893-1899 Silver Lake Blvd, Los Angeles, CA 90026, USA

Gym

4662 Eagle Rock Blvd, Los Angeles, CA 90041, USA

Gym

8000 Sunset Blvd, Los Angeles, CA 90046, USA