How CrossFit Reykjavik improves retention with heart

Posted by: Udo in Video Blog February 28, 2020 0 1290 Views

air assault bike airrunner annie thorisdottir assault air bike assault airbike assault bike assault fitness cardio club fitness concept 2 rower concept2 connected fitness CROSSFIT CrossFit Affiliates crossfit tool digital fitness endurance fitness fitness classes fitness club functional fitness functional training group fitness group training heart heart rate heart rate monitor heart rate sensor heart rate training HIIT how hrm improves indoor rowing polar polar club Pulse retention reykjavik running 2020-02-28