I Did a VO2 Max + Lactate Test how accurate is my Garmin watch

I did a number of fitness tests to see how fit and healthy I am, and compared the results to my Garmin watch. Tests included: Resting metabolic test Body composition skin fold test ECG Spirometry Lactate threshold test Vo2 Max test A massive thank you to The Human Performance Institute at Surrey University for having me Their website is here: SUPPORT THE CHANNEL: YouTube Membership: Paypal: FEATURING: Garmin Fenix 6s Solar watch: SOCIALS Instagram: Twitter: Website: MUSIC, SOUND EFFECTS STOCK FOOTAGE Epidemic Sound: Story Blocks: KIT I USE: Sony ZV1 camera: Sony AX53 camera: (for night vision and as second camera) Rode Wireless Go Mic: Rode Lavalier Go Mic: Rode VideoMicro Mic: Joby RangePod Tripod: Joby GripTight Pro Telepod: GoPro 11: GoPro Shorty Handle: Samsung 1TB SSD: SanDisk Extreme Pro 64GB memory card: