This is the instructional & follow-along video for 2024 CORE 4, a progression from UPPER 3 (return to that if needed). See companion PDF's for workout outline & training calendar. Please ask any questions & make your post-workout report in the comments section below.

BONUS Custom Interval Timer:
https://www.intervaltimer.com/shared/XdthcLKOvV2iqHLrSToG-CORE-4