Live stream preview

Watch ULTIMATE BACK EXTENSION GUIDE

Watch ULTIMATE BACK EXTENSION GUIDE

ULTIMATE BACK EXTENSION GUIDE

6-WEEK OLD SCHOOL ABS TRAINER • 4m 3s

Up Next in 6-WEEK OLD SCHOOL ABS TRAINER

  • BACKWARDS WALKING 101

  • 2023 X5

    This is the instructional & follow-along video for 2023 X6. See companion PDFs for workout outline & training calendar. Please ask any questions & make your post-workout report in the comments section below.

  • 2023 X11

    This is the instructional & follow-along video for 2023 X11, a progression from X5 (return to that if needed). See companion PDFs for workout outline & training calendar. Please ask any questions & make your post-workout report in the comments section below.