top of page

Home
About
Athletes
Employee Vitality
Seniors
Wearable Technology
My Workouts
The Billion Dollar Workout
Contact

Apple Watch heart-rate interval screen during Jim’s Weighted Jump Rope training.

Jim Levy, NSCA-Certified Personal Trainer
National Strength and Conditioning Association
Los Angeles
jim@jumpiron.com
Crescendo Industries LLC d/b/a JumpIron
NSCA CPI Membership with General and Professional Liability Insurance

© 2026 JumpIron. All Rights Reserved.

bottom of page