High Resistance Intervals (HRI)

High resistance intervals are another way to stimulate and improve the aerobic system.

You can use uphill sprints, sleds, dragging heavy chains, spin bikes or other cardio machines that provide high resistance.to know about strength and conditioning

Key points:

• HR below anaerobic threshold
• Each rep should max intensity
• Rest to 130-14 bpm
• 10-12sec per rep
• 15-20 reps per workout