TrainersEye · Session of the Day · HIIT · #095

HIIT Repeated Sprint Ability (RSA)

RSA | 6 × 5-s sprints / 25-s jog, repeated sets | RPE 9 · Format · Interval Waves & Broken Sets
Target ≈ 35 minDate  Body Weight  Session RPE cap 9/10Coach: MMSx Team of Experts
Warm-Up · RAMPPhase 1 · Thermal primer · Zone 1-2 · RPE 4-5 · 5-7 min
Time__ : __
1Arm Circlessteady breathing rhythm90 s
2Inchwormfast turnover, tall hips, quiet feet60 s
3Jump Ropequality over speed, always8 + 8
4Cat-Cowtall posture, ribs stacked2 × 10
Phase 2 · Neural & Velocity Primer3-5 min · Zone 3 · RPE 6-7 · sub-max explosive, full rest
Time__ : __
1Rotational Throwcrisp hip snap every rep3 × 5
2Squat Jumpland silent, absorb through hips3 × 3
Phase 3 · Main HIIT EngineZone 5 · RPE 9 · 4 sets of 6 × 5 s sprint / 25 s jog · 3 min between sets
Time__ : __
1Resisted SprintALL-OUT from second one — no pacing an alactic rep6 × 5 s : 25 s jog
2Hill Sprintfast turnover, tall hips, quiet feet6 × 5 s : 25 s jog
3Box Jumpland silent, absorb through hips3 × 4 between sets
Progression: Wave rule: surge the ON seconds, float the cruise. HR must return under 80% HRmax before each new wave — heart rate governs, not the clock.
Phase 4 · Finisher / Anaerobic Flush3-5 min · Zone 3-4 · RPE 7-8 · flush, do not re-spike
Time__ : __
1Rowing Machine — steadynasal breathing only — force the downshift3 min @ Zone 3
2Dead Bugribs down — hold the shape while gasping2 × 30 s
Phase 5 · Parasympathetic Restoration4-5 min · Zone 1 · active clearance, box breathing, decompression
Time__ : __
1Air Bikenasal breathing only — force the downshift2 min easy
2Box Breathingsteady breathing rhythm4-4-4-4 · 2 min
3Doorway Pec Stretchsteady breathing rhythm45 s
4Child's Posesteady breathing rhythm45 s/side
Coach notes: Log every load and every time box — next week's card asks for 2% more.
Whole Session TimeFirst warm-up minute → last second of the cool-down
__ : __ : __ Session Complete
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TrainersEye · MMSx Authority Institute · Session of the Day · Written by the MMSx team of certified professionals
Maximal-intensity programming — cardiovascular screening recommended. Scale load to your level, stop at pain, follow the BPIT Principle of Intensity and NASM/ACSM/ACE safety guidance. Educational — not medical advice.