healthinfoblog

Cardiovascular Exercises

VO2 Max Interval Training: The Research Behind 5-Minute Intervals, Why They Work, and How to Build Your Programme
ByHealth info blog 2026-05-312026-05-23

person running VO2 max interval training track high intensity cardiovascular aerobic development VO2 max interval training meta-analysis 0.51 L/min improvement continuous vs interval cardiac output mechanism Billat vVO2max protocol 5 minute intervals research minimal velocity VO2max oxygen uptake kinetics logic short vs long VO2 max intervals 90 percent time comparison 3 minute vs 5 minute…

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Flexibility & Stability Exercises

Quadratus Lumborum Guide: Why This Deep Lower Back Muscle Causes Side Pain and How to Fix It
ByHealth info blog 2026-05-312026-05-31

person performing side-lying quadratus lumborum stretch lateral lower back pain release mobility quadratus lumborum physiology dual role stabiliser mover tightness mechanism unilateral sitting overload quadratus lumborum research QL stiffness chronic lower back pain sacroiliac joint gluteus medius RCT knee pain quadratus lumborum assessment lateral pelvic tilt side bend test pain pattern differential disc hip facet…

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Weighted & Machine Exercises

T-Bar Row: Why the Neutral Grip Rowing Position Builds Thickness That Barbell Rows and Machines Cannot Replicate
ByHealth info blog 2026-05-302026-05-23

The barbell row is the standard back thickness exercise. It allows heavy loading, trains the entire posterior chain, and has decades of proven effectiveness. Most serious lifters include it and most serious lifters plateau with it eventually. The plateau often has a simple mechanical explanation: the pronated (overhand) grip and horizontal torso position of the…

Read More T-Bar Row: Why the Neutral Grip Rowing Position Builds Thickness That Barbell Rows and Machines Cannot Replicate
Weighted & Machine Exercises

Machine Shoulder Press Guide: The Fixed Path Advantage, EMG Research, and Who Should Prioritise It Over Barbells
ByHealth info blog 2026-05-302026-05-23

The shoulder press machine gets dismissed in most serious training environments. The reasoning is consistent: it is a machine, which means it does the stability work for you, which means it produces inferior results compared to free weights. This reasoning is correct in one dimension and wrong in another. The machine shoulder press does trade…

Read More Machine Shoulder Press Guide: The Fixed Path Advantage, EMG Research, and Who Should Prioritise It Over Barbells
Strength Training

Single-Arm Dumbbell Row: The Back Thickness Exercise Most People Do Wrong and How to Fix It
ByHealth info blog 2026-05-292026-05-28

The single-arm dumbbell row is in almost every training programme. It requires no special equipment, allows heavier loading than most other unilateral back exercises, and intuitively feels like it should build back thickness. Yet it is one of the exercises where the gap between what trainees think they are doing and what they are actually…

Read More Single-Arm Dumbbell Row: The Back Thickness Exercise Most People Do Wrong and How to Fix It