Recruiters and coaches increasingly look at ball speed and clubhead speed numbers as much as scoring average — and it's the piece almost nobody trains on purpose. Junior golf instruction is saturated with swing mechanics work: grip, plane, tempo, short game. What's missing is the physical training that actually produces more speed: rotational power, controlled overspeed work, and the durability to do it week after week without breaking down.
HPL Coil is a 6-week, 5-day-a-week program built around exactly that gap. Day 1 develops rotational power through medicine ball throws, cable rotations, and hip-shoulder separation drills — building the "coil" that stores power in the backswing before the downswing releases it. Day 2 trains clubhead speed directly, using overspeed and underspeed swing protocols and speed-stick contrast training, the same methods used in professional speed-training programs. Day 3 is a fully dedicated recovery and prehab day, targeting the injury that speed training causes more than any other: oblique and side strain. Thoracic spine rotation, hip mobility, and eccentric oblique control aren't optional extras here — they're what let Day 1 and Day 2 keep happening without a setback. Day 4 builds swing-specific conditioning: single-leg stability for weight transfer, rotational conditioning, and loaded carries for anti-rotation strength. Day 5 puts it all on a launch monitor or radar — tracked clubhead speed, ball speed, and a dispersion check to confirm the new speed hasn't cost accuracy.
Two benchmark checkpoints track real progress instead of a feeling. Week 3 sets a college-ready standard: clubhead speed up 3-5%+ from the Week 1 baseline, visibly increased hip-shoulder separation on video, and a dispersion pattern that's held steady at the new speed. Week 6 raises that to a pro-ready standard: 6-10%+ clubhead speed gain, confirmed ball speed and smash factor, and a dispersion pattern as tight as it was before the speed increased.
The injury profile is built around what speed training actually risks — oblique strain, low back load, golfer's elbow, wrist injury, and hip labral irritation — with a full prehab day that exists specifically to manage it, not just a stretching afterthought.
$47. Six weeks. Five days a week. The clubhead speed gap that separates levels of golf, finally trained on purpose.