The Constraints Collective - Episode 113, October 2026 Monthly Round-Up - Ian Renshaw & Keith Davids

If you study or have studied sport science anywhere in the world, your degree has a family line...

You finish a session and it looked good. The players hit their targets, the drills flowed, and you go home thinking the work is done and they are ready to play. Then Sunday comes and none of what y...
Adam Singer built an MMA gym around one rule -
if you modify the resistance, it isn't sparring anymore.

Picture a fighter who looks perfect in training. Every pad round is crisp, every drilled combi...

Commentary — this one's off the podcast calendar entirely, a reactive piece tied to a news item rather than an episode.
The Constraints Collective · Blog · September 2026
Somewhere in England...
September 2026 - Monthly Catch-Up, Episode 109 (provisional) - Hosts: Ian Renshaw & Keith Davids
You've seen this before: a team wins something big, and within a season every programme in the sp...
A few days ago Jay Carter – Golf New Zealand’s National Team Coach, host of the Talking Performance podcast, and someone we’ve had the pleasure of working with when presenting to the NZ PGA – sent us ...
Theory Paper – Ian Renshaw & Keith Davids – The Constraints Collective Podcast
Picture two sessions. In the first, cones mark the exact channel a player must dribble through, a serve has to land in...
Episode 106 · Craig Harrison · The Constraints Collective Podcast
Every coach would agree that failure is a key part of learning. Indeed, we would frame "failure" as discovering through exploration...
August 2026 · Monthly Catch-Up, Episode 105 · Hosts: Ian Renshaw & Keith Davids
"Sir, how could you identify a player's background just by watching his batting stance?" One of coach Amladi's stude...
Ian Renshaw & Keith Davids review Gullich et al (2021) — "What Makes a Champion: Early Multidisciplinary Practice, Not Early Specialization, Predicts World-Class Performance"
Paper Under Review —
...
Ian Renshaw & Keith Davids · Monthly Catch-Up · July 2026 · The Constraints Collective
You've probably heard a version of it from your own group: "we're rubbish in the wet." Not because the skill i...
The Funnel, Not the Average: Chris Button on the PhD That Almost Wasn't (Part One)
Episode 100 · Prof. Chris Button (Part One) · The Constraints Collective Podcast

Hand someone a hammer, a nail, a...