All Notes
Turning scattered thoughts into accessible field notes.
Why Smashes and Serves Cause Shoulder Pain: Joint Centration, Kinetic Chain Braking, and the Follow-Through Truth
Deep shoulder aches after overhead smashes and serves stem from treating the shoulder as an acceleration motor. Biomechanically, it must act as a rigid centripetal anchor.
badminton · tennis · shoulder-health · biomechanics · kinetic-chain · ~4 min readSeven Pitfalls When Transitioning from Badminton to Tennis: Kinetic Chain Rebuilding
Explosive agility transfers well, but wrist snaps and abrupt deceleration become chronic bottlenecks. A systematic breakdown of seven common technical traps and biomechanical fixes.
badminton · tennis · motor-learning · kinetic-chain · biomechanics · ~5 min readWhy Expanding My Takeback Unlocked Penetration on the Forehand
My forehand languished in shallow territory until I realized takeback is not dropping the racquet, but coiling a massive elastic spring with the torso and back musculature.
tennis · forehand · kinetic-chain · topspin · biomechanics · ~3 min readTwo Years After the CFA: What Genuinely Remains Beyond Knowledge Depreciation
Formulas fade rapidly after passing the exams. What endures in muscle memory are durable mental models and probabilistic frameworks for inspecting business reality.
cfa · mental-models · financial-research · probabilistic-thinking · ~3 min readDeconstructing PEAD: Post-Earnings Announcement Drift and a Screening Framework
Efficient market theory assumes immediate repricing on earnings release, yet empirical drift often persists for weeks. An analysis of behavioural drivers and a quantitative screening model.
pead · financial-research · quantitative · market-structure · ~4 min readWhy Expanding My Backswing Suddenly Transformed My Forehand
A subtle technical calibration reshaped my understanding of space, tempo, and counter-intuitive mechanics.
tennis · forehand · backswing · kinetic-chain · ~1 min readFour Years as a Software Engineer: How My Perspective on Work Shifted
As a fresh graduate, I thought engineering meant clever algorithms. Four years in, code is the cheapest byproduct; real mastery lies in respecting problems and closing end-to-end loops.
software-engineering · career · system-design · ai-applications · ~3 min readHabits Badminton Players Inevitably Carry into Tennis
Familiar motor patterns can serve as an intuitive starting point, or become hidden technical bottlenecks.
badminton · tennis · motor-learning · kinetic-chain · ~1 min readWhy Tennis Began to Bring Me Deeper Joy than Badminton: Space, Time, and Flow
After ten years of badminton, I thought no sport could match its explosive rush. Stepping onto an open tennis court revealed a completely different dimension of quiet, deep joy.
tennis · badminton · flow-state · sports · kinetic-chain · ~3 min readBuilding Falsifiable Research Notes
Separating hypothesis, evidence, and conclusion to leave clear trail markers for your future self.
financial-research · mental-models · empirical-investing · ~1 min readUsing AI vs. Building with AI
Moving from receiving an instant answer to delivering a tangible, functioning product.
ai-applications · software-engineering · side-project · ~1 min readThe Gap Between Understanding and Mastery
Between 'I understand this' and 'I can do this' lies a long, quiet stretch of deliberate practice.
learning-framework · deliberate-practice · cognition · ~1 min readDocumenting an Evolving Self
Some observations serve others; others are meaningful only to oneself. Both are worth preserving.
life · long-game · reflection · ~1 min readNo matching notes found. Try different keywords.