It's no secret that Caitlin Clark spent a portion of the WNBA offseason bulking up, but what fans haven't known is how.
That is, not until Indiana Fever Performance Coach Sarah Kessler spilled the details to ESPN.
Kessler told the outlet that having the opportunity to spend months on end training was unique. "I don't know the last time I've had an athlete in the W, or even on the men's side, really, where you have a consistent four- to five-month period where you get to just work together," Kessler said.
Here's how Clark prepared for her sophomore season.
MORE: Caitlin Clark and Fever teammates filmed working out after Atlanta Dream win
Fever coach reveals secrets to Caitlin Clark's incredible physical transformation
Single-leg work
The duo worked on single-leg work to build explosiveness.
"Kessler incorporated isometrics to help Clark improve her time under tension and keep a low center of gravity," ESPN noted. "She tends to play upright, [Coach Stephanie] White said, which makes it easier to get knocked off balance."
To address the problem of playing upright, Clark did isometric exercises to improve "her time under tension and keep a low center of gravity."
Single-arm exercises
A photo from the Indiana Fever's preseason game against the Atlanta Dream made the rounds on X for one big reason: it's abundantly clear that Clark's dramatic physical transformation is still very much underway.
WHAT THE HELL OMFG pic.twitter.com/euIDDsPUAf
— kee | caitlin mvp (@caitlinsmartin) May 12, 2025
Clark's big focus in the offseason was to fine-tune her body to, in part, help her as a passer.
"Clark acknowledged her left arm previously was a bit too weak to throw certain passes -- helped ensure each limb was strong individually. To provide an additional boost of energy to her muscles, Clark added the supplement creatine to her routine."
MORE: Caitlin Clark and Fever teammates filmed working out after Atlanta Dream win