"Mikko said, 'I want to get my body more under control, plus I want to be faster,' " Yrjovuori said. "I am also known for my speed and explosive programs, so basically we started reeducating his body, trying to find that center-body control."
Yrjovuori began studying the movements of various goalies on the ice. He also consulted with Oilers goaltending coach Dustin Schwartz as he began working with Koskinen five days a week, starting in June.
Two of those days were dedicated to strength training. The other two were purely about creating speed. They used resistance bands, stability balls and a VertiMax machine, a small platform with attached elastic cords that can be attached to athletes in a variety of ways and stretch up to 45 yards.
Much of their work was performed in smaller spaces, mimicking the confines of a crease, focusing on posture and hip control while building speed.
"The principles are always the same, but you have to consider the space where people move, so we created a goalie space and we try to limit movement inside that area," Yrjovuori said. "We do really fast movement, side-to-side, different degrees, going on your knees, going up quickly, but they all stay in that little area. So that way you not only control your movement, but you control the area as well.
"We started building that speed into those long limbs. We were looking for explosiveness, that first step, quick, side-to-side, multi-dimensional movement."
Other activities, including tennis, were mixed in on the fifth day.
"You have to be really quick side-to-side, and that serves a goalie well," he said. "It's fun and at the same time, it's very effective when you challenge your body differently that way too."
The early results are promising, but there's more work to be done.
As they learn more from each other, Yrjovuori is confident he can help Koskinen keep improving.
"First of all, goalies are crazy -- but it's pretty amazing too how they move," Yrjovuori said of learning about the position. "Even though he's so tall, my goal was to get him to move like a little guy and I think we accomplished that speed, at least from what he tells me that he can go side to side way faster. Both of us know this was just the beginning, we are going to continue."
Maybe before long, "Kobe's guy" will be known as "Koskinen's guy."