SAN DIEGO (CBS 8) - Throw a cell phone around your waist, and that's all you need to tell you what's wrong with your swing.
I learned some big words on this story. The gyroscope and excelerometer capture the kinematic sequence -- fancy talk for the elements of a golf swing.
"The golf swing is made up of a sequence of events, the pelvis, the torso, the arms and the club. We know those have to happen in a specific order and time. We measure that," Devin Fitzmaurice said.
While it sounds complex, it breaks down each element of the swing, which tells you what you need to work on.
"You're having troubles with acceleration, so now I press Improve Your Game, and it takes us into drills to do to get separation," Devin said.
If you don't like the drills it suggests, or you're just too lazy to do them, you can also send readings to your instructor for more personal feedback. In effect, you can take golf lessons remotely.
"We're measuring something. The tendency is when some one measures something they tend to stay more focused. So practice sessions may be shorter, but much more efficient. You get feedback constantly," Devin said.
The app will also compare your measurements to that of a PGA pro.
The app was developed at Riverwalk Golf Course by Devin, who has a background in biomechanics, and two of his tech-savvy students.
"Really what I'm interested in his human performance, how to get people better," he said.
He's able to do that just by strapping a cell phone to a golfer's waist.
Some of the footage in this video story was shot using a GoPro camera.
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