I just want to run faster .... and jump higher

Will the Posture Control Insoles^(TM)  help me do it?

Yes, they will. 

Try this little experiment.  Stand normally with your feet about 8-10 inches apart.  They are probably slightly flared.  As you bend your knees in preparation for a jump, make your knees touch each other.  This is slightly exaggerated, but if you imagine jumping from this position you can feel you have less power.   You can probably feel the torque in your knee as you power up for the jump.  This leg posture has a direct correlation to ligament tears.

Now, stand with your feet nearly parallel, but as you bend your knees and jump, focus on keeping your knees over the top of your feet.  Now you can jump with all your might!  Feel the difference?

You get a lot more power when you have linear body motion.  In your first approach your foundation was crooked causing nonlinear mechanics. 

The same principle applies to running. 

Try to run, deliberately flaring your feet.  You'll notice you have no power and a shorter stride as well as more side to side motion.  Then run with your feet parallel, and feel the power and speed increase. 

When you run with flared feet, you are pushing off over the inside of your feet.  Not only do you loose forward propulsion, you are actually not pushing off in the direction you want to run.  Take a look at people who walk with flared feet.  They lumber from side to side, and they can't run very fast.

Posture Control Insoles^(TM) will give you a straighter, more powerful stride.  The change is individual.  For some the difference is dramatic.  For others it may be a matter of fine tuning.