Dull Knee Pain from Leg Press

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One Sunday I hit a PR on Leg Press... no significant events happened to make me think I got injured. However, later that day my knee began having occasional moderately sharp pain on the front inside of my knee, mostly when twisting my knee. I've been taking motrin/icing since, and moved my leg day this week to give more recovery time.

No four days later the pain is more dull than anything. Feels like it's going away - however, how long should I wait to hit legs again? I was thinking of trying tomorrow, but it may not feel 100% yet.

Thoughts?