Stiffness/Tightness is a normal occurrence after this kind of major surgery. Your surgeon did major carpentry work and disturbed every millimeter of soft tissue in this area. You aren't tight because your muscle is underused and needs to be stretched and rehabbed. You're tight because your tissue is healing...and full healing takes a full year or more.
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Tight Band feeling across the front of my knee
That tight band is caused by scar tissue but not the adhesions type of scar tissue. When the surgeon opens up the knee, he has to undercut the skin and superficial structures from that centre line to each side of the knee in order to get good access all round the bones. Part of the healing...
