In this context, it seems like you're referring to a structure that could be part of or related to the inguinal region, given the proximity and relation of these terms to that area.
: Tenderness directly over the pubic tubercle or pain during a resisted sit-up. rectus abdominis adductor aponeurosis
These aponeuroses wrap around the rectus abdominis, meeting at the (midline). In this context, it seems like you're referring
: If you encounter “adductor aponeurosis” in relation to rectus abdominis, it is almost certainly a misnomer for the conjoint tendon (inguinal falx) . No direct adductor muscle aponeurosis attaches to the rectus abdominis. In this context