Oblique cord is related to

OBLIQUE CORD:-Strong fibrous band which extends from medial side of the tuberosity of ulna to the lower pa of tuberosity of radius.Fibres directed downwards and laterally.i.e, opposite to that of interosseous membrane.Oblique cord between ulnar and radial tuberosities represent degenerated tendon of FPL muscle.{Reference: Vishram Singh, pg no. 145}