<prompt> The structure that lies lateral to distal radial tubercle is ?Extensor pollicis longusExtensor carpi radialis longusBrachoradialisExtensor carpi ulnaris  <response>: Ans. is b i.e., Extensor carpi radialis longus Dorum of lower end of radius has dorsal tubercle of radius Listers tubercle, which can be palpated in the line with the cleft between the index and middle fingers.The groove medial to Listers tubercle is traversed by tendon of extensor pollicis longus.The groove lateral to Listers tubercle is traversed by tendons of extensor carpi radialis longus ECRL and extensor carpi radialis brevis ECRB. 