Functional Anatomy ADVERTISEMENT 724 viewsMarch 19, 2017 0 Lee March 19, 2017 0 Comments Which muscle group works the hardest (isometrically) when performing a wrist curl in the pronated position? a. wrist flexors b. wrist extensors c. elbow flexors d. elbow extensors 6 Answers ActiveVotedNewestOldest 0 NatalieSmith5 Posted 0 Comments Hello Lee Chong, Think about what the wrist does and what the elbow does. Now go from there. Thank you, Natalie aka NAPS 2 B Fit. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login