[2] The main benefit of using a wrist rest is increased comfort, especially for those using keyboards over long periods.
[1][4] Usage of a wrist rest can alleviate tension can take away pressure from the neck, shoulders and arms.
[1] Prolonged contact between the wrists and the rest may cause carpal tunnel syndrome or tenosynovitis.
[1] To mitigate potential problems, the Occupational Safety and Health Administration (OSHA) recommends the hands to be elevated above the rest while typing.
[1] A 2004 study published in Elsevier described the literature on the efficacy of wrist rests as "limited, inconclusive, and contradictory".