Samiha Mohamed Ibrahim Abd Elkader, Abdullah Mohamed Yehia Al-Shenqiti and Tarek Mohamed Fathi El-Gohary 2022. Trunk extensors endurance with arms parallel to the trunk is superior to other arms positions: randomized- controlled trial. Journal of the Pakistan Medical Association. 72, 2 (Apr. 2022), 222–227. DOI:https://doi.org/10.47391/JPMA.496.