Changes in the percentage of daily activities and recreation limit due to MSDs at each anatomical site before and after the intervention by the intervention nurses Anatomical sites Daily activities p Recreational activities p After n (%) Before n (%) After n (%) Before n (%) Neck 17 (34, 7) 10 (29, 4) 0, 028 16 (32, 7) 8 (23, 5) 0, 021 18 Shoulder 12 (36, 4) 6 (26, 1) 0, 040 10 (30, 3) 4 (17, 4) 0, 015 Elbows 7 (53, 8) 2 (28, 6) 0, 007 5 (38, 5) 2 (28, 6) 0, 007 Wrists / hands 11 (52, 4) 4 (28, 6) 0, 006 7 (33, 3) 3 (21, 4) 0, 032 Upper back 12 (30, 8) 7 (25, 0) 0, 019 13 (33, 3) 7 (25, 0) 0, 009 lower back 21 (39, 6) 12 (27, 9) 0, 003 24 (45, 3) 13 (30, 2) 0, 005 Hips / thighs 2 (25, 0) 1 (20, 0) 0, 354 3 (37, 5) 1 (20, 0) 0, 04 Knees 3 (27, 3) 2 (22, 2) 0, 141 3 (27, 3) 2 (22, 2) 0, 811 Ankles / feets 2 (25, 0) 1 (25, 0) 0, 585 3 (37, 5) 1 (25, 0) <0, 001.