# Musculoskeletaleltal Symptoms and Assessment of Ergonomic Risk Factors on a Coffee Farm
## 3 Results  
Regarding Table 4, 100% do not perceive symptoms in the areas of the hips or right thigh, followed by 97.2% in the left thigh and 95.8% in the lower right and left leg. Regarding those skeletal muscle groups where symptoms are perceived more frequently (over 30 days during the last 12 months), the upper back and the right knee are found, with 72.9%, followed by the left knee and both feet, with 70.8%. It can be seen from Table 4 that the body regions that present more prolonged symptoms are (>30 days): neck, right and left shoulder, upper and lower back, right and left wrist, right and left knee and right and left foot, all with values exceeding 50% of the coffee farmers surveyed. \begin{table}
\begin{tabular}{c c c c c c c c c c c} \hline \hline \multirow{2}{*}{**Body Region**} & \multicolumn{6}{c}{**Frequency and Percentage of Workers**} \\ \cline{2-11}  & \multicolumn{2}{c}{**0 Days**} & \multicolumn{2}{c}{**1 to 7 Days**} & \multicolumn{2}{c}{**8 to 30 Days**} & \multicolumn{2}{c}{**\textgreater{}30 Days**} & \multicolumn{2}{c}{**All Days**} \\ \cline{2-11}  & **f** & **\%** & **f** & **\%** & **f** & **\%** & **f** & **\%** & **f** & **\%** \\ \hline Neck & 11 & 22.9 & 0 & 0.0 & 10 & 20.8 & 27 & 56.3 & 0 & 0.0 \\ Right shoulder & 3 & 6.3 & 1 & 2.1 & 12 & 25.0 & 32 & 66.7 & 0 & 0.0 \\ Left shoulder & 3 & 6.3 & 1 & 2.1 & 12 & 25.0 & 32 & 66.7 & 0 & 0.0 \\ Upper back & 1 & 2.1 & 1 & 2.1 & 11 & 22.9 & 35 & 72.9 & 0 & 0.0 \\ Right upper arm & 29 & 60.4 & 1 & 2.1 & 4 & 8.3 & 14 & 29.2 & 0 & 0.0 \\ Left upper arm & 31 & 64.6 & 1 & 2.1 & 4 & 8.3 & 12 & 25.0 & 0 & 0.0 \\ Lower back & 4 & 8.3 & 1 & 2.1 & 10 & 20.8 & 33 & 68.8 & 0 & 0.0 \\ Right forearm & 44 & 91.6 & 0 & 0.0 & 2 & 4.2 & 2 & 4.2 & 0 & 0.0 \\ Left forearm & 45 & 93.7 & 0 & 0.0 & 2 & 4.2 & 1 & 2.1 & 0 & 0.0 \\ Right wrist & 8 & 16.7 & 0 & 0.0 & 9 & 18.7 & 31 & 64.6 & 0 & 0.0 \\ Left wrist & 9 & 18.7 & 0 & 0.0 & 9 & 18.7 & 30 & 62.5 & 0 & 0.0 \\ Hip/buttocks & 48 & 100 & 0 & 0.0 & 0 & 0.0 & 0 & 0.0 & 0 & 0.0 \\ Right thigh & 48 & 100 & 0 & 0.0 & 0 & 0.0 & 0 & 0.0 & 0 & 0.0 \\ Left thigh & 47 & 97.9 & 0 & 0.0 & 0 & 0.0 & 1 & 2.1 & 0 & 0.0 \\ Right knee & 3 & 6.3 & 1 & 2.1 & 9 & 18.7 & 35 & 72.9 & 0 & 0.0 \\ Left knee & 4 & 8.3 & 1 & 2.1 & 9 & 18.7 & 34 & 70.8 & 0 & 0.0 \\ Right lower leg & 46 & 95.8 & 0 & 0.0 & 1 & 2.1 & 1 & 2.1 & 0 & 0.0 \\ Left lower leg & 46 & 95.8 & 0 & 0.0 & 1 & 2.1 & 1 & 2.1 & 0 & 0.0 \\ Right foot & 3 & 6.3 & 0 & 0.0 & 11 & 22.9 & 34 & 70.8 & 0 & 0.0 \\ Left foot & 3 & 6.3 & 0 & 0.0 & 11 & 22.9 & 34 & 70.8 & 0 & 0.0 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Frequency (f) and percentage (%) of workers who perceived musculoskeletal symptoms by body region according to number of days during the last 12 months (\(n=48\)). Table 5 shows, in the three occupational groups, 50% or more of the workers reported discomfort for more than 30 days in the last 12 months at the level of the right and left shoulder, upper and lower back, right and left wrist, right and left knee and right and left foot. Moreover, at the neck level, over 50% of the cutters and pickers reported discomfort for more than 30 days in the last 12 months. Table 6 shows the absence of proportional differences, when detailed by smoker, alcohol drinker, gender, height, or weight, in the musculoskeletal symptoms in the different body regions. Table 7 shows that the frequency of workers in the range of 20-29 years who report musculoskeletal symptoms is lower than those who belong to the range of 60+.