# A Review on Ergonomics in Agriculture. Part II: Mechanized Operations
## 4 Results
### Supopsis of the Methodologies, Ergonomic Interventions and Risk Factors for the Development of MSDs
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Ref.** & **Year** & **Country** & **Machinery** & **Part.** & **Methods** \\ \hline
[54] & 2010 & India & Tractor & 379 & Handgrip dynamometer; 16 isometric strength parameters were measured & \\  & & & & & TA, WBVHS Quest; WBV and mechanical shock measurements; Survey on seasonal \\
[66] & 2010 & New Zealand & Quad bike & 12 & shock measurements; Survey on seasonal \\  & & & & & use and spinal discomfort \\
[59] & 2011 & Greece & Tractor & 1 & Vibration was measured for various \\  & & & & & terrains and operating conditions \\
[67] & 2011 & New Zealand & Quad bike & 130 & TA, WBVHS Quest; A seat pad mounted \\  & & & & & TA measured vibrations and shocks \\
[12] & 2011 & New Zealand & Quad bike & 130 & survey examined the prevalence of loss of \\  & & & & & control depending on various factors \\  & & & & & TA; Measurements in 3 cases \\
[14] & 2012 & India & Power tiller & 3 & (transportation on farms, tottilling with \\  & & & & & rotator and tilting with cultivator); 3 \\  & & & & & materials at handles to reduce HATV \\
[68] & 2012 & New Zealand & Quad bike & 130 & TA measured vibrations and shocks; \\  & & & & & Personal, workplace and vehicle \\  & & & & & characteristics were collected \\  & & & & & TA; The following variables were \\
[57] & 2012 & Poland & Tractor & N/A & estimated: total monthly and mean \\  & & & & & equivalent vibration doses as well as \\  & & & & & mean equivalent everyday acceleration \\
[15] & 2013 & Malaysia & Grass trimmer & 10 & \\  & & & & & TA, FFT analyzer; Transversal deflection, \\
[48] & 2014 & Spain & Tractor & N/A & nodal technique and operating deflection \\  & & & & & shape analysis of the grass trimmer \\
[49] & 2014 & UK & Tractor & N/A & Piezoelectric accelerometer; Geometrical \\  & & & & & and experimental examination \\
[71] & 2015 & Malaysia & Grass trimmer & 83 & Quest; Experts’ opinion on the influence \\  & & & & & of combined exposure to WBV and trunk \\  & & & & & rotation \\  & & & & & \\  & & & & & \\
[18] & 2015 & Norway & Tractor & N/A & Origin force sensor, EMG; Simulated \\  & & & & & blowing operation including walking on \\  & & & & & uneven and even terrain with suggested \\  & & & & & vertical handles and conventional \\  & & & & horizontal ones \\  & & & & & Dynamical (for measuring hand grip \\
[71] & 2015 & Malaysia & Grass trimmer & 204 & strength), physical observation for color \\  & & & & & changes in the fingers, HAVS Quest \\  & & & & & WB accelerometer; Experimental \\
[18] & 2015 & Norway & Tractor & N/A & measurements on a specific vehicle for \\  & & & & different combinations of driving uphill \\  & & & & & and downhill \\  & & & & & Biomechanical model to calculate the \\
[62] & 2015 & India & Tractor & N/A & (lumbar vertebra) of the operator with \\  & & & & seats having different backrest cushions \\  & & & & and seat pans \\
[70] & 2015 & New Zealand & Quad bike & 34 & TA; The postural control was found from \\  & & & & displacements of the center of pressure at \\  & & & & & 3 different time periods \\  & & & & TA, Quest; Measurement of accelerations \\
[79] & 2015 & Japan & Various & 1 & at the seat base and at the seat pan in 4 \\  & & & & & vehicles having various implements \\  & & & & attached over one year \\
[13] & 2016 & Malaysia & Grass trimmer & 168 & HAVS Quest; Survey on HATV exposure \\  & & & & and symptoms \\  & & & & and symptoms \\  & & & & TA, Round Robin test; Tasks typically \\
[72] & 2016 & Italy & Handheld olive & 60 & done during olive harvesting were \\  & & & & performed via a tree simulator and field \\  & & & & tests \\ \hline \hline \end{tabular}
\end{table} 
Table 2: List of the selected journal papers along with the date of publishing, country that the survey was conducted, studied machinery, number of participants and methodology.