Abstract
The daily exposure action and limit values (DEAV and DELV) from Directive
2002/44/EC, based on the ISO 2631-1 Vibration Dose Value (VDV), can be used to protect the health of workers who are exposed to vibrations. The aim of this paper was to assess the suitability of the DEAV/DELV and VDV for activities with relatively large amplitude vibrations due to impact loading of the body. As an example, we studied horse riding.
Equestrians rode in walking gait and canter for 30 and 10 minutes, respectively. Their movements were measured using Inertial Measurement Units (IMUs) on the saddle and the rider’s pelvis. Pelvis accelerations were used to calculate the VDV.
Results (n=5) show a VDV of 18-32 m/s1.75 for 30 minutes of walking and 58-69 m/s1.75 for 10 minutes of canter. Considering a DELV of 21 m/s1.75, this limit is reached after 8 minutes of walking or 8-30 seconds of cantering.
Although cantering is generally not perceived as harmful for the rider’s back, the
DELV was reached quickly during this activity. Furthermore, even at walking pace,
which is not expected to cause back problems, the DEAV of 9.1 m/s1.75 was
exceeded and in most cases the DELV was also reached within 30 minutes.
2002/44/EC, based on the ISO 2631-1 Vibration Dose Value (VDV), can be used to protect the health of workers who are exposed to vibrations. The aim of this paper was to assess the suitability of the DEAV/DELV and VDV for activities with relatively large amplitude vibrations due to impact loading of the body. As an example, we studied horse riding.
Equestrians rode in walking gait and canter for 30 and 10 minutes, respectively. Their movements were measured using Inertial Measurement Units (IMUs) on the saddle and the rider’s pelvis. Pelvis accelerations were used to calculate the VDV.
Results (n=5) show a VDV of 18-32 m/s1.75 for 30 minutes of walking and 58-69 m/s1.75 for 10 minutes of canter. Considering a DELV of 21 m/s1.75, this limit is reached after 8 minutes of walking or 8-30 seconds of cantering.
Although cantering is generally not perceived as harmful for the rider’s back, the
DELV was reached quickly during this activity. Furthermore, even at walking pace,
which is not expected to cause back problems, the DEAV of 9.1 m/s1.75 was
exceeded and in most cases the DELV was also reached within 30 minutes.
| Original language | English |
|---|---|
| Title of host publication | Human Response to Vibration Conference proceedings |
| Publication status | Unpublished - 2023 |