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| Name | Class |
|---|---|
| University Grenoble Alps | OTHER |
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Background:
Physical activity programs at the workplace have shown positive results on physical capacities and pain for several years. Due to the duration of the training session, the need of instructor, and the need of a place to practice, these programs are commonly complex to implement. For this reason, many of companies, especially companies in manual sectors are turning to another solution, i.e warm-up intervention before work shift. These interventions present on paper numerous advantages such as short duration, no need to specifically allocate a place in companies and the possibility to perform exercises in working clothes… Surprisingly, while positive effects of warm-up interventions on pain, performance physical and psychological capacities, are expansively reported in sport context, effects of workplace warm-up intervention are lacking. Therefore, the aims of this study are (1) to implement such intervention among vineyard-workers, workers highly exposed to heavy physical workload and pain and (2) to assess their effects on physical (pain, strength, flexibility) and psychological (workload) functions and also on work-related outcomes (work performance, readiness to work)
Methods:
A cluster randomized study will be implemented among French vineyard workers. Four groups of 30 participants will be constituted; corresponding to four different conditions: (1) hybrid warm-up intervention (HWU); (2) dynamic warm-up intervention (DWU); (3) stretching warm-up intervention (SWU); (4) no warm-up intervention (NWU). A total of 120 vineyard-workers will be recruited to participate in the study.
Discussion:
The results will provide more evidence about the short-term effects of warm-up interventions at the workplace, and will provide more evidence on which warm-up modality is the most effective on pain, performance, physical and psychological capacities among vineyard workers.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hybrid warm-up intervention | Experimental |
| |
| Dynamic warm-up intervention | Experimental |
| |
| Stretching warm-up intervention | Experimental |
| |
| No warm-up intervention | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Hybrid Warm-up | Other | Dynamic + stretching exercises |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated for the last 3 months |
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated before the warm-up intervention (Time 0) |
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated after the warm-up intervention (Time 1) |
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated at the beginning of the working activity (Time 2) |
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated after the first hour of work (Time 3) |
| Perceived pain intensity |
| Measure | Description | Time Frame |
|---|---|---|
| Handgrip Strength | Handgrip Strength | Before the warm-up intervention (Time 0) |
| Handgrip Strength | Handgrip Strength | After the warm-up intervention (Time 1) |
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Inclusion Criteria:
Exclusion Criteria:
- not to present previous surgery in the low back region in the last 12 months
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| Name | Affiliation | Role |
|---|---|---|
| Nicolas Vuillerme, Phd | UniversitéGrenobleAlpes | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| OptiMouv | Pauillac | Gironde | 33250 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37635160 | Derived | Larinier N, Vuillerme N, Jadaud A, Malherbe S, Giraud E, Balaguier R. Acute Effects of a Warm-Up Intervention on Pain, Productivity, Physical Capacities and Psychological Perceptions Among Vineyard Workers: a Cluster Randomized Trial. J Occup Rehabil. 2024 Mar;34(1):100-115. doi: 10.1007/s10926-023-10134-2. Epub 2023 Aug 28. |
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| ID | Term |
|---|---|
| D010146 | Pain |
| D014947 | Wounds and Injuries |
| D009043 | Motor Activity |
| ID | Term |
|---|---|
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001519 | Behavior |
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A cluster randomized study will be implemented among French vineyard workers. Four groups of 30 participants will be constituted; corresponding to four different conditions: (1) hybrid warm-up intervention (HWU); (2) dynamic warm-up intervention (DWU); (3) stretching warm-up intervention (SWU); (4) no warm-up intervention (NWU). A total of 120 vineyard-workers will be recruited to participate in the study.
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| Dynamic Warm-up |
| Other |
Dynamic exercises |
|
| Stretching Warm-up | Other | Stretching exercises |
|
Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". |
| Pain intensity will be rated after the second hour of work (Time 4) |
| Perceived pain intensity | Participants will be asked to rate their pain intensity over 15 anatomical locations using a 0-10 numerical rating scale (NRS), where 0 is used to indicate "no pain" while 10 indicate the "worst possible pain". | Pain intensity will be rated after three hour of work (Time 5) |
| Work performance | number of grapevine pruned | After one hour of work (Time 3) |
| Work performance | number of grapevine pruned | After two hours of work (Time 4) |
| Work performance | number of grapevine pruned | After three hours of work (Time 5) |
| Handgrip Strength | Handgrip Strength | After three hour of work (Time 5) |
| Flexibility | Flexibility of the trunk and the hamstrings - Finger to floor test | Before the warm-up intervention (Time 0) |
| Flexibility | Flexibility of the trunk and the hamstrings - Finger to floor test | After the warm-up intervention (Time 1) |
| Flexibility | Flexibility of the trunk and the hamstrings - Finger to floor test | After three hour of work (Time 5) |
| Flexibility | Flexibility of the shoulders - Back scratch test | Before the warm-up intervention (Time 0) |
| Flexibility | Flexibility of the shoulders - Back scratch test | After the warm-up intervention (Time 1) |
| Flexibility | Flexibility of the shoulders - Back scratch test | After three hour of work (Time 5) |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 0 |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 1 |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 2 |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 3 |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 4 |
| Heart rate | Heart rate with a heart rate monitor placed on the wrist | Time 5 |
| Readiness to work | Readiness to work was rated subjectively using a 0-10 numerical rating scale, where 0 was used to indicate "not at all ready" and 10 "perfectly ready to work" | Time 1 |
| Readiness to work | Readiness to work was rated subjectively using a 0-10 numerical rating scale, where 0 was used to indicate "not at all ready" and 10 "perfectly ready to work" | Time 2 |
| Work quality | Work quality will be assessed by the workers supervisors, with the same 0-10 scale in every company, developed by the research team and a vineyard growing specialist. | Time 5 |
| Workload | NASA Task Load Index (NASA TLX) is a multi-dimensional scale used to estimate workload from a worker. | Time 5 |
| Visuomotor reaction time | The FITLIGHT Trainer (FITLIGHT Sports Corp., Ontario, Canada) will be used to measure the visuomotor reaction time (VMRT). | Time 0 |
| Visuomotor reaction time | The FITLIGHT Trainer (FITLIGHT Sports Corp., Ontario, Canada) will be used to measure the visuomotor reaction time (VMRT). | Time 1 |
| Visuomotor reaction time | The FITLIGHT Trainer (FITLIGHT Sports Corp., Ontario, Canada) will be used to measure the visuomotor reaction time (VMRT). | Time 5 |