Bruxism
Conditions
Brief summary
The aim of this study is to evaluate the associations between bruxism and neuromuscular function, as well as athletic performance, in a population of amateur athletes. Particular attention will be paid to musculoskeletal disorders associated with bruxism, particularly in the shoulder. Participants' history of sports injuries will also be recorded. To control for the effect of potential confounding variables, levels of stress, anxiety, and mood, as well as sleep quality, will be systematically measured using validated questionnaires.
Interventions
None listed
Sponsors
Mainjot Amélie
Study design
Observational model
COHORT
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to 35 Years
Healthy volunteers
Yes
Inclusion criteria
* Practices swimming or handball 3 to 8 hours per week. * Has the cognitive/mental capacity to take part in this study. * Fluent in the language of the survey (French).
Exclusion criteria
* Current orthodontic treatment or treatment completed within the last 2 months. * Shoulder and/or cervical spine injury or surgery within the past 6 months. * Current cessation or limitation of sports activity due to shoulder and/or cervical symptoms at the time of participation. * Any pathology or history of trauma to the dominant hand resulting in reduced grip strength. * Any clinically manifest infectious episode at the time of participation.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Muscular Tone | Baseline | Myotonometry will be performed with the MyotonPRO device, a digital palpation device, on the masseter, sternocleidomastoid, upper trapezius, erector spinae and quadriceps muscles at rest, The device gives : F - Natural Oscillation Frequency \[Hz\], characterizing Tone or Tension (higher values = higher tension) |
| Dynamic Stiffness | Baseline | Myotonometry will be performed with the MyotonPRO device, a digital palpation device, on the masseter, sternocleidomastoid, upper trapezius, erector spinae and quadriceps muscles at rest, The device gives : S - Dynamic Stiffness \[N/m\] (This biophysical parameter reflects the muscle's ability to resist contractions or external stresses to deformation, it can increased with exercice or pain) |
| Muscular elasticity | Baseline | Myotonometry will be performed with the MyotonPRO device, a digital palpation device, on the masseter, sternocleidomastoid, upper trapezius, erector spinae and quadriceps muscles at rest, The device gives parameter of the neuromuscular function: D - Logarithmic Decrement \[relative unit\], characterizing Elasticity (Higher values = lower elasticity) |
| Muscular Mechanical Stress Relaxation Time | Baseline | Myotonometry will be performed with the MyotonPRO device, a digital palpation device, on the masseter, sternocleidomastoid, upper trapezius, erector spinae and quadriceps muscles at rest, The device gives : R - Mechanical Stress Relaxation Time \[ms\] (low value correspond to fast tissue recovers its shape) |
| Muscular Creep | Baseline | Myotonometry will be performed with the MyotonPRO device, a digital palpation device, on the masseter, sternocleidomastoid, upper trapezius, erector spinae and quadriceps muscles at rest, The device gives : C - Ratio of Relaxation and Deformation time \[relative unit\], characterizing Creep (Higher Creep Value: Indicates higher fluidity, meaning the muscle is less rigid) |
| Maximal grip strength test | Baseline | Will be evaluated with the Eforto device, which is the first validated device to measure maximal grip strength test. One value in kPa. Higher values indicate higher muscle strength. |
| Muscle fatigue | Baseline | Will be evaluated with the Eforto device, which is the first validated device to measure muscle fatigability (fatigue resistance test, which was shown to reflect the level of both muscle energy and metabolism, neuromuscular function, and immune and stress responses). One value obtained, in seconds. Cut-off normative values in healthy 25-35 year-old male and female people are available, and lower values indicate increased muscle fatigability. |
| Trapeze isometric force | Baseline | Will be evaluated with dynamometer, higher values (unit is N) meaning higher muscular isometric force |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Shoulder - passive range of motion | Baseline | Measurement of passive range of motion in internal and external rotation of the shoulder using a goniometer (in degrees), with the arm abducted 90° in the frontal plane. The higher values correspond to the higher passive range of motion |
| Cervical spine mobility | Baseline | Cervical spine mobility (flexion, extension, lateral flexion to the right and left, and rotation to the right and left). Assessment using a ordinal scale with values : Good, limited, very limited, from better to worse outcomes. |
| Athletic performance | Baseline | Athletic performance will be assessed and measured at the start of training and after the warm-up using a test specific to each sport. For swimmers, a 50-meter crawl at maximum speed will be timed. For handball players, a T-test will be conducted and measured using photoelectric sensors. This test evaluates speed and accuracy on a course of cones arranged in a T-shape with specific distances between the cones (spaced 5 to 10 meters apart). The lower values correspond to the better athletic performance. |
| History of sports injuries | Baseline | Obtained through questioning following International Olympic Committee guidelines. Descriptive outcome. Score severity according to the number and the severity of the injuries. |
Countries
Belgium
Outcome results
None listed