Condition 1: Balance. Condition 2: Forward head. Condition 3: Neck proprioception. Condition 4: Neck muscle endurance.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Craniovertebral angle less than 50 degrees Interest and written consent of parents and students Educational (use of large-print book) or legal visual impairment (visual acuity between 20/70 and 20/200 in the better eye after vision correction) 7-18 years old students
Exclusion criteria
Exclusion criteria: Acute erectile deformity and apparent differences in limb length Nervous system and auditory system defects Fractures, surgery or joint diseases of the spine Dizziness, headache and severe pain in the neck or upper limbs A history of regular exercise, occupational therapy, or correctional exercises in the past year Mental diseases Other disabilities
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Static balance. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using a single-legged standing test with open eyes.;Dynamic balance. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using the modified star excursion balance test.;Forward head. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using a photo of the lateral view of people and measuring the cranio-cervical angle by Kinovea software.;Repositioning error. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using laser marker and calibrated screen.;Endurance of the deep flexor muscles of the neck. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using the deep neck flexor endurance test.;Endurance of deep neck extensor muscles of the neck. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Using deep neck extensor endurance test. | — |
Secondary
| Measure | Time frame |
|---|---|
| Musculoskeletal discomfort. Timepoint: Before the start of the interventions and a few days after the end of the training interventions. Method of measurement: Cornell Musculoskeletal Discomfort Questionnaire (CMDQ). | — |
Countries
Iran (Islamic Republic of)
Contacts
Islamic Azad University