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ISSN : 2092-8475(Print)
ISSN : (Online)
Journal of International Academy of Physical Therapy Research Vol.12 No.3 pp.2412-2418

Effect of Sling with Cervical Spine Lateral Mobilization on the Range of Motion and Muscle Stiffness of Cervical Region in Healthy Subjects

Joongsan Wang,Jeongja Kim
Department of Physical Therapy, Howon University;Department of Physical Therapy, Howon University


Background: Cervical spine mobilization is an effective intervention method to increase cervical range of motion (ROM). However, whether using a sling with cervical spine mobilization can provide a similar positive effect in improving ROM and muscle stiffness as conventional cervical spine mobilization has not yet been proven.
Objectives: To investigated the effects of sling with cervical spine lateral mobilization on improving neck ROM and muscle stiffness in healthy subjects.
Design: A two-group pre-posttest design.
Methods: A total of 20 healthy subjects were allocated to a sling with cervical spine mobilization (SWCM) group (n=10) and a cervical spine mobilization (CM) group (n=10). The mobilization exercise at grade Ⅳ+ amplitude was applied to the left-side and right-side C3-C4 and C4-C5 of each group for three sets. The mobilization exercise was performed for 30 seconds (frequency of two vibrations per second), with a 30-second resting time. The active cervical ROM, muscle tone, and muscle stiffness of the cervical region of each group was measured and compared before and after the intervention.
Results: The active cervical ROM of both groups significantly improved after the intervention (p<.05). However, no significant differences in the cervical active ROM, cervical muscle tone, and muscle stiffness were observed between two groups. Conclusion: The application of sling with cervical spine lateral mobilization is an intervention method that can be effectively used to improve the physiological movement of the neck, as well as cervical muscle tone and stiffness.




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