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Related Concept Videos

Somatic Spinal Reflexes01:22

Somatic Spinal Reflexes

Somatic spinal reflexes are rapid, involuntary muscular responses to external stimuli that involve the somatic musculature and the spinal cord.
One of the most well-known somatic spinal reflexes is the stretch reflex, which is activated by the sudden stretching of a muscle. This reflex involves the activation of specialized sensory receptors called muscle spindles, which are located in the muscle tissue and detect changes in the length and speed of muscle contractions. When a muscle is suddenly...

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Using Unidirectional Rotations to Improve Vestibular System Asymmetry in Patients with Vestibular Dysfunction
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Reverse-motion cervical rotation exercises improve cervical mobility: a 2-week intervention study.

Koji Murofushi1, Hiroshi Akuzawa1, Sho Mitomo2

  • 1GENTEN Research Center, Institute of Science Tokyo, Tokyo, Japan.

Frontiers in Sports and Active Living
|June 19, 2026
PubMed
Summary

Reverse-motion exercises significantly improved cervical spine rotation range of motion (ROM) immediately and over two weeks. These exercises offer an effective method for enhancing cervical spine mobility.

Keywords:
activities of daily livingcervical range of motioncervicothoracic mobilitycorrective exercisekoji awarenessreverse motionthoracic rotation

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Area of Science:

  • Kinesiology
  • Physical Therapy
  • Spinal Health

Background:

  • Cervical spine rotation is crucial for daily activities, with limitations often impacting quality of life.
  • Traditional methods for improving cervical mobility often involve direct manipulation or stretching.
  • Reverse-motion exercises offer an alternative by mobilizing the cervical spine indirectly through thoracic and trunk movements.

Purpose of the Study:

  • To investigate the immediate and short-term effects of two specific reverse-motion exercises on cervical spine rotation range of motion (ROM).
  • To evaluate the efficacy of Archer's Rotation and Python Squeeze exercises in improving restricted cervical rotation.

Main Methods:

  • A single-arm, 2-week intervention study involving 17 participants with restricted cervical rotation.
  • Participants performed Archer's Rotation and Python Squeeze exercises at home, 3 days per week.
  • Cervical rotational ROM was measured at baseline, immediately post-intervention, and after the 2-week period.

Main Results:

  • Significant improvements were observed in both right and left cervical rotation ROM (p < 0.001).
  • Right rotation increased from 60.6° to 68.5°, and left rotation improved from 59.7° to 68.8° post-intervention.
  • A significant increase in participants achieving a full score on the KOJI AWARENESS cervical spine test was noted.

Conclusions:

  • Reverse-motion cervical spine exercises led to meaningful immediate and short-term gains in cervical rotational ROM.
  • These exercises provide an effective, practical, and integrated approach to enhancing cervical spine mobility.
  • The findings support the use of reverse-motion exercises as a viable strategy for improving cervical function.