This study explores if a subject with the neck in full maximal flexion is able to selective contract the the obliquus capitis minor and the rectus capitis major by head extension and rotation while maintaining the spine position. MSK Ultrasound imaging will be used to measure changes both in length and width.
This study explores with the use of MSK Ultrasound imaging if the obliquus capitis minor and the rectus capitis major can be contracted with specific exercises.