Compression type - inverse C7-T1: Prevalence Male/Female 35/52 %.
Compression is defined as having C7-T3 mobility equal or less than 61.8%. Inverse is diagnosed as having equal or less C7-T1 mobility, compared to T1-2.

Relationship to different symptoms

• Neck-shoulder pain: Is related to having low values in C7-T1
• Disc herniation C5 or C6:  Consider disc herniation if T3-4 is larger than 19.6 in male
• Disc herniation C7 or C8: Consider disc herniation if T2-3 is larger than 19.9 in female
• Increased mental stress: More frequent when diagnosed  with inverse C7-T1 function
• Age: Values below lower quartile T2-3 more frequent in higher age
• GERD symptoms: More frequent among compression type and overweight
• Reduced grip strength: Is related to low values in C7-T1