The features of uterine contraction in spastic lower segment are all except
Fundal dominance ,which indicates that the intensity is strongest ath the fundus,(not at the lower segment) with a gradual decrease downwards. Refer page no 109 of Text book of obstetrics ,sheila balakrishnan,2 nd edition.
Presence of fundal dominance
There may be reversed polarity
Inadequate relaxation in between contractions
Basal tonus is usually raised above the critical level of 20 mm Hg
Abnormal labor