Regardless of the underlying mechanism, there seems to be a growing number of studies that do show a correlation between massage therapy and blood circulation. Although these studies at present seem to be inconsistent in their findings, the fact that many of them do show a causal relationship is encouraging.
The Effect of Massage Therapy on Blood Pressure in Prehypertensive Women
The results indicated that the mean systolic and diastolic blood pressures in the massage group were significantly lower in comparison with the control group. The results also showed that the lowered blood pressure was still observed 72 hours after the treatment.
Cardiovascular Responses to Skeletal Muscle Stretching
Emerging evidence suggests that short-term or long-term stretching exercise may have beneficial cardiovascular responses.