4.2. The combination music media and lower extremity
exercise therapy promotes lower limb blood circulation
In this study, following six months treatment, the average
peak velocity of the dorsal artery among the intervention
group was 15.91 ± 0.81 cm/s compared with 14.94 ± 0.78 cm/s
in the control group (p < 0.05). This implies that the therapy
combining music media with lower extremity exercise could
significantly improve lower limb blood circulation of elderly
diabetic patients. Peak blood flow velocity represented the
highest flow rate in the vascular sectional area during heart
contractions. This measure reflects the degree of artery stenosis,
which could result in a decrease in peak blood flow
velocity due to increasing blood flow resistance. Exercise
therapy not only appears to promote the generation of
ischemic limb cardio-vasculature and the formation of
collateral circulation to improve tissue ischemia, but also
likely enhances insulin sensitivity, reduces insulin resistance
and regulates blood sugar to delay lesions of the lower limb
vasculature while improving foot blood circulation [4,20e22].
The study by Jiao et al. (year) highlighted the importance of the
lower extremity exercise to prevent and cure foot problems in
elderly diabetics by improving peak velocity of the posterior tibial and dorsalis pedis arteries and therein promote blood
circulation. Furthermore, other researchers in China found
that an increase in peak flow velocity of the dorsalis pedis
artery played a role in protecting peripheral vasculature.
Music media mainly played a role in strengthening the treatment
efficacy by enhancing exercise adherence [19]. Notably,
there was no significant difference in the peak velocity of
dorsal artery after three months intervention. This is potentially
attributable to the timing of the intervention nonenough
or the change of the lower limb vascular not very
obvious. Because the treatment and management of diabetes
is a long-term dynamic process, continual patient movement
should be a priority during therapy.