Testing the Association Between Low Back Pain Intensity and Core Muscle Strength in Postpartum Women with Different...

Area of Science:

• Obstetrics and Gynecology
• Physical Therapy
• Rehabilitation Medicine

Background:

• Postpartum women commonly experience nonspecific low back pain (NSLBP).
• The influence of delivery mode on core muscle function, specifically transversus abdominis (TrA) and lumbar multifidus (LM), remains unclear.
• This knowledge gap hinders the development of effective rehabilitation strategies.

Purpose of the Study:

• To compare NSLBP intensity and TrA/LM muscle strength between women who had cesarean delivery (CD) and vaginal delivery (VD).
• To investigate the relationship between NSLBP intensity and core muscle strength in postpartum women.

Main Methods:

• An analytical cross-sectional study involving 36 postpartum women (18 CD, 18 VD).
• NSLBP intensity was measured using the visual analogue scale.
• TrA and LM muscle strength were assessed using a pressure biofeedback unit.

Main Results:

• The cesarean delivery group reported significantly higher NSLBP intensity and weaker TrA strength compared to the vaginal delivery group.
• No significant difference was observed in lumbar multifidus (LM) strength between the groups.
• No significant associations were found between NSLBP intensity and TrA or LM strength in either delivery group.

Conclusions:

• Cesarean delivery is associated with increased NSLBP and reduced TrA strength postpartum.
• Lumbar multifidus strength did not differ significantly between delivery groups.
• The lack of correlation between pain and core muscle strength suggests other factors contribute to NSLBP after cesarean delivery, necessitating broader rehabilitation approaches.