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Blog posts tagged in Peer-Reviewed Articles

The day my son was born, my daughter had not defecated for 5 days, and her pain was getting pretty intense. My husband and his mom took her to Seattle Children’s Hospital for help, and they suggested using Miralax and sent them away. When they got back to my hospital room, my daughter was straining so hard it looked like she was about to give birth! Being physical therapists, my husband and I massaged her little muscles and told her to take deep breaths, and eventually she did the deed, yet not without a heart-breaking struggle. Little did I know then there is actually research to back up our emergency, instinctual technique.

Zivkovic et al (2012) performed a study regarding the use of diaphragmatic breathing exercises and retraining of the pelvic floor in children with dysfunctional voiding. They defined dysfunctional voiding as urinary incontinence, straining, weakened stream, feeling the bladder has not emptied, and increased EMG activity during the discharge of urine. Although this study focuses primarily on urinary issues, it also includes constipation in the treatment and outcomes. Forty-three patients between the ages of 5 and 13 with no neurological disorders were included in the study. The subjects underwent standard urotherapy (education on normal voiding habits, appropriate fluid intake, keeping a voiding chart, and posture while voiding) in addition to pelvic floor muscle retraining and diaphragmatic breathing exercises. The results showed 100% of patients were cured of their constipation, 83% were cured of urinary incontinence, and 66% were cured of nocturnal enuresis.

More recently, Farahmand et al (2015) researched the effect of pelvic floor muscle exercise for functional constipation in the pediatric population. Stool withholding and delayed colonic transit are most often the causes for children having difficulty with bowel movements. Behavioral modifications combined with laxatives still left 30% of children symptomatic. Forty children between the ages of 4 and 18 performed pelvic floor muscle exercise sessions at home, two times per day for 8 weeks. The children walked for 5 minutes in a semi-sitting (squatting) position while being supervised by parents. The patients increased the exercise duration 5 minutes per week for the first two weeks and stayed the same over the next six weeks. The results showed 90% of patients reported overall improvement of symptoms. Defecation frequency, fecal consistency and decrease in fecal diameter were all found to be significantly improved. Although not statistically significant, the number of patients with stool withholding, fecal impaction, fecal incontinence, and painful defecation decreased as well.

The eve of my daughter’s 5th birthday has me reminiscing about my first pregnancy. I had recently surrendered my ACL on a ski slope and was contemplating surgery when I got confirmation I was pregnant. A seasoned surgeon had told me if I just wanted to return to running and not ski or do cutting sports (without a brace, anyway), I would probably be fine; so, I chose to forego the surgery and was running again 7 weeks later. Being my first pregnancy, I was not sure how hormones would affect my knee stability without an ACL or if the impact was safe for me and the baby or if my doctor would approve of my exercise choice of running. After all, pending ligamentous laxity from hormonal changes made running without an ACL seem risky while pregnant; but, runners tend to be, well, stubborn, when it comes to being able to run.

Deghan et al (2014) discuss the hormone relaxin and its effect on bone, muscle, tendon, ligaments, and cartilage. Interestingly, relaxin actually plays a role in the healing and remodeling of certain tissues in the body such as muscle and bone. However, the article also emphasizes how relaxin has been shown to reduce the integrity of the ACL and put female athletes at risk for injury. Lucky for me, that hormone couldn’t have its way with my knee since the ACL was already gone!

A study in the British Journal of Sports Medicine just published online October 4, 2015, encourages running and other high-impact sports before pregnancy to decrease the risk of pelvic girdle pain. The patients engaging in such exercises prior to being pregnant showed a 14% lower risk of having pelvic girdle pain during pregnancy. Out of 4069 women, 12.5% of the 10.4% of women who experienced pelvic pain were non-exercisers pre-pregnancy. The women who exercised 3-5 days per week and participated in high-impact aerobic exercise prior to being pregnant had less pelvic pain while pregnant.

Commonly in physical therapy we treat patients with osteopenia or osteoporosis, however, they are usually in our office for another diagnosis such as back, hip, or pelvic pain as the primary complaint and we learn about the osteoporosis from health history review. Physical therapy is an opportunity to provide them with not just relief from their primary complaint, but a chance to learn from a professional how to move in a more healthy way and learn the right ways to exercises to make a regular routine that can help them to protect their body and even slow or stop bone mineral density loss. This is important as the primary concern for a patient with the diagnosis of osteoporosis is risk of fracture (especially of the hip or spine) due to minimal trauma because of low bone mineral density. So let’s make sure we are giving patients comprehensive exercise programs that address their primary complaint, however be comprehensive and include exercise modes that may reduce fractures and may improve bone mineral density.

An interesting article by Palombaro et al1 in 2013 from Physical Therapy discusses a Cochrane review by Howe et al2 and applies the findings from this review to an example patient similar to the participants reviewed in the study. The goal of the article is to link evidence in the literature with how we practice as PT’s. The topic explored in the systematic review by Howe et al was exercise for the management of osteoporosis in women postmenopause and which exercise approaches reduce the loss of bone mineral density or reduce chance of fractures in women who are healthy postmenopause. The systematic review2 included 43 randomized controlled studies of postmenopausal women age 45-70 where the intervention groups included exercises that improved aerobic capacity or improved aerobic capacity and muscle strength and had a comparison group completing “usual activity: or placebo intervention. The duration of exercise lasted from 6 months to 2 years in the various studies. The results of the review demonstrated decreased bone loss (of the spine or hips) in groups who performed any type of exercise compared to the control groups. The review also performed additional sub group analysis to take into account the various types of exercise programs in the studies and found favorable effect for all types of exercises completed (dynamic, low force, high force, weight bearing, or non-weight bearing) all had favorable effect on bone density. The take home message from this systematic review is that exercise programs combining various forms of exercises lasting 6 months to 2 years resulted in reduced risk for fracture, and a slightly beneficial effect on bone mineral density of the spine, trochanter, and neck of the femur in postmenopausal women with osteoporosis.

At the end of this article1 the authors give a case of an active, postmenopausal female patient with history of osteopenia without a fracture seeking PT for an unrelated complaint. The authors took the findings from this review and showed the relevance of the findings, applying it to the patient and the outcome of care for this patient when giving her an exercise program. We can implement findings from this review simply to the common question posed by our patients… “what exercises should I be doing to help with my osteoporosis?”

Can patients benefit from a non-face-to-face treatment program for stress urinary incontinence? A recent study addressing this question was published in the British Journal of Urology International. This randomized, controlled trial utilized online recruitment of 250 community-dwelling women ages 18-70 years. Criteria was stress urinary incontinence (SUI) at least 1x/week, diagnosis based on self-assessment questionnaires, 2 days of bladder diaries, as well as a telephone interview with a urotherapist. The Outcomes tools included the International Consultation on Incontinence Questionnaire Short Form (ISIC-UI SF), the Lower Urinary Tract Symptoms Quality of Life (ICIQ-LUTSqol), the Patient Global Impression of Improvement, health-specific quality of life (EQ-VAS), use if incontinence aids, and satisfaction with treatment.

The participants were randomized into 2 pelvic floor muscle training groups: an “internet-based” group (n=124) and a group who were sent information in the mail (n=126). The internet-based program contained information about pelvic muscle contractions (8 escalating levels of training), behavioral training related to lifestyle changes. The internet group received email support from the urotherapist, and the postal group did not. Pelvic floor muscle training was instructed at at least 8 contractions 3 times/day. After the 3 month training period, the internet-based treatment group was advised to continue pelvic floor muscle training 2-3 times/week, whereas the mail training group were not given any advice about continued training frequency. Follow-up data was collected at 4 months post-intervention, at 1 year and 2 years. At 2 years follow-up, 38% of the participants were lost from the study.

Within both groups, the authors report that the International Consultation on Incontinence Questionnaire Short Form (ISIC-UI SF) and the Lower Urinary Tract Symptoms Quality of Life (ICIQ-LUTSqol) showed “highly significant improvements” after 1 and 2 years compared to baseline data. Much of the improvement occurred within the first 4 months of the study “…and then persisted throughout the follow-up period.” When comparing the internet group to the mail-only group, the perception of improvement following treatment was higher. Approximately 2/3 of the women in both groups reported satisfaction with the treatment even at the 2 year follow-up. The authors conclude that the internet or mail-based exercise programs may “…have the potential to increase access to care and the quality of care given to women with SUI [stress urinary incontinence] in a sustainable way.” Additionally, not all patients will improve significantly unless they have one-on-one intervention, leaving plenty of patients who do need our direct care.

After pushing a double stroller for a 3 mile run to the park yesterday, I had a flare up of hip pain that made me doubt my ability to get my kids back home. While they were playing, a hanging ladder caught my eye and sent my manual therapy wheels spinning. I carefully slipped my leg over one of the rungs, angled my body just right, and leaned away to distract my hip. I noticed a toddler staring at me, so I politely told her, “I’m just mobilizing my hip joint, sweetie, but you can go ahead and climb now!” My relief was almost immediate, and I realized my patients need to know how to help themselves, too! We all know how to prescribe home exercises for patients regarding stretching and strengthening, but once a therapist is competent performing joint mobilizations, the need for this arthokinematic movement is often found to be essential prior to the osteokinematic movement of stretching. The hip joint in particular is affected by pathologies of the lumbar spine, the sacroiliac joint, and the pelvic floor. When the hip joint is not moving around the proper physiological axis, then the knee can be negatively impacted as well as the areas just mentioned.

Therapists need to discern whether a patient is appropriate for self-hip mobilization instruction, as a “motor moron” probably would not be a good candidate to whom you would explain how to perform mobilizations at home. When you realize a patient “gets it,” then you can suggest the techniques to that patient. Reiman and Matheson (2013) presented a paper regarding suggestions for self-mobilization of the hip joint. They demonstrate an inferior-posterior hip glide with a towel, weight, and a step with or without muscle reeducation in hip flexion; an inferior and lateral glide with hip flexion movement; a hip posterior glide with or without movement; a hip lateral glide with or without muscle reeducation; a hip anterior glide with or without muscle reeducation; and, a long axis distraction mobilization. The authors conclude the efficacy of their protocol and techniques are not completely backed up by evidence yet and recommend they be implemented as an adjunct to evidence based practice, not a primary treatment approach.

Regarding the efficacy of hip mobilization in the clinic by a skilled clinician, a study by Makofsky et al, (2007) discusses the effect of inferior hip joint mobilization on hip abductor force. This study leaves little doubt that mobilizing the hip can facilitate contraction of the gluteus medius. A 17.35% increase in hip abduction torque was noted immediately after the inferior Grade IV hip mobilization; whereas, the control group without mobilization experienced a 3.68% decrease in hip abduction torque. We generally see patients much less often than our services are needed, so being able to teach patients how to mobilize on their own to supplement our work could be extremely effective in the long run.

Inflammatory bowel diseases such as ulcerative colitis and Crohn’s disease (CD), according to Lan et al., are characterized by chronic inflammation in intestinal mucosa. There is little information available based on human studies that links nutritional support with inflammatory bowel disease. The authors of this article analyzed the available information about supplements that appear beneficial in healing the gut mucosa. 

The intestinal epithelium acts as a selective barrier, and inflammatory bowel disease can disrupt this important barrier, affecting absorption, mucus production, and enteroendocrine secretion. Intestinal wound healing, according to the linked article, is “dependent on the precise balance of several processes including migration, proliferation, differentiation, and apoptosis of the epithelial cells.” Although there are few human clinical studies (more are animal and cell model studies) there is evidence that both macronutrient and micronutrient deficiencies may exist in patients who have inflammatory bowel disease. Patients may have malnutrition of proteins, of minerals and vitamins. Following are some points from the article:

  • Arginine, glutamine, and glutamate are noted as amino acids that contribute to mucosal healing in animal studies, as well as threonine, methionine, proline, serine, and cysteine. 
  • Short-chain fatty acids, which are the result of metabolized dietary fiber (grains, legumes, fruits and vegetables), and resistant starch (beans, potatoes, brown rice) are a major source of energy for epithelial cells in the colon
  • Vitamin A deficiency is common in patients with newly diagnosed IBD
  • Vitamin D may decrease intestinal fibrosis, and reduce risk of Crohn’s relapse
  • Vitamin C and Zinc may both help heal epithelial wounds in the colon
  • During the remission phase, some foods may be poorly tolerated, such as dairy
  • During an active flare of IBD, a patient may require enteral nutrition 

The authors conclude that the exact mechanisms by which the various dietary compounds contribute to bowel healing is still unknown. Furthermore, the ability to make clear dietary recommendations is limited by the lack of clinical studies. At a minimum, this information can alert the pelvic rehab provider to discuss the potential benefits of nutrition on bowel health with patients. Many of us are quite comfortable giving advice about drinking appropriate amounts and types of fluid, or eating more whole and less processed foods. We can take our nutritional education a step further by encouraging a patient to discuss healing supplements with a provider and/or nutritionist to best support the healing bowel. If you are interested in learning more about nutrition and pelvic health, you might love our newer course Nutrition Perspectives for the Pelvic Rehab Therapist Kansas City in March of next year with instructor Megan Pribyl.

Postpartum perineal injuries can cause pain and dysfunction for a short or an extended period of time. Pelvic rehab providers are in a position to educate women about the immediate and long-term management of perineal pain. A 2015 study by Manfre et al. assessed the response of cortisone cream application to the perineum in the immediate postpartum period. The study was a randomized controlled trial involving 27 subjects with each subject serving as her own control. Three different treatments were given over a 12 hour period: corticosteroid, placebo, and no treatment. (The hydrocortisone cream was at 1% in an alcohol-based cream, the placebo was a non-medicated acetyl alcohol-based cream.) The cream was applied by an investigator who placed the cream on a Witch Hazel pad. The participants and the researchers were blinded to the type of cream applied, and the applications were randomized and took place within the first 12.5 hours after birth. Perineal pain levels were assessed immediately before cream application, and at 30 and 60 minutes after application. Using a visual analog scale (VAS), the symptom of pain was assessed and compared to baseline. In the study, the authors report that in the immediate postpartum period, women in their institution were often prescribed medication ranging from ibuprofen to hydrocodone. Topical medications, ice packs, heat packs are also mentioned as available treatments. Other pain medications or cold packs were available during the study; no other topical creams were utilized.

Results indicated that the participants responded positively to both creams with significantly more pain reduction than the no treatment group. The authors propose that both creams provided a soothing effect by providing moisture to the tissues, creating a protective barrier, and preventing friction and irritation. Because the placebo emollient cream was not significantly more expensive than the hydrocortisone cream, the article suggests using hydrocortisone on the postpartum perineum due to the medication’s potential beneficial anti-inflammatory effects. Also of note was that ice packs were used by less than half of the women in the study, and when ice was used, it was only during the first four hours after birth. One reason for the low frequency use of ice was thought to be the difficulty in maintaining ice application on the perineum.Manfre 2015

Because the pelvic rehab provider is in an optimal role as educator for pain reduction strategies, this study provides some interesting information to share with other birth providers and with patients. Learn more about postpartum patient care at Care of the Postpartum Patient, available in Seattle this March.

Diastasis of the Rectus Abdominis Muscle (DRAM) is the separation of the two rectus abdominis muscles along the linea alba and is very common during and after pregnancy as the rectus abdominis and linea alba stretches and thins. Patients with DRAM are often sent to seek non-surgical management for DRAM from a physical therapist (PT). Typically these patients are either at the end of their pregnancy or adjusting to round the clock care of an infant. They can be sleep deprived, and have a full schedule of doctor’s appointments, having difficulty finding childcare, making attending PT somewhat challenging. Furthermore, they may have difficulty finding the time for a home exercise program (HEP). As PT’s we often struggle with making sure to give the patient exercises that will accomplish the goal of improving DRAM, however, making sure the HEP is not so extensive or time consuming that it becomes unmanageable. Is something as easy as abdominal bracing with exercise effective for reducing DRAM in post-partum women? A recent study published in 2015 in the International Journal of Physiotherapy and Research explores just this topic(Acharry).

Why is Diastasis of the Rectus Abdominis Muscle (DRAM) important?

Women with DRAM tend to have a higher degree of abdominal and pelvic region pain(Parker). Also women with DRAM may be more likely to have support related pelvic floor problem such stress urinary incontinence, fecal incontinence, or pelvic organ prolapse. The linea alba and rectus abdominis play an integral role in maintaining the anterior support of the trunk, these structures work together with pelvic girdle, posterior trunk muscles, and hips in maintaining stability when we shift weight (or transfer load) such as with standing, squatting, walking, carrying, and lifting. Therefore postural stability may be impaired with these daily tasks. Lastly, the abdominal muscles and fascia protect and support our organs so women with DRAM may have compromised support and protection of visceral structures.

Is DRAM common?

Pregnancy is the most common cause of DRAM and studies widely range from 50-100% of women experiencing DRAM at end stage pregnancy. Natural reduction and greatest recovery of DRAM usually occurs between day 1 and week 8 after delivery. Various ways exist to diagnose DRAM. The gold standard for diagnosis is computed tomography but is sometimes considered impractical due to expense. Clinically a separation of 2.0-2.7cm or “two finger widths” of horizontal separation at the umbilicus or 4.5cm above or below while performing a hooklying (supine with knees bent) abdominal curl up is considered pathological separation.

Sexual dysfunction is a common negative consequence of Multiple Sclerosis, and may be influenced by neurologic and physical changes, or by psychological changes associated with the disease progression. Because pelvic floor muscle health can contribute to sexual health, the relationship between the two has been the subject of research studies for patients with and without neurologic disease. Researchers in Brazil assessed the effects of treating sexual dysfunction with pelvic floor muscle training with or without electrical stimulation in women diagnosed with multiple sclerosis (MS.) Thirty women were allocated randomly into 3 treatment groups; 20 women completed the study. All participants were evaluated before and after treatment for pelvic floor muscle (PFM) function, PFM tone, flexibility of the vaginal opening, ability to relax the PFM’s, and with the Female Sexual Function Index (FSFI). Rehabilitation interventions included pelvic floor muscle training (PFMT) using surface electromyographic (EMG) biofeedback, neuromuscular electrostimulation (NMES), sham NMES, or transcutaneous tibial nerve stimulation (TTNS). The treatments offered to each group are shown below.

  sEMG biofeedback Sham NMES Intravaginal NMES TTNS
Group 1 (n=6) X X    
Group 2 (n=7) X   X  
Group 3 (n=7) X     X


The following factors made up the inclusion criteria for the study: age at least 18 years, diagnosis of relapsing-remitting MS, and a 4 month history of stable symptoms. All of the participants were sexually active and were found to be able to contract pelvic floor muscles correctly. Group 1 patients were treated with “sham” electrical stimulation using surface electrodes placed over the sacrum at a pulse width of 50 ms and a frequency of 2 Hz. Patients in Group 2 used an internal (vaginal) electrode at 200 ms at 10 Hz. Group 3 were given transcutaneous tibial nerve stimulation at 200 ms and 10 Hz. All groups followed these treatments with pelvic floor muscle exercises using a vaginal sensor and biofeedback.

As pelvic rehab practitioners, it is common for our patients to ask us dietary questions pertaining to their unique pelvic floor symptoms. We often counsel on fluid consumption, bladder irritants, and fiber intake. At times, we even give our patients a bladder or bowel diary to better monitor nutritional status and habits. However, how often do we ask about vitamin D status? It is common knowledge that vitamin D deficiency contributes to osteoporosis, fractures, and muscle pain and weakness, but what is the role of vitamin D in overall health of the female pelvic floor. Is vitamin D supplementation something we as health care providers need to at least discuss? An article published in the International Urogynecology Journal (Parker-Autry) explores this topic. This interesting paper reviews current knowledge regarding vitamin D nutritional status, the importance of vitamin D in muscle function, and how vitamin D deficiency may play a role in the function of the female pelvic floor.

How may vitamin D play a role in the function of the pelvic floor?

Vitamin D affects skeletal muscle strength and function, and insufficiency is associated with notable muscle weakness. Vitamin D has been shown to increase skeletal muscle efficiency at adequate levels. The levator ani muscles and coccygeus pelvic floor muscles are skeletal muscle that are crucial supporting structures to the pelvic floor. Pelvic floor musculature weakness can contribute to pelvic floor disorders such as urinary or fecal incontinence and pelvic organ prolapse. Pelvic floor muscle training for strengthening, endurance, and coordination, are first line treatment for both stress and urge urinary incontinence, fecal incontinence, pelvic organ prolapse, and overactive bladder syndrome. The pelvic floor muscles are thought to be affected by vitamin D nutrition status. Additionally, as women age, they are more prone to vitamin D deficiency and pelvic floor disorders.

This article reviews several studies, including small case and observational, that show an association between insufficient vitamin D and pelvic floor disorder symptoms and severity of symptoms. The recommendation from this review is that more studies of high quality evidence are needed to fully understand and demonstrate this relationship between vitamin D deficiency and pelvic floor disorders. However, the authors feel that vitamin D supplementation may be a helpful adjunct to treatment by helping to optimize our physiological response to pelvic floor muscle training and improving the overall quality of life for women suffering from pelvic floor disorders.

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