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BMC Veterinary Research Aug 2023Morphometric study of the bony elements of the appendicular skeleton in the ostrich was fully described and identified. The appendicular skeleton included the bones of...
BACKGROUND
Morphometric study of the bony elements of the appendicular skeleton in the ostrich was fully described and identified. The appendicular skeleton included the bones of the pectoral girdle, the wing, the pelvic girdle and the pelvic limb.
RESULTS
The shoulder girdle of the ostrich included the scapula and coracoid bones. The scapula appeared as a flattened spoon-like structure. The coracoid bone appeared quadrilateral in outline. The mean length of the scapula and coracoid (sternal wing) were 15.00 ± 0.23 and 10.00 ± 0.17 cm, respectively. The wing included the humerus, ulna, radius, radial carpal bone, ulnar carpal bone, carpometacarpus and phalanges of three digits. The mean length of the humerus, radius, and ulna were 33.00 ± 0.46, 10.50 ± 0.40 and 11.50 ± 0.29 cm respectively. The carpometacarpus was formed by the fusion of the distal row of carpal bones and three metacarpal bones. Digits of the wing were three in number; the alular, major and minor digits. Os coxae comprised the ilium, ischium and pubis. Their mean lengths were 36.00 ± 0.82 cm, 32.00 ± 0.20 and 55.00 ± 0.2.9 cm, respectively. The femur was a stout short bone, that appeared shorter than the tibiotarsus. The mean length of the femur, tibiotarsus, and tarsometatarsus were 30.00 ± 0.23, 52.00 ± 0.50 and 46.00 ± 0.28 cm. Tibiotarsus was the longest bone in the pelvic limb. The fibula was a long bone (44.00 ± 0.41 cm) lying along the lateral surface of the tibiotarsus. The tarsometatarsus was a strong long bone formed by the fusion of the metatarsal (II, III, IV) and the distal row of tarsal bones. It was worth mentioning that metatarsal II was externally absent in adults.
CONCLUSIONS
In the appendicular skeleton of ostrich, there were special characteristic features that were detected in our study; the clavicle was absent, the coracoid bone was composed of a sternal wing and scapular wing, the ulna was slightly longer in length than the radius. The coupled patellae i.e., the proximal and distal patella were observed; and the ostrich pedal digits were only two; viz., the third (III) and fourth (IV) digits.
Topics: Animals; Struthioniformes; Scapula; Metatarsal Bones; Femur; Humerus
PubMed: 37542302
DOI: 10.1186/s12917-023-03665-6 -
Journal of Morphology Jan 2024Pelvic fins are a characteristic structure of the vertebrate Bauplan. Yet, pelvic fin loss has occurred repeatedly across a wide diversity of other lineages of...
Pelvic fins are a characteristic structure of the vertebrate Bauplan. Yet, pelvic fin loss has occurred repeatedly across a wide diversity of other lineages of tetrapods and at least 48 times in teleost fishes. This pelvic finless condition is often associated with other morphological features such as body elongation, loss of additional structures, and bilateral asymmetry. However, despite the remarkable diversity in the several thousand cichlid fish species, none of them are characterized by the complete absence of pelvic fins. Here, we examined the musculoskeletal structure and associated bilateral asymmetry in Midas cichlids (Amphilophus cf. citrinellus) that lost their pelvic fins spontaneously in the laboratory. Due to this apparent mutational loss of the pelvic girdle and fins, the external and internal anatomy are described in a series of "normal" Midas individuals and their pelvic finless sibling tankmates. First, other traits associated with teleost pelvic fin loss, the genetic basis of pelvic fin loss, and the potential for pleiotropic effects of these genes on other traits in teleosts were all reviewed. Using these traits as a guide, we investigated whether other morphological differences were associated with the pelvic girdle/fin loss. The mean values of the masses of muscle of the pectoral fin, fin ray numbers in the unpaired fins, and oral jaw tooth numbers did not differ between the two pelvic fin morphotypes. However, significant differences in meristic values of the paired traits assessed were observed for the same side of the body between morphotypes. Notably, bilateral asymmetry was found exclusively for the posterior lateral line scales. Finally, we found limited evidence of pleiotropic effects, such as lateral line scale numbers and fluctuating asymmetry between the Midas pelvic fin morphotypes. The fast and relatively isolated changes in the Midas cichlids suggest minor but interesting pleiotropic effects could accompany loss of cichlid pelvic fins.
Topics: Animals; Cichlids; Animal Fins; Muscles; Phenotype
PubMed: 38100744
DOI: 10.1002/jmor.21663 -
Arquivos de Neuro-psiquiatria Oct 2023Limb-girdle muscular dystrophy (LGMD) is a group of myopathies that lead to progressive muscle weakness, predominantly involving the shoulder and pelvic girdles; it has... (Review)
Review
Limb-girdle muscular dystrophy (LGMD) is a group of myopathies that lead to progressive muscle weakness, predominantly involving the shoulder and pelvic girdles; it has a heterogeneous genetic etiology, with variation in the prevalence of subtypes according to the ethnic backgrounds and geographic origins of the populations. The aim of the present study was to analyze a series of patients with autosomal recessive LGMD (LGMD-R) to contribute to a better characterization of the disease and to find the relative proportion of the different subtypes in a Southern Brazil cohort. The sample population consisted of 36 patients with LGMD-R. A 9-gene targeted next-generation sequencing panel revealed variants in 23 patients with LGMD (64%), and it identified calpainopathy (LGMD-R1) in 26%, dysferlinopathy (LGMD-R2) in 26%, sarcoglycanopathies (LGMD-R3-R5) in 13%, telethoninopathy (LGMD-R7) in 18%, dystroglicanopathy (LGMD-R9) in 13%, and anoctaminopathy (LGMD-R12) in 4% of the patients. In these 23 patients with LGMD, there were 27 different disease-related variants in the , , , , , , , and genes. There were different causal variants in different exons of these genes, except for the gene, for which all patients carried the p.Gln53* variant, and the gene, which showed recurrence of the p.Leu276Ile variant. We analyzed the phenotypic, genotypic and muscle immunohistochemical features of this Southern Brazilian cohort.
Topics: Humans; Anoctamins; Brazil; Muscle Weakness; Muscular Dystrophies, Limb-Girdle; Pentosyltransferases
PubMed: 37852290
DOI: 10.1055/s-0043-1772833 -
Heliyon Aug 2023Pregnancy-related low back pain (PLBP) is a common musculoskeletal disorder, affecting people's physical and psychological health. Acupuncture is widely used in clinical...
BACKGROUND
Pregnancy-related low back pain (PLBP) is a common musculoskeletal disorder, affecting people's physical and psychological health. Acupuncture is widely used in clinical practice as a treatment for PLBP. This study aimed to evaluate the efficacy and safety of acupuncture or acupuncture combined with other treatments for PLBP patients.
METHODS
The Cochrane Library, PubMed, EMBASE, Web of Science, the Chinese Biological Medicine Database, China National Knowledge Infrastructure, WanFang Database, and VIP information database were searched from inception to January 31, 2022. Randomized controlled trials (RCTs) were eligible, without blinding and language restriction. Cochrane's risk of bias tool was used to assess the methodological quality. Meta-analysis was performed using RevMan 5.3.
RESULTS
Twelve randomized controlled trials involving 1302 patients were included. The results showed that compared to the control group, the VAS score was significantly decreased after acupuncture treatment. In addition, no significant difference was found in the preterm delivery rate (RR = 0.38, 95%CI: 0.24 to 0.61, P = 0.97) after acupuncture treatment. Compared with other therapies, acupuncture or acupuncture plus other therapies revealed a significant increase in the effective rate (OR: 6.92, 95%CI: 2.44 to 19.67, I = 0%). No serious adverse events owing to acupuncture were reported.
CONCLUSION
Acupuncture or acupuncture combined with other interventions was a safe and effective therapy for treating PLBP. However, the methodological quality of the RCTs was low. More rigorous and well-designed trials should be conducted.
PubMed: 37593601
DOI: 10.1016/j.heliyon.2023.e18439 -
Acta Obstetricia Et Gynecologica... Oct 2023Pain during pregnancy affects women's well-being, causes worry and is a risk factor for the child and the mother during labor. The aim was to investigate the relative...
INTRODUCTION
Pain during pregnancy affects women's well-being, causes worry and is a risk factor for the child and the mother during labor. The aim was to investigate the relative importance of an extensive set of pregnancy-related physiological symptoms and psychosocial factors assessed in the first trimester compared with the occurrence of pregnancy-related pain symptoms later in the pregnancy.
MATERIAL AND METHODS
Included were all women who booked an appointment for a first prenatal visit in one of 125 randomly selected general practitioner practices in Eastern Denmark from April 2015 to August 2016. These women answered an electronic questionnaire containing questions on the occurrence of five pregnancy-related pain symptoms: back pain, leg cramps, pelvic cavity pain, pelvic girdle pain and uterine contractions. The questionnaire also included sociodemographic questions and questions on chronic diseases, physical symptoms, mental health symptoms, lifestyle and reproductive background. The questionnaire was repeated in each trimester. The relative importance of this set of factors from the first trimester on the five pregnancy-related pain symptoms compared with the second and third trimesters was assessed in a dominance analysis.
RESULTS
A total of 1491 women were included. The most important factor for pregnancy-related pain in the second trimester and third trimester is the presence of the corresponding pain in the first trimester. Parity was associated with pelvic cavity pain and uterine contractions in the following pregnancies. For back pain and pelvic cavity pain, the odds increased as the women's estimated low self-assessed fitness decreased and had low WHO-5 wellbeing scores.
CONCLUSIONS
When including physical risk factors, sociodemographic factors, psychological factors and clinical risk factors, women's experiences of pregnancy-related pain in the first trimester are the most important predictors for pain later in pregnancy. Beyond the expected positive effects of pregnancy-related pain, notably self-assessed fitness, age and parity were predictive for pain later in pregnancy.
Topics: Pregnancy; Child; Female; Humans; Pregnancy Trimester, Third; Pregnancy Complications; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pelvic Pain
PubMed: 37771202
DOI: 10.1111/aogs.14670 -
Gait & Posture Mar 2024Perinatal running participation has increased recently; however, pregnancy related symptoms can limit activity. Perinatal running biomechanics could inform interventions...
BACKGROUND
Perinatal running participation has increased recently; however, pregnancy related symptoms can limit activity. Perinatal running biomechanics could inform interventions to help perinatal individuals maintain an active lifestyle.
RESEARCH QUESTION
Are perinatal running biomaechanics and muscle activation different compared to nulligravida females?
METHODS
Sixteen pregnant participants completed self-selected velocity running during second trimester (2 T), third trimester (3 T), and postpartum (PP) and 16 matched controls completed these procedures once in this case control study. Kinematic, kinetic, and electromyography (EMG) data were collected using a motion capture system, force plates, and EMG electrodes. Peak trunk, pelvis, hip, knee, and ankle kinematics and hip, knee, and ankle moments during stance phase, and average and peak erector spinae (ES), gluteus maximus (GMax), and gluteus medius (GMed) EMG amplitude and duration of activation during stance and swing phases were calculated. Independent t-tests were used to compare 2 T, 3 T, and PP to control participants (α < 0.05).
RESULTS
Running velocity was slower during 3 T compared to control participants. At all pregnancy timepoints compared to the control group, peak trunk contralateral rotation was smaller. During 2 T and 3 T peak hip flexor moments were smaller. At 3 T pelvis contralateral rotation was smaller, ES average amplitude was greater during swing, GMax percent duration during stance and GMed percent duration during swing were smaller. At PP trunk flexion was smaller and knee abduction was greater (all p < 0.05).
CONCLUSIONS
Decreased running velocity may help offset increased demand during pregnancy. During 3 T, greater ES activation, smaller trunk and pelvis motion, and altered gluteal activation could indicate trunk rigidity combined with modified hip stabilizer muscle utilization. During PP, the rigid trunk combined with greater knee abduction may indicate hip and trunk strength deficits. Altered trunk and hip motion and activation could be relevant to pathologies such as perinatal low back, pelvic girdle, or knee pain.
Topics: Humans; Female; Pregnancy; Hip Joint; Biomechanical Phenomena; Case-Control Studies; Muscle, Skeletal; Electromyography; Running; Buttocks
PubMed: 38377744
DOI: 10.1016/j.gaitpost.2024.02.004 -
Midwifery Feb 2024Pregnancy-related pelvic girdle pain (PPGP) is common and considered a multifactorial condition with biomechanical and psychosocial contributions. The patient's...
Exploring health and illness perceptions to identify the perceived cause of pregnancy-related pelvic girdle pain. A mixed-methods study among primiparous women in The Netherlands.
BACKGROUND
Pregnancy-related pelvic girdle pain (PPGP) is common and considered a multifactorial condition with biomechanical and psychosocial contributions. The patient's perceived cause is an important aspect of illness perceptions, and a strong predictor of self-management and healthcare utilization. It is unknown what causal beliefs primiparae hold regarding PPGP.
OBJECTIVE
To explore and describe health and illness perceptions among primiparae towards PPGP and its cause.
DESIGN
Exploratory, convergent parallel mixed-methods.
SETTING
At the participants' homes.
PARTICIPANTS
Sixteen primiparae with and without PPGP.
FINDINGS
Primiparae with and without PPGP held comparable causal beliefs about PPGP. PPGP was described as the result of hormonal softening and loosening of the pelvis, and failure of the muscular system to compensate for that. Women who experienced similar physical symptoms attributed them differently, leading to different coping strategies. Interestingly, maternal healthcare providers reinforced the unidimensional- and predominantly biomechanical view when women sought healthcare.
CONCLUSION
The causal mechanism of PPGP held by the women was not determined by their lived experience. It was primarily based on the concept of inevitable hormonal softening of the pelvis. This biomechanical belief is based on theories that are not in line with current knowledge of PPGP and contemporary pain science, yet they were reinforced by maternity healthcare providers.
IMPLICATIONS FOR PRACTICE
Healthcare seeking behavior is influenced by illness beliefs. Maternity healthcare providers may play a key role in providing reassurance and addressing the multifactorial nature of PPGP when providing care and support to pregnant women.
Topics: Pregnancy; Female; Humans; Pelvic Girdle Pain; Netherlands; Pregnant Women; Parity; Pregnancy Complications
PubMed: 38043479
DOI: 10.1016/j.midw.2023.103892 -
International Journal of Therapeutic... Dec 2023Pelvic girdle pain is a common problem experienced during pregnancy, with high incidence rates and significant impacts on quality of life. Remedial massage might be able...
INTRODUCTION
Pelvic girdle pain is a common problem experienced during pregnancy, with high incidence rates and significant impacts on quality of life. Remedial massage might be able to provide some reduction in pain.
AIM
This study aimed to investigate the feasibility of conducting a randomised controlled trial on the effectiveness of massage in treating pregnant women with pelvic girdle pain to determine its merits and viability for use in a large-scale study.
METHODS
A two-arm pilot randomised feasibility crossover-controlled trial. The two treatment phases were a) remedial pregnancy massage, and b) exercise.
RESULTS
Twenty-four women started the study and 19 women completed the study. Data were collected on recruitment and retention rates, crossover study design methodology, participant sub-characteristics, and acceptability of the outcome measures (pain, quality of life, and disability).
CONCLUSION
Recruiting participants for a pregnancy-related pelvic girdle pain study is indeed feasible; however, a crossover study design is not appropriate and future studies should consider a mixed methods study design.
PubMed: 38046054
DOI: 10.3822/ijtmb.v16i4.877 -
Acta Obstetricia Et Gynecologica... Oct 2023Pelvic girdle pain in pregnancy is a major public health concern. For too many women, the pain condition causes disability and sick leave, has a negative impact on daily...
INTRODUCTION
Pelvic girdle pain in pregnancy is a major public health concern. For too many women, the pain condition causes disability and sick leave, has a negative impact on daily life, and breeds doubt in their view as mother, partner, and worker. The pathophysiology is unknown and causal treatment is lacking. Depression in pregnancy is common, undertreated, and previously associated with pelvic girdle pain with unclear causal direction.
MATERIAL AND METHODS
A prospective inception cohort study of 356 Swedish women examined them in early and late pregnancy. Women with a positive Posterior Pelvic Pain Provocation test in early pregnancy were not included. The exposure, depressive symptoms in early pregnancy, was self-reported on the Hospital Anxiety and Depression Scale, depression part (0-21). Outcome measure in late pregnancy was a graded score on the Posterior Pelvic Pain Provocation test (0-8). Covariates for statistical adjustment were identified in a directed acyclic graph. Linear robust and logistic regression were used in the statistical analyses.
RESULTS
In early pregnancy, the 248 women with negative Posterior Pelvic Pain Provocation test had a mean score of 2.35 (± 2.3 standard deviation) on the Hospital Anxiety and Depression Scale, depression part. In a fully adjusted, multiple robust regression model a positive association was shown between Hospital Anxiety and Depression Scale score, depression part, and the Posterior Pelvic Pain Provocation test score in late pregnancy with an estimated effect of β = 0.32 (95% confidence interval [CI] 0.16-0.48, p < 0.001). Dichotomization of exposure (Hospital Anxiety and Depression Scale, depression part <8/≥8) and outcome (Posterior Pelvic Pain Provocation test score 0/>0) rendered adjusted odds ratio 1.71 (95% CI 0.38-7.7) and numbers needed to treat adjusted odds ratio 5.54 (95% CI -3.4-14.5).
CONCLUSIONS
Depressive symptoms in early pregnancy were associated with the development and intensity of pelvic girdle pain in late pregnancy. Considering the small sample size, screening and treatment for depressive symptoms in early pregnancy may enable a way to reduce and prevent disabling pelvic girdle pain in late pregnancy. Trials are needed to confirm the results.
Topics: Pregnancy; Female; Humans; Pelvic Girdle Pain; Cohort Studies; Depression; Prospective Studies; Pelvic Pain; Pregnancy Complications
PubMed: 36965059
DOI: 10.1111/aogs.14562