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Biomedical subjects

J A Balogun

Publications and source records attributed to J A Balogun.

At least 19 recordsLinked to original sources

Physical and occupational therapy undergraduates' stereotypes of one another.

Literature suggests that increased interaction between physical therapy and occupational therapy students may improve their understanding of each other's profession. This cross-sectional study examined positive and negative stereotypes in an educational setting in which physical and occupational therapy students take over 25% of their curricular courses together. The aim of the study was to assess whether interaction between these students in and out of the classroom positively affected their views of each other, as compared with physical and occupational therapy students in previous studies who did not take classes together. Senior students, 25 physical therapy and 28 occupational therapy, completed two copies of the Health Team Stereotype Scale questionnaire exploring attitudes concerning their own chosen profession and the other participants' profession. They also completed an extracurricular activities survey to indicate how much they participated in activities outside of the classroom with students from the other profession. On the stereotype scale, physical therapy students' self-assessment compared with their assessment of occupational therapy students yielded 28 significantly (p<.05) different adjective pairs; occupational therapy students' self-assessment compared with their assessment of physical therapy students yielded 26 significantly (p<.05) different adjective pairs. The students rarely or never participated in extracurricular activities with each other. When comparing present results with those of previous studies, present subjects selected significantly fewer negative adjective pairs to describe the other profession. The results indicate a more positive view of each other's profession than in the previous studies. The interdisciplinary education model examined in our institution may have fostered positive attitudes among students in these programs.

Adult↗

The effect of professional education on the knowledge and attitudes of physical therapist and occupational therapist students about acquired immunodeficiency syndrome.

BACKGROUND AND PURPOSE: Anxiety and fear about caring for people with acquired immunodeficiency syndrome (AIDS) are concerns expressed by students in health care professions. This study was designed to evaluate the influence of education offered to physical therapist (PT) and occupational therapist (OT) students on their knowledge, attitudes, and willingness to provide services to people with AIDS. SUBJECTS AND METHODS: Twenty-six undergraduate PT students and 23 undergraduate OT students completed a questionnaire at the beginning of their professional education program, following a 5-hour AIDS education seminar, and shortly before their graduation. The questionnaire consisted of 3 subscales designed to evaluate the respondents' knowledge, attitudes, and willingness to treat people with AIDS. RESULTS: At the time of graduation, the students in both disciplines showed improvement in knowledge about AIDS (14.3% for PT students and 13.8% for OT students) and more positive attitudes toward people with AIDS (7.4% for PT students and 5% for OT students). In both disciplines, the students' willingness to provide services for people with AIDS remained unchanged following the AIDS education seminar and at the end of the professional education program. CONCLUSION AND DISCUSSION: The professional education offered to the cohort of students in this study appeared to be beneficial in improving their knowledge and attitudes toward people with AIDS, but it did not affect their willingness to work with this patient group.

Acquired Immunodeficiency Syndrome↗

The effects of acupuncture, electroneedling and transcutaneous electrical stimulation therapies on peripheral haemodynamic functioning.

For decades, acupuncture and electroneedling treatments have been used, predominately in the Eastern countries, in the management of patients with compromised cardiovascular and digestive functions. Similarly, neuromuscular electrical stimulation is commonly employed in Western countries to modulate pain, augment muscle strength and enhance blood flow in patients with peripheral vascular disease. Many rehabilitation specialists believe that electrical stimulation of acupuncture points with surface electrodes can elicit the same physiological and therapeutic effects as those produced by acupuncture and electroneedling techniques. Electrical stimulation of acupuncture points with surface electrodes is a relatively new and non-invasive treatment with potential clinical application in the management of patients with peripheral vascular disease. Presently, there are controversies in the literature as to the effects of traditional acupuncture, electroneedling and neuromuscular electrical stimulation treatments on peripheral haemodynamic functioning. This paper provides a detailed review of published studies on the above promising therapies. An attempt was made to clarify the pitfalls in the extant literature and delineate the fact from the fiction. Areas for further research were proposed.

Acupuncture Points↗

Effects of high-voltage galvanic stimulation of ST36 and ST37 acupuncture points on peripheral blood flow and skin temperature.

In traditional Chinese medicine, ST36 and ST37 acupuncture points are commonly recommended to enhance peripheral blood circulation and digestive functions; however, there is a paucity of empirical data in support of the above recommendations. This study was designed to evaluate the effects of transcutaneous electrical stimulation of ST36 and ST37 acupuncture points on peripheral haemodynamic functions. Eleven healthy subjects (five men, six women; mean age 28 years), voluntarily participated in the study. A 2 (pulse frequency) x 3(time-frame) experimental design was employed. The subjects' ST36 and ST37 acupuncture points were stimulated, at sensory threshold intensity, with the high-voltage galvanic (HVG) current using two (5 Hz and 120 Hz) different pulse frequencies. Skin temperature and haemodynamic functions (cutaneous blood flow, microvascular volume and erythrocyte velocity), between the first and second metatarsals of the subjects' dominant foot were monitored every 2 min, for 10 min at rest, during 20 min HVG stimulation treatment and 10 min post-stimulation. The results of the repeated-measures analysis of variance revealed no significant F-ratio for pulse frequency and time-frame main effects for any of the dependent variables. Based on our findings we conclude that percutaneously applied HVG stimulation of ST36 and ST37 acupuncture points does not increase peripheral haemodynamic functions in asymptomatic subjects.

Adult↗

Determinants of academic and clinical performance in the physiotherapy education programme at the University of Ibadan, Nigeria.

A retrospective study was conducted to determine the best predictors of academic and clinical performance in the physiotherapy education programme in the University of Ibadan, Nigeria. Reviewing the records of 94 students enrolled in the programme between 1983 and 1987, multiple and stepwise regression analyses revealed that pre-admission requirements were not significantly related to academic and clinical performance. When all the predictor variables were included in the multiple and stepwise regression analyses, the variance accounted for by the predictor variables was dismally low: 33.8% and 21.3% for academic achievement and clinical performance, respectively. We concluded that the pre-admission requirements are not viable predictors of academic and clinical performance in the programme.

Adolescent↗

Test-retest reliability of a psychometric instrument designed to measure physical therapy students' burnout.

The purpose of this study was to assess the reproducibility of scores on an instrument designed to measure physical therapy students' burnout. Physical therapy students (28 juniors and 28 seniors) completed an adapted educator's version of the Maslach Burnout Inventory on two occasions within a week interval. At each testing session, a separate score was obtained for each student for the three (emotional exhaustion, depersonalization, and personal accomplishment) subscales of the instrument. These scores, analyzed with a two-factor repeated-measures analysis of variance, indicated a significant difference in the personal accomplishment score between the junior and senior students during the two time frames. Scheffé post hoc tests showed that the junior students reported higher personal accomplishment affect at both testing sessions than the senior students. Both junior and senior students reported higher personal accomplishment at retest than at baseline testing. A test-retest reliability coefficient of .850 was obtained for the Depersonalization subscale; .907 and .715 were obtained for the Emotional Exhaustion and Personal Accomplishment subscales, respectively.

Adult↗

Anthropometric indices of male and female Nigerians of different age groups.

The body weight (W), height (H), Quetelet index W/H2), and Ponderosity index (W/H3) of 1,040 healthy (520 male and 520 female) volunteers (age ranged from 6-80 years) from various urban and rural communities in Oyo and Osun States, Nigeria were measured. We observed that the subjects body weight, height and Quetelet index increased with chronological age up until the third decade of life (20-29 years) when they peaked and gradually declined thereafter. The combined mean data for all ages revealed that males were significantly (p < 0.001) taller and heavier than the females. The Quetelet of index of the males were comparable (p > 0.05) to the females, but the Ponderosity index of the females were significantly (p < 0.001) higher than the males. The anthropometric normative data presented in this study will find useful application in bariatric practice in Nigeria. It will serve as a reference to which patients data in Oyo and Osun States can be compared.

Adolescent↗

High voltage electrical stimulation in the augmentation of muscle strength: effects of pulse frequency.

This study was designed to determine the effects of pulse frequency (20pps, 45pps, 80pps) on subjects' voltage tolerance, delayed muscle soreness, and muscle strength gained following 6 weeks of electrical stimulation. Thirty healthy men (mean age = 22 years) were randomly assigned to three groups. Subjects in group 1 (n = 10), group 2 (n = 10), and group 3 (n = 10) had their right quadriceps femoris muscles electrically stimulated with a high-voltage pulsed galvanic stimulator present at pulse frequencies of 20pps, 45pps, and 80pps, respectively. The left limb of each subject served as the control. For all the groups, the duty cycle of the stimulator was set at 10 seconds on and 50 seconds off during the stimulation. At each training session, the maximal tolerable voltage for each subject was monitored. Ten maximum contractions was allowed at each training session. Muscle soreness perception was evaluated 48 hours after stimulation using a 10-point visual analog scale. Electrical stimulation was administered three times a week for 6 weeks. For each subject, the average voltage output and muscle soreness rating were computed at the end of each week. With a cable tensiometer, the knee extension isometric force of both limbs was evaluated before training and at the end of the second, fourth, and sixth weeks of the study and 3 weeks after training. Repeated measure's analysis of variance was used to determine significant differences in the dependent variables. The results showed that the maximum voltage tolerance, muscle soreness ratings, and muscle strength gained by the three groups are not significantly (p > .05) different.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

Blood pressure changes during pregnancy in Nigerian women.

The purpose of this longitudinal study was to determine the pattern of blood pressure during pregnancy in Nigerian women. The blood pressure of 189 women from early pregnancy and up to term, during labor and 24 h after delivery were monitored. The mean systolic, diastolic and mean arterial blood pressure were computed and the blood pressure readings were correlated with parity and selected anthropometric and socioeconomic variables. The results showed a decline in blood pressure levels during the mid-trimester of pregnancy with a progressive increase towards term. The highest blood pressures were recorded during the third stage of labor. The mean (+/- 2 SD) of blood pressure was 130/80 mmHg. There was no significant correlation of blood pressure with parity but there was a significant positive correlation with maternal age and Quetelex index after 30 weeks of gestation. As compared to Caucasian women, Nigerian women showed higher levels of diastolic blood pressures. We conclude that: (1) the higher incidence of gestational hypertension in African women may be due to higher levels of resting baseline blood pressures in the women, and (2) pregnant women in our population with persistent elevation of blood pressures above 130/80 mmHg should be closely monitored.

Adolescent↗

An appraisal of body image among Nigerian university students.

This study was designed to provide baseline data on the attitudes of Nigerian university students toward their own bodies. 286 students completed the 25-item version of the Body Cathexis Scale of Berscheid, et al. These students were more satisfied than they were dissatisfied with their body parts. The body weight and general muscle development were aspects with which they were most dissatisfied. Compared to men, women were significantly more satisfied with their ears, body weight, general muscle development, chest/breast, size of sex organs, and appearance of sex organs. These baseline data may help screen Nigerian university students with negative body ideation.

Adolescent↗

Spinal mobility and muscular strength: effects of supine- and prone-lying back extension exercise training.

This study compared the effectiveness of supine-lying back extension (SBE) exercise and prone-lying back extension (PBE) exercise on spinal mobility and muscular strength. A 3 (groups) x 4 (time frames) experimental design was used. Thirty-four healthy men (mean age, 23.1 +/- 2.1 years) were randomly assigned to three groups. Subjects in group 1 (n = 11) were trained using the SBE protocol, whereas those assigned to group 2 (n = 12) performed the PBE program. Subjects in group 3 (n = 11) received no exercise training and served as controls. The exercise programs were standardized and administered three times a week for 6 weeks. The spinal range of motion (ROM) and back extension isometric force of all the subjects was evaluated before training, at the end of the third and sixth weeks of the study, and 9 weeks after the end of the exercise training. A two-factor (group and time frame), repeated-measures ANOVA was used to determine significant differences in spinal ROM and back extension isometric force among the groups at the different time frames. The results of the statistical analyses showed progressive increases (p less than .05) in spinal ROM and isometric force after the exercise training; they had increased by 12.6% and 19.2%, respectively, at the end of the sixth week of training. The gain in spinal mobility was completely obliterated nine weeks posttraining. However, the improvement in muscular strength was sustained 9 weeks after the end of physical training. The SBE method was better for improving the spinal ROM, whereas the PBE method was more effective in augmenting muscular strength of the back.

Adult↗

Pattern of road traffic accident cases in a Nigerian university teaching hospital between 1987 and 1990.

This retrospective study was undertaken to obtain recent information on the pattern of road traffic accidents (RTA) and the associated disabilities in Nigeria. We reviewed the medical records of RTA related cases recorded between 1987 and 1990 at Obafemi Awolowo University Teaching Hospital, Ile-Ife. Over the 4-year period, 2667 cases of RTA were recorded and this constitutes 5.3% of the total medical and surgical emergencies seen at the hospital. Furthermore, RTA cases accounted for 8.1% (range = 1.3-29.30%) of the total medical and surgical emergency deaths. Only 353 (13.2%) of the total number of RTA cases required hospitalization. About 12.7% of the patients spent less than 2 days in the hospital while 24.6% of the patients were hospitalized for more than 2 months. The 20-40 years age group recorded the highest incidence of RTA requiring hospitalization and males were twice as prone to RTA as females. Pedestrian casualties accounted for 28.3% of the RTA cases. The majority (67.4%) of the hospitalized RTA patients sustained a fracture and 12.2% died during admission. Our findings if extrapolated to all the hospitals in Nigeria confirm the speculation that RTA is one of the leading causes of death in Nigeria.

Accidents, Traffic↗

Symptom-limited, self-paced walking in the assessment of cardiovascular disease in patients with and without heart failure: the predictive value of clinical, anthropometric, echocardiographic and ergonometric parameters.

The assessment of functional capacity in heart disease remains problematic, and it is unclear whether maximal exercise testing is physiologically reflective of the activities of daily living or the quality of life. We therefore employed a symptom-limited, self-paced walking protocol to assess the physical conditions of 41 Nigerian cardiac patients, with and without heart failure. The walking time, walking speed and distance as well as the energy expenditure (Kcal.min-1) were markedly reduced (P less than 0.001) in patients with heart failure (n = 26) compared to the cardiac patients not in failure (n = 15). The double product corrected for exercise time (an index of myocardial oxygen use) was, however, significantly higher (P less than 0.001) in the group with heart failure. Using multiple regression analysis, the parameters of self-paced walking capacity (distance, walking time, and speed) could reliably be predicted (r2 greater than 0.9) from age, body surface area, energy expenditure, and echocardiographic left ventricular dimension in the patients without heart failure. The presence of heart failure appeared to weaken the predictability of the regressions. A significant correlation was obtained between the self paced exercise time and the Bruce protocol treadmill time (r2 = 0.91, P = 0.004) in a subgroup of the patients with heart failure. Thus, the self-paced walking test is sensitive to changes in congestive heart failure and the exercise capacity can be predicted from age and biophysical parameters. The wider clinical usage of this modality, especially in frail patients, is hereby recommended.

Adult↗

Isometric back strength of low back pain patients and healthy controls.

The primary objective of this study was to determine the back strength of low back pain patients and to compare their values with healthy control subjects. Using the back and leg dynamometer, we measured the isometric back strength of 21 patients (14 men and 7 women), with chronic low back pain and 21 (14 men and 7 women) healthy (control) subjects. Both groups are comparable (p greater than 0.05) in age, body weight, height and Quetelet index (weight/height2). The back strength of the low back pain patients is not significantly (p greater than 0.05) different from their sex, age and anthropometric matched healthy controls. However, the males in the study were stronger (p less than 0.01) than their female counterparts. Based on our findings, we conclude that weakness of the paraspinal extension muscles is not the likely primary cause of idiopathic low back pain.

Adult↗

Effects of ramp time on sensory, motor and tolerance thresholds during exogenous electrical stimulation.

This investigation examined the effects of ramp time on the current intensity needed to elicit sensory, motor and pain tolerance response. Forty-seven healthy subjects were randomly divided into three groups. Subjects in group one (no. 17), group two (no. 15), and group three (no. 15) had the onset (ramp time) knob present at 1.0, 3.5 and 5.0 seconds, respectively. Subsequently, the wrist and finger flexors of the dominant hand were stimulated following standardized instructions. For each subject, the current intensity needed to elicit: (1) the sensory response, (2) minimum perceptible contraction, and (3) the maximum tolerance level of painful stimulation was determined. Significant F ratio was found for the current intensity at different perceptual level (p less than 0.5) but not for ramp time (p greater than .05). The findings suggest that with the stimulator used in this study, ramp time has no effect on the three basic excitatory responses, i.e., thresholds of sensory, motor and painful stimulation.

Adolescent↗

Grip strength: effects of testing posture and elbow position.

This study was designed to determine the effect of testing posture and elbow position on grip strength. A hand dynamometer was used to measure the grip strength of 61 subjects (26 female and 35 male) in four positions: (1) sitting with elbow in 90 degree flexion, (2) sitting with elbow in full extension, (3) standing with elbow in 90 degree flexion, and (4) standing with elbow in full extension. The four experimental conditions were randomized, and standardized instructions were followed. A two-factor (gender and treatment) repeated measures ANOVA was used to determine any significant difference in grip strength between the sexes and the experimental (treatment) conditions. The result of the ANOVA revealed a significant F-ratio for gender and treatment main effects. Scheffé post hoc analysis revealed that males had higher (p less than .01) grip strength than females at all the testing postures and elbow joint angles, and that there was a significant (p less than .05) difference between the grip strength measured in subjects sitting with the elbow in 90 degree flexion and standing with the elbow in full extension. The findings suggest the need for clinicians to maintain standard testing conditions while measuring grip strength.

Adolescent↗

Influence of parental socioeconomic status on casual blood pressures of Nigerian school children.

The purpose of this study was to determine the effect of parental socioeconomic status on blood pressures of Nigerian school children. The weight, height, blood pressure and heart rate of 807 school children in Ile-Ife, Nigeria were measured. The subjects' ages ranged between 8 and 20 years. The subjects were classified into three (lower, middle and upper) groups based on the socioeconomic status of their parents. The findings revealed that parental socioeconomic status has no effect on the systolic and diastolic pressure, heart rate, rate pressure product and pulse pressure of Nigerian children. We found the 95th centile blood pressure to be 133/92 mm Hg. If the 95th centile is considered the diagnostic criteria for hypertension, then Nigerian children with sustained blood pressure in excess of 133/92 mm Hg should be investigated.

Adolescent↗