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1

Acute Effects of Hamstring Stretching on Sagittal Spinal Curvatures and Pelvic Tilt

100%

López-Miñarro P., Muyor J., Belmonte F., Alacid F.

Journal of Human Kinetics

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2012

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vol. 31

69-78

EN

The aim of this study was to determine acute effects of hamstring stretching in thoracic and lumbar spinal curvatures and pelvic tilt. Fifty-five adults (29.24 ± 7.41 years) were recruited for this study. Subjects performed a hamstring stretching protocol consisting of four exercises. The session consisted of 3 sets of each exercise and subjects held the position for 20 seconds with a 30-second rest period between sets and exercises . Thoracic and lumbar spinal angles and pelvic tilt were measured with a SpinalMouse in relaxed standing, sit-and-reach test and Macrae & Wright position. Hamstring extensibility was determined by active straight leg raise test and sit-and-reach score. All measures were performed before and immediately after the hamstring stretching protocol. Active straight leg raise angle and sit-and-reach score significantly improved immediately after the stretching protocol (p<0.001). Greater anterior pelvic tilt (p<0.001) and lumbar flexion (p<0.05) and a smaller thoracic kyphosis in the sit-and-reach (p<0.001) were found after the stretching protocol. However, stretching produced no significant change on spinal curvatures or pelvic tilt in standing and maximal trunk flexion with knees flexed. In conclusion, static stretching of the hamstring is associated to an immediate change in the sagittal spinal curvatures and pelvic position when performing trunk flexion with knees extended, so that allowing for greater lumbar flexion and anterior pelvic tilt and lower thoracic kyphosis. Hamstring stretching is recommended prior to sport activities involving trunk flexion with the knees straight.

2

Sagittal Spinal and Pelvic Postures of Highly-Trained Young Canoeists

86%

López-Miñarro P., Muyor J., Alacid F.

Journal of Human Kinetics

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2011

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vol. 29

41-48

EN

The objective of this study was to determine the sagittal spinal curvatures and pelvic position in standing and kneeling in the canoe in young canoeists. Forty-four young highly-trained canoeists (mean age: 15.11 ± 0.61 years) were recruited. Thoracic and lumbar curvatures and pelvic inclination were evaluated with a Spinal Mouse system in standing position and in the base position (kneeling on one knee in the canoe) and catch phase of the stroke. The mean thoracic kyphosis, lumbar lordosis and pelvic inclination in standing were 44.66 ± 8.80º, -30.34 ± 8.31º, and 14.20 ± 7.32º, respectively. In the canoe, the thoracic, lumbar and pelvic angles were 39.66 ± 9.52º, -24.32 ± 6.79º, and 15.18 ± 4.34º, respectively, for the base position (p<0.001 with respect to standing, except for pelvic inclination), and 28.93 ± 10.45º, -13.45 ± 10.60º, and 37.61 ± 6.27º, respectively, for the catch phase of the stroke (p<0.001 with respect to standing and base position). A higher percentage of hyperkyphotic postures in standing than in the canoe was found, while thoracic hypokyphosis increased in the catch phase of the stroke. In regards to the lumbar curve, the percentage of hypolordosis postures in the base position was higher than when standing. Lumbar kyphotic postures were detected in the catch phase of the stroke. In conclusion, the standing thoracic hyperkyphosis in young canoeists may be related to factors other than the posture and movement in the canoe. The canoeists adopted a lumbar flexed posture at the catch phase of the stroke, although this position may not affect the sagittal configuration of lumbar spine in standing. Postural training should be included in the training program of canoeists to improve the thoracic posture in the standing position.

3

Long-Term Results of Thoracic Sympathectomy for Primary Hyperhidrosis

86%

Stefaniak T. J., Ćwigoń M.

Polish Journal of Surgery

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2013

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vol. 85

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issue 5

247-252

EN

The side effects following thoracic sympathectomy for primary hyperhidrosis include pain and compensatory/ reflex sweating. The aim of the study was the evaluation of the results of the endoscopic sympathicotomy with clips with emphasis on the frequency of side effects following the operation. Material and methods. Two-hundred-eighty-three patients were qualified to thoracic T3-T4 sympathicotomy with clips. In all cases bilateral procedure in prone position with CO2 insufflation was performed. The subjective intensity of disease was evaluated by VAS scale (0 - no sweating; 10 - maximal possible sweating) while the recurrence of the sweating in primary localization, intensity and dynamics of compensatory and plantar sweating were evaluated post-operatively. Follow-up data were obtained during office visits 3, 12 and 36 months after surgery. The overall follow-up response was 74.6%. Results. There was no mortality. Perioperative morbidity included 6 cases of pneumothorax. The mean duration of surgery was 57 minutes bilaterally. The postoperative intercostal pain was present in all patients (100%) with mean duration of 21.88 days but in 72.6% of cases it did not demand any medication as early as 48 hours after surgery. Strong or very strong compensatory sweating was observed in 17.5% of cases 3 months after ETS, in 14.1% after 12 months and in 23.6% after 36 months. Conclusions. Thoracic sympathicotomy with clips is a safe treatment that provides satisfactory longterm results. The incidence of side-effects (intercostal pain, compensatory sweating) is high and does not change with time in most of the cases.

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1 Stefaniak T. J.

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Acute Effects of Hamstring Stretching on Sagittal Spinal Curvatures and Pelvic Tilt

Sagittal Spinal and Pelvic Postures of Highly-Trained Young Canoeists

Long-Term Results of Thoracic Sympathectomy for Primary Hyperhidrosis