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Muscle torques of lower leg rotators in untrained subjects

100%
Hrycyna M., Zieliński J.
Biomedical Human Kinetics
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2011
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vol. 3
78-81
EN
Study aim: To determine the relationships between muscle torques of lower leg rotators and rotation angle, and angular position at the knee joint.Material and methods: A group of 171 untrained male subjects aged 19 - 25 years were studied. A specially designed measuring set was used. Muscle torques were determined at -30, 0 and 45° of lower leg rotation, angular positions at the knee joint being 30 or 90°.Results: Rotation angle and angular position at the knee joint, as well as the declared laterality, significantly affected muscle torques of lower leg rotators. Highest muscle torques amounted to 55.2 ± 5.6 Nm (lower leg pronation) and 42.6 ± 7.4 Nm (lower leg supination).Conclusions: The results may contribute to a deeper evaluation of human locomotor apparatus and to reduce the destructive forces acting on the knee joint in athletes and to improve monitoring the functions of reconstructed knee joint in rehabilitees.
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Evaluation of Torque of the Shank Rotating Muscles and the Range of Active Internal and External Rotation of the Knee Joint in Patients Awaiting ACL Reconstruction

81%
Popieluch M., Zieliński J., Jędrysik M.
Human Movement
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2009
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vol. 10
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issue 2
158-162
EN
Purpose. The aim of the study was threefold: to determine the active rotation range of a healthy and post-traumatic knee joint; to evaluate the torque of muscles responsible for internal and external rotation of a healthy and post-traumatic knee joint; and to determine differences between a healthy knee joint and knee joint with the ruptured anterior cruciate ligament (ACL). Differences between active axial rotation and muscular strength of rotators in the healthy and post-traumatic knee joints of 40 hospitalized patients were examined. Basic procedures. The static torque evaluation of the shank rotating muscles included 40 patients of the Endoscopic Surgery Clinic in Żory, with the ruptured ACL of the right knee, qualified for surgery (ACL reconstruction). On the basis of a medical interview, the ACL ruptures were found to have occurred during football games. Main findings. ACL damage leads to an increased rotation range, with a subsequent decrease of the rotators' strength and increased joint instability. The patients examined showed a substantial level of thigh quadriceps atrophy - a typical symptom associated with an ACL rupture. Our findings indicate that the internal and external rotators in intact knees were stronger than the rotators in post-traumatic knees (p < 0.05). Conclusions. The analysis of the torque of the shank rotating muscles at two knee joint flexion angles was an attempt to proceed with a laboratory diagnosis of the condition of the motor system in 40 patients following severe trauma (such as the ACL rupture of the right knee) prior to surgical intervention, and, in a longer perspective, after treatment completion. The results obtained will supposedly be useful as indicators for future rehabilitation pathways, and of the condition of the motor system following treatment completion.
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A One-Year Follow-Up of the Quality of Life After Stapled Hemorrhoidopexy

81%
Czarzasty W., Kruszewski W., Zieliński J., Niżnik M.
Polish Journal of Surgery
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2011
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vol. 83
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issue 4
204-211
EN
Articles presenting treatment outcomes of stapled hemorrhoidopexy are rarely based on detailed analyses of the quality of life.The aim of the study was the assessment of changes within one year of treatment in the quality of life of patients who underwent stapled hemorrhoidopexy using QLQ-C30 form (version 3).Material and methods. 120 patients with grade III and IV internal hemorrhoidal disease treated with stapled hemorrhoidopexy were enrolled in the study. They answered questions from QLQ-C30 form and were subjected to examination a day before surgery and 1 day, 7 days, 4 weeks, 6 and 12 months after surgery. Assessment included operation site inspection, pain intensity measurement in VAS scale and parameters incorporated in QLQ-C30 form evaluation.Results. The overall quality of life decreased immediately after surgery (a day after 50% vs. 60% before surgery), but rapidly improved in one week and in one month periods (60% and 80% consecutively) reaching a plateau one month after surgery. Early complications occurred in 6 patients (5%). Recurrence of the disease was not observed. Bleeding from anastomosis site and severe pain in anal area immediately post surgery as a result of improper purse-string suture placement were the main complications.Conclusions. In patients with grade III or IV hemorrhoidal disease, stapled hemorrhoidopexy ensures a rapid improvement in the quality of life after surgery to the level experienced prior to the operation. 7-day convalescence period is sufficient. After one month, the overall quality of life improves significantly and reaches a plateau.
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