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lower limb strength

Marie E Boo, J Craig Garrison, Joseph P Hannon, Kalyssa M Creed, Shiho Goto, Angellyn N Grondin, James M Bothwell
Background: Female patients are more likely to suffer a second anterior cruciate ligament (ACL) injury after ACL reconstruction (ACLR) and return to sport (RTS) compared with healthy female controls. Few studies have examined the energy absorption contribution (EAC) that could lead to this subsequent injury. Hypothesis: The ACLR group would demonstrate an altered EAC between joints (hip, knee, and ankle) but no difference in quadriceps, hip abduction, or hip external rotation (ER) strength at the time of RTS...
March 2018: Orthopaedic Journal of Sports Medicine
Olaf Prieske, Tom Krüger, Markus Aehle, Erik Bauer, Urs Granacher
Power training programs have proved to be effective in improving components of physical fitness such as speed. According to the concept of training specificity, it was postulated that exercises must attempt to closely mimic the demands of the respective activity. When transferring this idea to speed development, the purpose of the present study was to examine the effects of resisted sprint (RST) vs. traditional power training (TPT) on physical fitness in healthy young adults. Thirty-five healthy, physically active adults were randomly assigned to a RST ( n = 10, 23 ± 3 years), a TPT ( n = 9, 23 ± 3 years), or a passive control group ( n = 16, 23 ± 2 years)...
2018: Frontiers in Physiology
Nicola C Casartelli, Nicola A Maffiuletti, Romana Brunner, Marcel Büchi, Reto Sutter, Christian W Pfirrmann, Florian D Naal, Michael Leunig, Mario Bizzini
Study Design Cross-sectional study. Background Visual rating of movement pattern in patients with femoroacetabular impingement (FAI) syndrome is of interest because poor control of dynamic hip motion is frequently noted. Objectives To evaluate intra- and inter-rater agreement among physical therapists with different clinical experience, in performing visual rating of movement pattern quality of patients with FAI syndrome using a semiquantitative scale. Methods A video camera was used to record the performance of 34 patients with FAI syndrome performing single-limb standing, squat, frontal lunge, hop lunge, bridge and plank...
March 16, 2018: Journal of Orthopaedic and Sports Physical Therapy
Da Li, Yu-Ming Jiao, Liang Wang, Fu-Xin Lin, Jun Wu, Xian-Zeng Tong, Shuo Wang, Yong Cao
OBJECTIVE Surgical management of brainstem lesions is challenging due to the highly compact, eloquent anatomy of the brainstem. This study aimed to evaluate the safety and efficacy of preoperative diffusion tensor imaging (DTI) and diffusion tensor tractography (DTT) in brainstem cavernous malformations (CMs). METHODS A prospective randomized controlled clinical trial was performed by using stratified blocked randomization. The primary eligibility criterion of the study was being a surgical candidate for brainstem CMs (with informed consent)...
March 16, 2018: Journal of Neurosurgery
Takuya Sonoda, Yuto Tashiro, Yusuke Suzuki, Yu Kajiwara, Hala Zeidan, Yuki Yokota, Mirei Kawagoe, Yasuaki Nakayama, Tsubasa Bito, Kanako Shimoura, Masataka Tatsumi, Kengo Nakai, Yuichi Nishida, Soyoka Yoshimi, Tomoki Aoyama
[Purpose] Targeting university badminton players, this study investigated the relationship between agility, which is associated with performance in badminton, and lower limb muscle strength, and examined which muscles influence agility. [Subjects and Methods] A total of 23 male university badminton players were evaluated for side-shuffle test scores and lower limb strength. The relationships between agility, lower limb strength, and duration of experience playing badminton were evaluated using a correlation analysis...
February 2018: Journal of Physical Therapy Science
Hye Joo Jeon, Byong Yong Hwang
[Purpose] To evaluate the effect of bilateral lower limb strengthening designed to improve balance and walking in stroke patients. [Subjects and Methods] Twenty hemiparetic stroke patients were divided into two groups: a unilateral therapy group (UTG) (n=10) and a bilateral therapy group (BTG) (n=10). The UTG completed strength training only in the paretic lower limb. The BTG completed strength training in the paretic and non-paretic lower limbs. Assessment tools included the functional reach test (FRT), the Berg balance scale (BBS), the timed up and go (TUG) test, and a 10-meter walk test (10MWT)...
February 2018: Journal of Physical Therapy Science
Laura Rodríguez, José Miguel Carretero, Rebeca García-González, Juan Luis Arsuaga
The recovery to date of three complete and five partial femora, seven complete tibiae, and four complete fibulae from the Atapuerca Sima de los Huesos site provides an opportunity to analyze the biomechanical cross-sectional properties in this Middle Pleistocene population and to compare them with those of other fossil hominins and recent modern humans. We have performed direct comparisons of the cross-sectional geometric parameters and reduced major axis (RMA) regression lines among different samples. We have determined that Atapuerca Sima de los Huesos (SH) fossils have significantly thicker cortices than those of recent modern humans for the three leg bones at all diaphyseal levels, except that of the femur at 35% of biomechanical length...
April 2018: Journal of Human Evolution
Tereza Kmentova, Anna Valerianova, Lucie Kovarova, Jana Lachmanova, Zuzana Hladinova, Jan Malik
BACKGROUND: Creation of vascular access leads to considerable local haemodynamic changes with decreased hand perfusion. Distal limb tissues then represent a model of hand ischaemia effect on muscles. The aim of our study was to investigate how the presence of vascular access influences the hand muscle strength in end-stage renal disease patients. METHODS: We included 52 chronically haemodialysed patients with upper limb access without clinical signs of hand ischaemia...
March 1, 2018: Journal of Vascular Access
Gang Wang, Jing Liang, Zishan Jia, Lei Wan, Mingxia Yang
RATIONALE: Spinal cord infarction is one of the complications of epidural steroid injections (ESIs), but has only been reported in cervical vertebra by transforaminal injection and lumbar vertebra by transforaminal injection; and up to now, there is no reporting about spinal cord infarction caused by caudal injection. Here, we report a case. PATIENT CONCERNS: A 52-year-old man was admitted to our hospital. He was diagnosed as lumbar disc herniation in other hospital, and the patient suffered bilateral lower limb motor and sensory disorders after administration of caudal ESI...
March 2018: Medicine (Baltimore)
So Young Lee, Eun Young Han, Bo Ryun Kim, Sang Hee Im
OBJECTIVE: The aim of this study was to assess the effects of a motorized aquatic treadmill exercise program improve the isometric strength of the knee muscles, cardiorespiratory fitness, arterial stiffness, motor function, balance, functional outcomes and quality of life in subacute stroke patients. DESIGN: Thirty-two patients were randomly assigned to 4-week training sessions of either aquatic therapy(n=19) or land-based aerobic exercise(n=18). Isometric strength was measured using an isokinetic dynamometer...
March 12, 2018: American Journal of Physical Medicine & Rehabilitation
A F Martinez, G C Lessi, C Carvalho, F V Serrao
Kinematic changes have been correlated with different lower limb injuries. Movement is influenced by multiple factors and strength is one of the contributors that can influence it. Thus, the aim of this study was to evaluate the correlation among trunk and hip isometric strength with trunk and lower-limb kinematics during a single-leg drop vertical jump. Twenty-three healthy recreational women athletes aged between 18 and 35 years underwent isometric evaluation of hip abductor, hip extensor, and lateral trunk muscle strength and three-dimensional trunk and lower-limb kinematics during a single-leg drop vertical jump...
March 6, 2018: Journal of Strength and Conditioning Research
Xiaoke Li, Shuo Qi, Yuntao Jiao, Jing Gao, Hongbo Du
RATIONALE: Primary central nervous system lymphoma (PCNSL) with initial manifestations of constipation and intestinal obstruction (IO) is rare. PATIENT CONCERNS: A 50-year-old Chinese male patient was admitted to the gastroenterology department due to constipation and abdominal distention for 8 days. He had experienced intermittent back pain for 3 years prior to admission. Based on abdominal radiography, he was initially diagnosed with IO and treated with meal restriction and enemas...
March 2018: Medicine (Baltimore)
Yang Meng, Xiaofei Wang, Beiyu Wang, Tingkui Wu, Hao Liu
RATIONALE: Cervical open-door laminoplasty can enlarge the volume of the cervical vertebral canal and thus has become an effective and safe treatment for multilevel cervical disc herniation and cervical stenosis. Some post-surgery complications exist, such as reduction of cervical alignment and local kyphosis. However, aggravation of cervical disc herniation at the surgical level during short-term follow-up has not been discussed. Additionally, spontaneous disappearance of herniated disc pulposus is a common phenomenon in the lumbar region but is relatively rare in the cervical region...
March 2018: Medicine (Baltimore)
Tom McGowan, Terence Ong, Ashok Kumar, Eleanor Lunt, Opinder Sahota
Background: chair-based pedal exercises potentially offer a simple method of improving physical activity in older people admitted to hospital. Objective: to assess the feasibility of using chair-based pedal exercisers on acute medical wards for older people. To study if there is any effect on muscle strength, mobility and time spent physically active. Subjects: fifty participants ≥65 years who were able to pedal admitted to acute medical wards for older people in a UK hospital...
March 1, 2018: Age and Ageing
Tamaya Van Criekinge, Steven Truijen, Chelsea Verbruggen, Lotte Van de Venis, Wim Saeys
OBJECTIVE: A systematic review to examine the effect of static or dynamic trunk training compared to standard care or control therapy on muscle activity and muscle thickness of the trunk and lower limb muscles in stroke survivors. MATERIALS AND METHODS: This review was registered on PROSPERO (no: CRD42017063771) and was written according to the PRISMA guidelines. The search strategy included studies from the first indexed article until September 2017 and was performed in the electronical databases PubMed, Web of Science, Cochrane Library, Ovid Medline and PEDro...
March 5, 2018: Disability and Rehabilitation
Elisa Doria Pires, Paula Rezende Camargo
BACKGROUND: This study measured strength of the trunk and hip, and compared Y Balance Test and Upper Quarter Y Balance Test in individuals without and with scapular dyskinesis. Strength and endurance of the scapulothoracic muscles were also assessed. METHODS: Forty-four individuals without shoulder pain were divided in 2 groups: without scapular dyskinesis (age 26.00, SD 4.10 years) and scapular dyskinesis (age 23.68, SD 4.20 years). Scapular dyskinesis was assessed by clinical observation of the scapular motion during arm elevation, and was classified as present or absent...
February 27, 2018: Clinical Biomechanics
Gabriele Mascherini, Benedetta Tosi, Chiara Giannelli, Elisabetta Grifoni, Sonia Degl'innocenti, Giorgio Galanti
BACKGROUND: Improvements in prevention and therapeutic strategies over the years have increased the numbers of breast cancer survivors considerably. Sedentary behavior is now acknowledged to be a risk factor for cancer and cancer relapse. Currently, there are different approaches to increasing the effectiveness of long-term physical activity in these patients. The aim of this study was to verify the long-term effectiveness of a home-based program for active lifestyle change in overweight breast cancer survivors...
March 1, 2018: Journal of Sports Medicine and Physical Fitness
Jessica Robinson-Papp, Mary Catherine George, Alexandra Nmashie, Donald Weisz, David M Simpson
Objective : Open-label data suggest that intravenous immunoglobulin (IVIG) might improve lower-extremity strength in human immunodeficiency virus (HIV)-associated myelopathy (HIVM), a rare but debilitating neurologic complication of HIV. We sought to determine the feasibility of testing the efficacy of IVIG for HIVM more rigorously. Design : We conducted a randomized, double-blind, placebo-controlled feasibility trial of IVIG for HIVM, using dynamometry as an outcome measure (Clinical Trial No. NCT01561755)...
February 1, 2018: Innovations in Clinical Neuroscience
Lindsay V Slater, Melissa Vriner, Kristen Schuyten, Peter Zapalo, Joseph M Hart
Asymmetrical dynamic balance compared to normative populations have been associated with increased risk of injury in athletes, however it is unclear if the current data are similar to balance performance in figure skaters. Therefore, the purpose of this study was to compare performance on the y-balance test between sexes and disciplines in elite figure skaters. Thirty-two senior level figure skaters from 3 different disciplines (singles, dance, pair) completed the y-balance test on the take-off and landing leg...
February 27, 2018: Journal of Strength and Conditioning Research
Mary Hellen Morcelli, Dain Patrick LaRoche, Luciano Fernandes Crozara, Nise Ribeiro Marques, Camilla Zamfolini Hallal, Mauro Gonçalves, Marcelo Tavella Navega
The aim was to compare torque and rate of torque development of lower limb muscles between older women with functional and slow gait speeds to determine which muscle group is the best predictor of functional gait speed, and to establish strength thresholds needed for functional walking speed. Torque and rate of torque development of hip, knee and ankle muscles were measured in older women who were divided in two groups according to gait speed: slow gait speed (< 1.22 m s-1 ) and functional gait speed (≥ 1...
February 27, 2018: Journal of Applied Biomechanics
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