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https://www.readbyqxmd.com/read/27293508/utilization-of-an-anti-gravity-treadmill-in-a-physical-activity-program-with-female-breast-cancer-survivors-a-pilot-study
#1
Ciaran M Fairman, Kristina L Kendall, Brandonn S Harris, Kenneth J Crandall, Jim McMillan
Breast Cancer survivors can experience a myriad of physical and psychological benefits as a result of regular exercise. This study aimed to build on previous research using lower impact exercise programs by using an antigravity (Alter-G(®)) treadmill to administer cardiovascular training. The purpose of this study was to determine the effectiveness a physical activity program, including an Alter-G(®) treadmill, for improving physiological and psychosocial measures in female breast cancer survivors. A 14-week intervention using an AB-AB study design was employed...
2016: International Journal of Exercise Science
https://www.readbyqxmd.com/read/25162650/conversion-table-for-running-on-lower-body-positive-pressure-treadmills
#2
John R Kline, Scot Raab, J Richard Coast, Roger G Bounds, David K P McNeill, Hendrik D de Heer
Lower body positive pressure (LBPP) or antigravity treadmills are becoming increasingly popular in sports and rehabilitation settings. Running at a decreased body weight (BW) reduces metabolic cost, which can be offset by running at faster speeds. To date, however, little is known about how much faster someone must run to offset the reduced metabolic cost. This study aimed to develop a user-friendly conversion table showing the speeds required on an LBPP treadmill to match the equivalent metabolic output on a regular, non-LBPP, treadmill across a range of body weight supports...
March 2015: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/23669091/rehabilitation-and-return-to-running-after-lower-limb-stress-fractures
#3
REVIEW
Brian C Liem, Hallie J Truswell, Mark A Harrast
Lower limb stress fractures are common injuries in runners. In terms of treatment, much of the medical literature has focused primarily on rest and cessation of running, but little has been written about the rehabilitation and functional progression of runners following a lower limb stress fracture. This article reviews the scientific evidence behind common rehabilitation concepts used for runners recovering from these injuries and also discusses sport-specific training modalities such as deep water running and antigravity treadmill training...
May 2013: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/22920318/use-of-an-antigravity-treadmill-for-rehabilitation-of-a-pelvic-stress-injury
#4
Adam S Tenforde, Laine M Watanabe, Tamara J Moreno, Michael Fredericson
Pelvic stress injuries are a relatively uncommon form of injury that require high index of clinician suspicion and usually MRI for definitive diagnosis. We present a case report of a 21-year-old female elite runner who was diagnosed with pelvic stress injury and used an antigravity treadmill during rehabilitation. She was able to return to pain-free ground running at 8 weeks after running at 95% body weight on the antigravity treadmill. Ten weeks from time of diagnosis, she competed at her conference championships and advanced to the NCAA Championships in the 10,000-meters...
August 2012: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/22543742/maximal-physiological-parameters-during-partial-body-weight-support-treadmill-testing
#5
Boris Gojanovic, Phil Cutti, Rebecca Shultz, Gordon O Matheson
PURPOSE: This study investigated maximal cardiometabolic response while running in a lower body positive pressure treadmill (antigravity treadmill (AG)), which reduces body weight (BW) and impact. The AG is used in rehabilitation of injuries but could have potential for high-speed running, if workload is maximally elevated. METHODS: Fourteen trained (nine male) runners (age 27 ± 5 yr; 10-km personal best, 38.1 ± 1.1 min) completed a treadmill incremental test (CON) to measure aerobic capacity and heart rate (VO(2max) and HR(max))...
October 2012: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/21829114/evaluation-of-lower-body-positive-pressure-supported-treadmill-training-for-children-with-cerebral-palsy
#6
Max J Kurz, Brad Corr, Wayne Stuberg, Kathleen G Volkman, Nina Smith
PURPOSE: To examine the feasibility of using lower body positive pressure supported (LBPPS) treadmill training to improve the walking abilities, balance and lower extremity strength of children with cerebral palsy (CP). METHODS: Nine children with CP (GMFCS II-IV) participated in LBPPS treadmill training 2 days per week for 6 weeks. Pre and post training measures of preferred walking speed, spatiotemporal kinematics, lower extremity strength, and the BESTest were used to assess potential improvements from LBPPS treadmill training...
2011: Pediatric Physical Therapy
https://www.readbyqxmd.com/read/21702317/metabolic-consequences-of-garments-worn-to-protect-against-post-spaceflight-orthostatic-intolerance
#7
COMPARATIVE STUDY
Stuart M C Lee, Jamie R Guined, Angela K Brown, Michael B Stenger, Steven H Platts
INTRODUCTION: Astronauts have worn an inflatable antigravity suit (AGS) during Space Shuttle re-entry and landing to protect against hypotension and syncope, but ambulation with an inflated AGS requires significant effort and may prevent successful completion of an unaided emergency egress from the vehicle. NASA is considering the use of alternative garments to provide protection against post-spaceflight orthostatic intolerance. The purpose of this study was to compare the metabolic cost of walking in NASA's current AGS with that of walking in a commercially available elastic compression garment (thigh-high stockings), a candidate garment for use after exploration missions...
June 2011: Aviation, Space, and Environmental Medicine
https://www.readbyqxmd.com/read/19005003/heterogenic-feedback-between-hindlimb-extensors-in-the-spontaneously-locomoting-premammillary-cat
#8
Kyla T Ross, T Richard Nichols
Electrophysiological studies in anesthetized animals have revealed that pathways carrying force information from Golgi tendon organs in antigravity muscles mediate widespread inhibition among other antigravity muscles in the feline hindlimb. More recent evidence in paralyzed or nonparalyzed decerebrate cats has shown that some inhibitory pathways are suppressed and separate excitatory pathways from Golgi tendon organ afferents are opened on the transition from steady force production to locomotor activity. To obtain additional insight into the functions of these pathways during locomotion, we investigated the distribution of force-dependent inhibition and excitation during spontaneous locomotion and during constant force exertion in the premammillary decerebrate cat...
January 2009: Journal of Neurophysiology
https://www.readbyqxmd.com/read/16709923/locomotor-function-of-the-pectoral-girdle-muscular-sling-in-trotting-dogs
#9
David R Carrier, Stephen M Deban, Timna Fischbein
In therian mammals, gravitational and locomotor forces are transferred between the forelimb and trunk primarily, or entirely, through the muscles that connect the limb and trunk. Our understanding of this force transmission is based on analyses of shoulder anatomy and on a handful of descriptive electromyographic studies. To improve our understanding, we manipulated the locomotor forces of trotting dogs and monitored the resulting change in recruitment of five extrinsic muscles of the forelimb: m. serratus ventralis thoracis, m...
June 2006: Journal of Experimental Biology
https://www.readbyqxmd.com/read/12106265/cat-distal-forelimb-joints-and-locomotion-an-x-ray-study
#10
F. Caliebe, J. Häubetaler, P. Hoffmann, M. Illert, J. Schirrmacher, E. Wiedemann
The complex construction of the joint apparatus of the cat distal forelimb, which allows the paw three degrees of freedom, poses special requirements on the neural signals controlling the paw position. To understand the electromyography (emg) signals of the distal forelimb muscles during locomotion, it is necessary to know the kinematics of the forelimb joints in detail. As no such information is available, we used the pulsed X-ray technique in trained cats during treadmill locomotion to analyse the angular excursions of the wrist, the metacarpophalangeal (MCP) and the proximal interphalangeal (PIP) joints...
October 1991: European Journal of Neuroscience
https://www.readbyqxmd.com/read/11530890/spinal-cord-lesion-effects-of-and-perspectives-for-treatment
#11
REVIEW
V Dietz
Following central motor lesions, two forms of adaptation can be observed which lead to improved mobility: (1) the development of spastic muscle tone, and (2) the activation of spinal locomotor centers induced by specific treadmill training. Tension development during spastic gait is different from that during normal gait and appears to be independent of exaggerated monosynaptic stretch reflexes. Exaggerated stretch reflexes are associated with an absence or reduction of functionally essential polysynaptic reflexes...
2001: Neural Plasticity
https://www.readbyqxmd.com/read/10659258/emg-activity-of-the-muscles-of-the-neck-and-forelimbs-during-different-forms-of-locomotion
#12
M Tokuriki, R Ohtsuki, M Kai, A Hiraga, H Oki, Y Miyahara, O Aoki
We recorded the electromyographic (EMG) activity of 7 skeletal muscles in the forequarters and 1 in the hindquarters of 6 Thoroughbred horses during overground walking, swimming in a circular pool, and walking and trotting in a water treadmill. Bipolar fine wire electrodes were inserted into the muscles and the EMG signals were recorded using a telemetric system. The splenius exhibited tonic EMG activity during swimming. The brachiocephalicus showed its highest intensity during swimming followed by the walk and trot in the water treadmill and then walking overground...
July 1999: Equine Veterinary Journal. Supplement
https://www.readbyqxmd.com/read/9376497/-development-of-a-gait-trainer-with-regulated-servo-drive-for-rehabilitation-of-locomotor-disabled-patients
#13
D Uhlenbrock, T Sarkodie-Gyan, F Reiter, M Konrad, S Hesse
The aim of the present study was to develop a new gait trainer for the rehabilitation of non-ambulatory patients. For the simulation of the gait phase, we used a commercially available fitness trainer (Fast Track) with two foot plates moving in an alternating fashion and connected to a servo-controlled propulsion system providing the necessary support for the movement depending on the patient's impairment level. To compensate deficient equilibrium reflexes, the patient was suspended in a harness capable of supporting some of his/her weight...
July 1997: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/7755351/locomotor-capacity-of-spinal-cord-in-paraplegic-patients
#14
V Dietz, G Colombo, L Jensen, L Baumgartner
The induction of complex bilateral leg muscle activation combined with coordinated stepping movements is demonstrated in patients with complete paraplegia. This was achieved by partially unloading patients who were on a moving treadmill. In comparison to healthy subjects, the paraplegic patients displayed a less dynamic mode of muscle activation. In all other respects leg muscle electromyographic activity was modulated in a similar manner to that in healthy subjects. However, the level of electromyographic activity in the gastrocnemius (the main antigravity muscle during gait) was considerably lower in the patients...
May 1995: Annals of Neurology
https://www.readbyqxmd.com/read/6859284/rat-muscle-blood-flows-as-a-function-of-time-during-prolonged-slow-treadmill-exercise
#15
COMPARATIVE STUDY
M H Laughlin, R B Armstrong
The purpose of these experiments was to follow blood flows (BF) within and among rat hindlimb skeletal muscles as a function of time during prolonged low-speed treadmill locomotion. Male Sprague-Dawley rats were chronically instrumented with two Silastic catheters, one in the ascending aorta via the right carotid artery for microsphere infusion and one in the left renal artery for arterial reference blood sample withdrawal. BFs were measured, using the radio-labeled microsphere technique, within and among 23 major skeletal muscles of rats before exercise and during treadmill locomotion at 15 m/min at 0...
June 1983: American Journal of Physiology
https://www.readbyqxmd.com/read/6826426/eccentric-exercise-induced-injury-to-rat-skeletal-muscle
#16
COMPARATIVE STUDY
R B Armstrong, R W Ogilvie, J A Schwane
These experiments were designed to study skeletal muscle pathology resulting from eccentric-biased exercise in rats. The effects on the muscles of running on a treadmill on a 0 degrees incline (similar amounts of concentric and eccentric contractions), down a 16 degrees incline (primarily eccentric contractions), and up a 16 degrees incline (primarily concentric contractions) at 16 m . min-1 for 90 min were assessed by following postexercise changes in 1) plasma creatine kinase and lactate dehydrogenase activities, 2) glucose-6-phosphate dehydrogenase (G-6-PDase) activity (bio- and histochemically) in the physiological extensor muscles, and 3) histological appearance of the muscles...
January 1983: Journal of Applied Physiology: Respiratory, Environmental and Exercise Physiology
https://www.readbyqxmd.com/read/3740083/dyspnea-in-patients-with-hyperbradykininism-and-excessive-venous-pooling
#17
J H Auchincloss, D H Streeten, R Gilbert, D Peppi
In the original description of the syndrome of hyperbradykininism, dyspnea on exertion was not described. However, in five women with the syndrome, ages 31 to 58, four of whom had at least one elevated value of blood kinin as determined by radioimmunoassay, dyspnea on exertion was a prominent complaint. During treadmill walking at a constant power requirement against gravity, expired air gas collections and equilibrium carbon dioxide rebreathing were performed. Seventeen apparently healthy women, ages 18 to 48, served as control subjects...
August 1986: American Journal of Medicine
https://www.readbyqxmd.com/read/3584148/mechanical-morphological-and-biochemical-adaptations-of-bone-and-muscle-to-hindlimb-suspension-and-exercise
#18
S R Shaw, R F Zernicke, A C Vailas, D DeLuna, D B Thomason, K M Baldwin
The influences of weightbearing forces on the structural remodeling, matrix biochemistry, and mechanical characteristics of the rat tibia and femur and surrounding musculature were examined by means of a hindlimb suspension protocol and highly intensive treadmill running. Female, young adult, Sprague-Dawley rats were designated as either normal control, sedentary suspended, or exercise suspended rats. For 4 weeks, sedentary suspended rats were deprived of hindlimb-to-ground contact forces, while the exercise suspended rats experienced hindlimb ground reaction forces only during daily intensive treadmill training sessions...
1987: Journal of Biomechanics
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