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There are few times in life when one should aim for suboptimal performance, but new research at Rice University suggests scientists who study metabolism and its role in evolution should look for signs...
Exercise-Induced Changes in the Cortical Bone of Growing Mice Are Bone and Gender Specific
mechanical properties pQCT matrix changes
2014/11/6
Fracture risk and mechanical competence of bone are functions of bone mass and tissue quality, which in turn are dependent on the bone's mechanical environment. Male mice have a greater response to no...
Short-Term Exercise In Mice Increases Tibial Post-Yield Mechanical Properties While Two Weeks of Latency Following Exercise Increases Tissue-Level Strength
running mechanical properties histomorphometry extracellular matrix
2014/11/6
We have previously shown that exercise during growth increases post-yield deformation in C57BL6/129 (B6;129) male tibiae at the expense of reduced pre-yield deformation and structural and tissue stren...
Exercise Alters Mineral and Matrix Composition in the Absence of Adding New Bone
Mechanical loading Mechanical properties Mineral Collagen Raman spectroscopy
2014/11/6
The mechanical properties of bone are dictated by its amount, distribution and ‘quality’. The composition of the mineral and matrix phases is integral to defining ‘bone quality’. Exercise can potentia...
Inbred Strain-Specific Effects of Exercise in Wild Type and Biglycan Deficient Mice
Transgenic Mechanical properties Exercise Micro CT Raman
2014/11/6
Biglycan (bgn)-deficient mice (KO) have defective osteoblasts which lead to changes in the amount and quality of bone. Altered tissue strength in C57BL6/129 (B6;129) KO mice, a property which is indep...
Exercise Training Improves Heart Rate Variability after Methamphetamine Dependency
HRV SUBSTANCE,USE AUTONOMIC,NERVOUS,SYSTEM PARASYMPATHETIC,ACTIVITY
2017/5/23
Heart rate variability (HRV) reflects a healthy autonomic nervous system and is increased with physical training. Methamphetamine dependence (MD) causes autonomic dysfunction and diminished HRV. We co...
L-ornithine hydrochloride ingestion increased carbohydrate oxidation but not lipid oxidation during submaximal endurance exercise following resistance exercise
L-Ornithine Hydrochloride Endurance Exercise Lipid Oxidation
2013/1/28
This study aimed to examine the effect of L-ornithine hydrochloride ingestion on lipid oxidation during submaximal endurance exercise following resistance exercise. Ten healthy young male adults with ...
The Treatment of Morton’s Neuroma, a Significant Cause of Metatarsalgia for People Who Exercise
Morton’s Neuroma Neurolysis Metatarsalgia Surgical Technique
2013/1/29
Morton’s Neuroma is a common metatarsalgia in athletes created due to the entrapment of the inter-digital nerve inside the transverse inter-metatarsal ligament. The purpose of the present study is to ...
Immediate impact of exercise on arterial stiffness in humans
Arterial Stiffness Pulse Wave Velocity
2013/2/19
Background and objectives: Increased arterial stiffness is an accepted cardiovascular risk factor. Several studies have shown that regular exercise is associated with reduced arterial stiffness. Howev...
Effectiveness of sub-maximal intermittent exercise on muscle glycogen depletion, PGC-1α and PDK-4 gene expression
ntermittent Exercise Muscle Glycogen Peroxisome Proliferator-Activated Receptor-γ Coactivator-1α
2013/1/30
Several metabolic gene expressions are regulated in concert with muscle glycogen status. We hypothesized that intermittent exercise performed at high but sub-maximal intensities with long recovery per...
Nonlinear power loss during exercise in single-ventricle patients after the Fontan:insights from computational fluid dynamics
blood flow computational fluid dynamics exercise Fontan procedure hemodynamics
2009/12/23
We previously demonstrated that power loss (PL) through the total cavopulmonary connection (TCPC) in single-ventricle patients undergoing Fontan can be calculated by computational fluid dynamic analys...
The total cavopulmonary connection resistance:A significant impact on single ventricle hemodynamics at rest and exercise
Mathematical Modeling Cardiac Function Congenital Heart Defects Exercise Magnetic Resonance Imaging
2009/12/23
Little is known about the impact of the total cavopulmonary connection (TCPC)
on resting and exercise hemodynamics in a single ventricle (SV) circulation. The aim of this
study was to elucidate this...
The Potential Effects of a Biofeedback Writing Exercise on Radial Artery Blood Flow and Neck Mobility
radial artery blood flow cervical range of motion neck trauma biofeedback
2009/10/30
Background:It has been suggested that sustained contraction of the deep neck muscles may reduce axial cervical range of motion (CROM) and radial artery blood flow velocity (vrad.art.mean). No studies ...
Relationship between Hand Positions and the Corresponding Ranges of Arm Posture: a Computational Study for Application to Rehabilitation Using Exercise Devices to Control Hand Position
hand position arm posture inverse kinematics robot aided rehabilitation upper extremity
2009/6/8
Relationship between hand positions (HPs) and the corresponding ranges of arm posture (RAPs) was studied computationally for application to rehabilitation using exercise devices which, such as a kind ...
The Relationship between Exercise Intensity and Lactate Concentration on the Skin Surface
lactate skin surface exercise rectus femoris palm
2009/4/8
We examined the relationship between skin surface lactate concentration on working muscle and heart rate during continuous graded cycling exercise. Sixteen healthy male volunteers participated in this...