Don't break a leg: Running birds from quail to ostrich prioritise leg safety and economy in uneven terrain [PDF]
Journal of Experimental Biology, 2014Cursorial ground birds are paragons of bipedal running that span a 500-fold mass range from quail to ostrich. Here we investigate the task-level control priorities of cursorial birds by analysing how they negotiate single-step obstacles that create a ...
Alexander+87 more
core +7 more sources
The impact of political instability driven by the Tunisian revolution on the relationship between Google search queries index and financial market dynamics [PDF]
Journal of Capital Markets Studies, 2020Purpose – This paper examines the impact of political instability on the investors' behavior, measured by Google search queries, and on the dynamics of stock market returns.
Yousra Trichilli+2 more
doaj +1 more source
Efficiency of U.S. Oil and Gas Companies toward Energy Policies
Gases, 2022The petroleum industry faces crucial environmental problems that exacerbate business instability, such as climate change and greenhouse gas emission regulations.
Sami Jarboui+2 more
doaj +1 more source
The Effect of Lumbopelvic Control Disorders on Balance and Lower Extremity Function in Professional Athletes with Frequent Landings: A Single-Blind Cross-Sectional Study [PDF]
مجله علوم پزشکی صدرا, 2021Introduction: Recent studies have shown relationship between lumbopelvic control, function, kinematics, and lower extremity loading. However, poor lumbopelvic control has not been studied as a risk factor for lower extremity injury in sports with ...
Pariya Fadaei Dehcheshmeh+1 more
doaj +1 more source
Significance of the determination of doppler sonography haemodynamic indices for the assessment of distal perfusion in patients with critical ischemia of lower limbs [PDF]
Vojnosanitetski Pregled, 2006Background/Aim: The perfusion of tissue, especially the muscles of the lower limbs (LL), implies the blood flow that carries enough nutrition, energy materials and oxygen.
Čizmić Milica+3 more
doaj +1 more source
Extension of Dancer’s Legs: Increasing Angles Show Motion
Frontiers in Psychology, 2022Usain Bolt’s Lightning Bolt pose, one arm highly extended to one side, suggests action. Likewise, static pictures of animals, legs extended, show animation. We tested a new cue for motion perception—extension—and in particular extension of dancer’s legs.
Stefano Mastandrea, John M. Kennedy
doaj +1 more source
The induced membrane technique is an innovative approach for repairing critical bone defects and has been applied recently in patients with congenital pseudarthrosis of the tibia (CPT).
Céline Klein+4 more
doaj +1 more source
Motion of a Legged Bidirectional Miniature Piezoelectric Robot Based on Traveling Wave Generation
Micromachines, 2020This article reports on the locomotion performance of a miniature robot that features 3D-printed rigid legs driven by linear traveling waves (TWs). The robot structure was a millimeter-sized rectangular glass plate with two piezoelectric patches attached,
Jorge Hernando-García+3 more
doaj +1 more source