نتایج جستجو برای: height of main trunk
تعداد نتایج: 21176300 فیلتر نتایج به سال:
Background: Identifying lower extremity defects during high impact activity, such as landing, especially in young athletes who play team sports, could help to prevent non-contact lower extremity injuries. The Tuck Jump Assessment (TJA) is a screening instrument designed to recognize neuromuscular deficits related to Anterior Cruciate Ligament (ACL) injury. The current study investigated the pre...
the significance of the study of deixis was then mentioned. the purpose of the present study from the outset was to provide a comprehensive overview of all kinds of deixis in persian, describing and defining each in true while considering them structurally and semantically. chapter two consisted of two main parts. a review of the english studies in this respect, besides presenting persian liter...
on this project we try to calculated power of hydrogen on dycarbonil compound in different ways ; the first way is shoster way , for sain power of hydrogen notice the different power between central conforms on it and main conform that’s didn’t have hydrogen joint . or in other way different of energy between open and close form. second way, is average way? this is for way that studied conf...
OBJECTIVES To describe muscle parameters in healthy teenagers and compare them to teenagers with chronic low back pain. METHODS A comparative study of 276 control teenagers and 51 teenagers with chronic low back pain (CLBP), benefiting from a specific treatment, 14.5 years average age. The control group is made up of teenagers without back pain and teenagers who reported some back pain when w...
BACKGROUND Ethnic differences in body fat distribution contribute to ethnic differences in cardiovascular morbidities and diabetes. However few data are available on differences in fat distribution in Asian children from various backgrounds. Therefore, the current study aimed to explore ethnic differences in body fat distribution among Asian children from four countries. METHODS A total of 75...
BACKGROUND Accurate geometry of the trunk musculature is essential for reliably estimating spinal loads in biomechanical models. Currently, many models employ straight muscle path assumptions that yield far less accurate tissue loads, particularly in extreme postures. Precise muscle moment-arms and physiological cross-sectional areas are important when incorporating curved muscle geometry in bi...
Recent genome-wide (GW) scans have identified several independent loci affecting human stature, but their contribution through the different skeletal components of height is still poorly understood. We carried out a genome-wide scan in 12,611 participants, followed by replication in an additional 7,187 individuals, and identified 17 genomic regions with GW-significant association with height. O...
[1] Hydraulic resistance of riparian forests is an unknown but important term in flood conveyance modeling. Lidar has proven to be a very important new data source to physically characterize floodplain vegetation. This research outlines a recent campaign that aims to retrieve vegetation fluid resistance terms from airborne laser scanning to parameterize trunk roughness. Information on crown cha...
OBJECTIVE To determine the frequency and nature of injuries sustained during the IRB 2011 Rugby World Cup. DESIGN A prospective, whole population survey. POPULATION 615 international rugby players representing 20 teams competing at the IRB 2011 Rugby World Cup in New Zealand. METHOD The study was implemented according to the international consensus statement for epidemiological studies in...
Why can we balance a yardstick but not a pencil on the tip of our finger? As with other physical systems, human motor control has constraints, referred to as bandwidth, which restricts the range of frequency over which the system can operate within some tolerated level of error. To investigate control bandwidth, the natural frequency of a stick used during a stick-balancing task was modified by...
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