External rotation

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  • Endocurricular Arthritis Case Study

    The IT band and gluteus muscle were split in line with the wound. The trochanter bursa was excised, and the fat was retracted over the short external rotator musculature. The piriformis and obturator internus and short external rotators were then dissected free from the posterior greater trochanter and tagged for later reattachment, exposing the posterior hip capsule. The posterior hip capsule was then incised along the intertrochanteric ridge and tagged in a U-type shape for later repair. The hip was dislocated with findings of a severely degenerative femoral head and acetabular, with a complete loss of articular cartilage…

    Words: 764 - Pages: 4
  • Functional Movement System Case Study

    is comprised of seven scored tests, including a deep squat, hurdle step, in-line lunge, shoulder mobility, active straight leg raise, trunk stability push-up, and rotary stability. Also, three pass or fail tests, including, shoulder impingement clearing test, spinal extension clearing test and spinal flexion clearing test. Testing took place in the Health and Human Performance lab of the Royal Brougham of Seattle Pacific University. Each test received a score from 0-3 (21 points possible) or a…

    Words: 1671 - Pages: 7
  • Essay On Figure Skating

    angular momentum during counterclockwise rotational spins. A figure skater is trained to use a double axel, a jump with forward takeoff, with a split jump to create a parabolic leap in the air. A double axel contains an additional rotation in the air due to the forward takeoff. Assuming that there is no friction on the ice and no resistance in the air, every figure skater must be concerned about his maximum height, horizontal and vertical displacement and the speed required to perform a…

    Words: 1327 - Pages: 6
  • Essay On Blast Wave Generating Device

    serves as the outer steel walls to contain the shock wave, while at the same time providing a structure and frame for the slats and rods (which externally support the weight system). The rods that rotate with the slats also interface with the weight system which provides an opposing moment to resist rotation in order to delay the travel of the shock wave. Lastly, the shell serves as a structure to fasten the flow straighteners inside the posterior section of the device. The manufacturing of each…

    Words: 1739 - Pages: 7
  • Pharmaceutical Tablets Essay

    Each powder mixture has unique characteristics, and so have a unique optimization curve to achieve an acceptable state of uniformity and particle size distribution. Many blending units are available which offer differing shear, convective and dispersion properties on the powder bed. Convective forces refer to large groups of particles moving in an orthogonal direction to the axis of rotation. Dispersion is random motion of particles due to collisions, usually parallel to the axis of rotation,…

    Words: 2048 - Pages: 9
  • Petitio Principii Dialogue Analysis

    Dialogue Concerning the Two Chief World Systems P1) Over a twenty four hour period, the sun and planets can be seen moving from the east direction to the west direction. P2) The earth could not be moved by two motions like other planets, because there is no variance in the rising and setting of the heavens. P3) If the Earth moved, a dropped object would travel in the direction that the earth itself is moving and would be slowed down by said motion. Scientific experiments have exhibited that…

    Words: 717 - Pages: 3
  • Martian Vs The Core Essay

    The difference between the movies, The Core and The Martian, would be the logic of scientific principles and ideas. The Core is a movie; where a team tries to drill to the center of the Earth, so that they can restart the rotation of the Earth by blasting the Earth’s core with nuclear missiles. The movie, The Core, had flaws and errors; in which, causes unrealistic standards for science and unjustified the idea of what would really happen in this kind of situation. The main struggle the team…

    Words: 1181 - Pages: 5
  • Motorized Trauma

    recline, the apparatus resolved to utilizing a motor to drive rotation of a screw via a coupler, on which, a capture nut would be moved laterally. The capture nut was secured inside the lower rear arm bracket of the scissor mechanism, and movement of the nut was expected to provide the necessary lateral displacement to cause the struts to fold or expand and raise or lower the platform. The backrest was connected to the legrest via a lever-like connector beam where rotation of one of the rests…

    Words: 1096 - Pages: 5
  • The Importance Of Unbalance

    Specific unbalance: □(→┬e=(m□(→┬r ))/M) Figure 2.1: The detail drawing of the theory of the static balance. For the static unbalance rotor, no matter how many eccentric mass, just needed to keep single-plane balance. Dynamic balance The mass of static unbalance rotor could not be considered it is distributed perpendicular to its axis of rotation in the same plane. When the rotor rotating, due to the centrifugal force caused by each eccentric mass are not on the same plane,…

    Words: 1325 - Pages: 5
  • Automatic Door Mechanism Report

    downside. In the same way, I am going to fix the another motor on the other side as well. Now, we need to attach the sensors to the object. To do that, let me use another 50 extension block and a straight connector. I am going to Connect them on both the sides of the base. These 50 ext blocks are used to restrict the circular motion. Before moving ahead, I would like to explain you the concept of converting a circular motion into a linear motion which is used in this mechanism, but, before…

    Words: 1385 - Pages: 6
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