The Groove Association
Olivie Inoue
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Background: Limited evidence suggests a positive correlation between tibial tubercle-trochlear groove (TT-TG) distance and the risk of native anterior cruciate ligament (ACL) tear. The relationship between TT-TG distance and the risk of ACL graft failure is unknown.
Conclusion: Increased TT-TG distance, increased lateral PTS, and younger age are independently associated with increased odds of ACL graft failure. Patients with these characteristics may require a more comprehensive strategy to reduce the risk of ACL reinjury.
Hi all,
is anyone aware of the possibile reason of the difference of these two extraction groove depth and angle width?
Germans were highly standardized in their stuff production to consider this as a non well late turned case.
Any idea?
In my view it is not the same story as with he 7.9 mm kurz. Its change of the extractor groove was proposed when this cartridge was still not finalized.
The 9 mm Pistolenpatrone 08 (army designation) existed since 1904 (adoption by Kaiserliche Marine) and was a long proven design when Germany started WW2.
2.1.1.2.2 Instantaneous discs were recording media that were widespread in radio stations, before the advent of magnetic tape. The discs were used to record and replay signals without the need for galvanoplastic processing and pressing. Their surfaces are soft enough to permit the cutting of the groove, but hard enough to permit a number of replays. Most of these discs are unique recordings. If not recognisable by their distinct appearance, almost all instantaneous discs can be identified by their handwritten or typed labels.
There are homogeneous discs made from one single material component such as aluminium, zinc, PVC, or gelatine, as well as laminated discs, which are composed of a substrate and a surface coating made from different materials that is engraved with the recording.
Cellulose nitrate decomposes continuously over time by reacting with water vapour or oxygen. This process produces acids that act as a catalyst for these hydrolytic reactions. Elevated temperature and humidity levels will further accelerate these reactions. Gradual degradation, along with loss of plasticisers, causes progressive embrittlement and shrinking of the lacquer coating. As the lacquer is bonded to a substrate that cannot shrink, internal stresses ultimately result in a cracking and flaking off of the lacquer coating, leading to the loss of the sound carrying layer. The mechanical instability of cardboard/paper bases often results in uneven or cracked surfaces while the fragility of glass bases often results in broken discs.
Internal stresses are difficult to detect. Lacquer discs should not, therefore, be exposed to mechanical or thermal stresses. As their further life expectancy is unpredictable, the recordings on such discs should be immediately transferred to digital files before they are lost.
2.1.1.2.2.2 Other instantaneous discs. In addition to lacquer discs, all other instantaneous discs, irrespective of their particular composition, should also be considered to be at great risk.
Avenue Groove is a six-piece band playing the hottest funk and R&B dance hits you'll find. Get ready to party for this one, as Avenue Groove brings it's funky clean sound to the beach. Come groove along with Avenue Groove!
The recognition of specific DNA sequences is fundamental to the central dogma of molecular biology wherein DNA is transcribed to RNA and RNA is translated to protein. Without the ability to recognize specific target sties errors in transcription occur that can result in detrimental mutations and disease. Through the use of molecular dynamics and biophysical computational methods, it is possible to investigate the interactions between nucleic acids other biomolecules at the atomistic level. This leads to a physical interpretation of the underlying mechanics of these crucial interactions. In this dissertation two biomolecules that interact specifically with the minor groove of DNA have been investigated. DB2277, a dication diamidine, inserts into the minor groove, recognizing a specific DNA sequence with high specificity. The combination of shape complementarity and direct contacts between the DNA base pairs aids in its ability to distinguish its preferred sequence. Understanding the driving force behind DNA sequence recognition could aid in the development of transcription sequence specific therapeutics for the treatment of disease. On a much larger scale, the macromolecule DNA sliding clamp uses the minor groove as a guide as it diffuses along the DNA backbone. The unique electrostatic configuration of inner pore allows it to modulate the diffusion. Insight into protein propagation along the DNA backbone could provide a great understanding into how proteins locate their target binding sites. Although both of these complexes interact with DNA in two very different ways, it is the intrinsic nature of the DNA that allows them to do so. It is this relationship which is explored throughout the dissertation.
By optimizing the groove shape on the thin sintered hydrodynamic bearing and machining process of the groove, this product helped to achieve a thinner fan-motor. In addition, the high sales figures were praised highly, and led to selection for this prize.
Patellar tendon-trochlear groove (PT-TG) angles are reported to be reliably measured within and between observers using magnetic resonance imaging and computerized tomography scan. Furthermore, recent findings suggest PT-TG angles outperform the tibial tuberosity-trochlear groove distance for detecting patellofemoral instability (PFI) between cases and controls. However, current evidence is limited in scope and scale. Therefore, carefully crafted follow-up studies are required to establish a simple best technique for measuring PT-TG angle and to conclusively confirm its utility in managing PFI. Future investigations that seek to establish related clinimetric criteria must adhere to recognized standards that facilitate robust scientific discovery and reporting guidelines, which enable efficient translation of knowledge creation to patient care.
N2 - Patellar tendon-trochlear groove (PT-TG) angles are reported to be reliably measured within and between observers using magnetic resonance imaging and computerized tomography scan. Furthermore, recent findings suggest PT-TG angles outperform the tibial tuberosity-trochlear groove distance for detecting patellofemoral instability (PFI) between cases and controls. However, current evidence is limited in scope and scale. Therefore, carefully crafted follow-up studies are required to establish a simple best technique for measuring PT-TG angle and to conclusively confirm its utility in managing PFI. Future investigations that seek to establish related clinimetric criteria must adhere to recognized standards that facilitate robust scientific discovery and reporting guidelines, which enable efficient translation of knowledge creation to patient care.
AB - Patellar tendon-trochlear groove (PT-TG) angles are reported to be reliably measured within and between observers using magnetic resonance imaging and computerized tomography scan. Furthermore, recent findings suggest PT-TG angles outperform the tibial tuberosity-trochlear groove distance for detecting patellofemoral instability (PFI) between cases and controls. However, current evidence is limited in scope and scale. Therefore, carefully crafted follow-up studies are required to establish a simple best technique for measuring PT-TG angle and to conclusively confirm its utility in managing PFI. Future investigations that seek to establish related clinimetric criteria must adhere to recognized standards that facilitate robust scientific discovery and reporting guidelines, which enable efficient translation of knowledge creation to patient care.
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N2 - Robotic motion has been studied for many purposes, such as effective fast movements, communicative gestures, and obstacle avoidance. Through this study, we are able to improve the perceived expressivity of a robot performing a task by generating trajectories. So far, robots have been very rigid in their movements, making them feel more robotic and less human. The concept of follow through, and smooth movement, can be used to increase animacy for a robot which leads to a more lifelike performance. In this paper, we describe the use of follow through to improve dances and grooves that can match the elegance of human dancers. We created two techniques using a non-humanoid robotic arm, to simulate this for a robotic dancer. Our first technique uses forward kinematics with trajectories that are generated based on a dancer moving to a beat. We mapped various movements of a human dancer to a set of joints on a robotic arm to generate the dancing trajectory. This technique allows a robot to dance in real-time with a human dancer, and also create its own smooth trajectory. The time delay that each human body part uses is implemented as time delay in the robot movements. The second method uses impedance control with varied damping parameters to create follow through. Robotic joints with low damping can passively move in response to other movements in a robot. The arm had high damping for any active moving joints, while the rest of the arm would passively react to this excitation; similar to how a human body responds to our own movement. These two methods were compared in a study where the robot would dance to a beat and users would qualitatively and quantitatively rate the robotic movement. The results of the survey showed that both methods provided an increase in animacy and anthropomorphism of a robot dancing to a beat. Impedance control had the highest rating for animacy, anthropomorphism, full body, and individual body rating. The use of impedance can provide a simple way for a robot to dance like a human, without a change to the primary trajectory.
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