So whether it is a reconstruction or a repair, the main concern of an athlete is when they can initiate running and get back to the sport as early as possible. ![]() Among them, ACL reconstruction is the most common. For incomplete tears, ACL repair is the choice of surgical procedure and for complete tears, ACL reconstruction is done 1. ![]() In ACL (Anterior Cruciate Ligament) injury, depending on the grade of a tear there can be two types of surgery performed. And I will explain to you how you can achieve running through exercises. So to give a precise answer to this question, we have with us Dr Manu who is an orthopaedic surgeon and an expert in ACL surgery, In his opinion, we will know when we can start running. After ACL surgery, the question may also arise in your mind when can I run after ACL surgery? There are 5 criteria that you must fulfil to start initiating running and get back to work.
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A discussion on this topic on AA confirmed be that the conical approximation of the horn shall not be a bad choice (see discussion and simulations here). The results of the simulation were very close to each other. They differed only in the shape of the flare (bend vs. ![]() All these variants had the same throat and mouth dimensions as well as the same length. I simulated the predicted response of this horn and of several approximations (including a conical version). Initially I wanted to apply a hyperbolic exponential flare with a m-factor of 0.6. The size of the throat is based on Keeles calculations as explained in Bruce Edgar’s Show Horn article (refer to download section). To reduce the amount of mouth reflections I choose a mouth width/height ratio of 1:1.6. Since the EV does not have the ‘highest’ mass roll off, only a unfolded horn was a possibility. A pair of Electro Voice EVM15L I bought some time ago were planned to be the driver for these horns. ![]() The initial idea was to build some horns which have a lower cut off frequency.Ĭonsidering the space we’ve got within our living room, I decided that the horn shall not exceed 1m in depth (including the back chamber) which lead me to a flare frequency of 77Hz. ![]() ![]() After some back and forth I decided to build some alternative midbass horns to my 150Hz Tractrix to experiment with. |
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June 2023
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