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Knowledge of the genetic basis of divergence in mating signal characters that contribute to reproductive isolation is critical to understanding speciation. Here, we describe a semi-automated system for characterizing grasshopper acoustic signals. We used this system to study the genetic basis of divergence in three male calling song components [echeme (EL),(More)
Continuous passive motion (CPM) is an orthopedic treatment or physiotherapy after injury or operation. Most of CPM devices used for treatment of the elbow joint have one degree of freedom in flex-/extension. This causes that the patients are limited in pro-/supination of the forearm with flex- /extension of the elbow joint due to the movement of CPM device.(More)