Unterarmstütz-Einknie-Anheben (Captain's Chair Einknie-Anheben, Captain's Chair Einbein-Knie-Anheben, Unterarmstütz-Einbein-Knie-Anheben, Forearm support one-knee raise, Captain's chair one-knee raise, Captain's chair one-leg knee raise, Forearm support one-leg knee raise)