Complex sentence: The fundamental technique (Ikkyo) is referred to as Robuse, or arm rowing, the majority of other aikido techniques are included in Yoseikan Aikido, although some may have different names.
Split into simpler sentences: The fundamental technique, Ikkyo, is referred to as Robuse, or arm rowing. The majority of other aikido techniques are included in Yoseikan Aikido, although some have different names.