Figure 3

Polygraphic EMG tracings showing the effects of plant extracts: (A) Aqueous extract of Mondia whitei (20 mg/kg); (B) Hexane extract of Mondia whitei (20 mg/kg); (C) Aqueous extract of Guibourtia tessmannii (20 mg/kg); (D) Methanolic extract of Guibourtia tessmannii (20 mg/kg). Arrows indicate the moment of injection.