Back stability

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Norris, Christopher M. (Author)
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Champaign Human Kinetics 2000
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!