Selkäsunnuntai – Osa 20: Harjoitus rintakehän ja rintarangan asennon hallintaan

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Selkäsunnuntai – Osa 20: Rintakehän ja rintarangan eriytetty harjoitus. Kiinnitä huomiota sekä niskan että lannerangan hallintaan. Kyseessä on hallintaharjoitus …