Selkästunnuntai – Osa 30: Harjoitus yläniskan hallintaan ja liikkuvuuteen

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Selkästunnuntai – Osa 30: Yläniskan lihakset ovat yleensä kireät ja tämä voi aiheuttaa päänsärkyä. Tällä harjoituksella pyritään vetreyttämään noita lihaksia …