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RT @PhysioMeScience: What influence do increased physical performance, age, sex and training frequency have on the effectiveness of back tr…
RT @PhysioMeScience: What influence do increased physical performance, age, sex and training frequency have on the effectiveness of back tr…
What influence do increased physical performance, age, sex and training frequency have on the effectiveness of back training? https://t.co/BIW5W3IY1V https://t.co/iMZwzzVNhr