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. Author manuscript; available in PMC: 2014 Oct 20.
Published in final edited form as: J Phys Act Health. 2011 Mar;8(3):309–320. doi: 10.1123/jpah.8.3.309

Figure 5.

Figure 5

— Mean (± SE) progression of absolute (kg; Top Panel) and perceived (RPE; Bottom Panel) training intensity for lumbar extension across 12 weeks among 32 pregnant women.