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Figure 4 | BMC Musculoskeletal Disorders

Figure 4

From: Biomechanical effects of sitting with adjustable ischial and lumbar support on occupational low back pain: evaluation of sitting load and back muscle activity

Figure 4

Average changes (in percentage Mean ± SE) of parameters of backrest interface pressure (total contact area "TCA", average pressure "AP", peak pressure "PP", vertical location of PP "PP Z " and "horizontal location of PP "PP Y ") induced by sitting posture change from Normal to Off-Loading posture for both Asymptomatic and LBP subjects.

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