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. 2020 Dec 3;15(12):e0243090. doi: 10.1371/journal.pone.0243090

Fig 1. Testing setup.

Fig 1

The flywheel (FW) exercise device utilized the inertia of a spinning FW (A) to produce resistance. The FW standing platform (F) with plates (B) size was 1.1 x 0.6 m, rotary shaft diameter was 0.03 m and pulling rope diameter was 0.006 m. A harness (C) was used to aid in performing FW and isometric squats. A draw-wire sensor was installed under the device. The wire originated directly above the center of the axis—to avoid diagonal vertical displacement (D). The distal part of the wire was attached to the harness rope attachment (between legs) (G).