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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Differences in the flexion and extension phases during kneeling investigated by kinematic and contact point analyses: a cross-sectional study

Fig. 1

Kneeling action and lateral fluoroscopic imaging. a Represents the starting posture when the subject is kneeling with a knee flexion angle of 90°. b Represents the posture when the subject flexes the knee to the maximum flexed angle from (a). X-rays are emitted from the radiation source (X) toward the flat panel (Y), and a series of actions are recorded

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