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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Biomechanical analysis of the posterior bony column of the lumbar spine

Fig. 1

Preparation and measurement of bone specimens. The samples were divided into six groups (a). All specimens were tested using imaging studies to rule out pathological abnormalities (b, c). Measurement of the original length L 0 (d). Measurement of force face S 0 (e, f). Universal testing machine (g). The central axis of the specimen coincided with two platen center connections to achieve the shaft load (h)

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