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. 2014 Aug 8;14:292. doi: 10.1186/1472-6882-14-292

Figure 3.

Figure 3

Self-reported record for high velocity, low amplitude spinal manipulation. Level: the segment over which the manual contact occurs (L1-5, sacrum, and sacroiliac joint); Side Up: side of body contacted by clinician providing trunk twist motion direction; Contact Point: manual contact of the thrusting hand; SP: spinous process; MP: mammillary process; DW: interspinous space 1 cm lateral to spinous processes; PSIS: posterior superior iliac spine; Ischial Tubes: Ischial tuberosity; Fossa: midpoint between ischial tuberosity and PSIS; Base: Medial aspect of the superior sacrum; Apex: inferior sacrum; Ala: sacral ala or lateral superior sacrum; Direction of thrust: direction of thrust applied by the thrusting hand; A: anterior; S: superior; I: inferior; M: medial; L: lateral.