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Table 1 Descriptive statistics of the maximum hip impact force (Fmax) for the different fall conditions.

From: Could martial arts fall training be safe for persons with osteoporosis?: a feasibility study

Fall exercise    Fmax (N)
Fall direction Fall height Fall surface Median IQR Max
Sideways Knee Judo mat 1769 407 2219
  Knee Mattress 1330 131 1426
  Stand Mattress 1551 439 2012
Forward Knee Judo mat 1745 624 2474
  Knee Mattress 1453 669 2006
  Stand Mattress 1833 419 3132
  1. IQR = interquartile range, Max = highest Fmax.