Observational Study
Copyright ©The Author(s) 2015.
World J Orthop. Oct 18, 2015; 6(9): 719-726
Published online Oct 18, 2015. doi: 10.5312/wjo.v6.i9.719
Figure 1
Figure 1 The two types of static stretching exercise for the quadriceps muscle (A in standing and B in sitting position).