Can the combination of deep tissue massage and stretching influence the recovery process of lower back pain injuries? oleh Liza, Bafirman, Masrun, Y Touvan Juni Samodra, Mikkey Anggara Suganda, Muhamad Sazeli Rifki, Didi Suryadi, Ardo Okilanda, Danang Dwi Purwanto, Youssouf Haïdara