Instructora de fitness con cabello rubio en ropa deportiva de pie y ayudando a la joven morena con flexiones, banda de resistencia y expansor en el club de fitness - Foto e imágenes de stock

Back view of young blonde in sportswear exercising with rubber expander and resistance band near mat near fitness instructor and African American female

Side view of female coach standing and supporting brunette pushing up with expander and resistance band near multiracial women in fitness club against mirror

Female fitness instructor standing and explaining technique of exercising with push ups and expander to multiracial women in fitness club against mirror

Obese woman intensively trains with personal trainer to lose weight in fitness club

Side view of female trainer explaining technique of exercising with rubber expander and resistance band to young multiracial women in fitness club against mirror

Multiracial young females near fitness mats training triceps with help of exercising with rubber expander and push ups in fitness club against mirror

Multiracial women in sportswear with resistance band on knees smiling and squatting with rubber expander near mats in fitness club

From above back view of sporty blonde female training with rubber band sitting on knees on gym mat in fitness class

Successful healthy smiling women with perfect figure practicing stretching exercises with effort on mats before fitness training, flexibility positive girls 20s during strength workout indoors

Fitness healthy young hipster girls doing morning core body workout on mats during strength training indoors, muscular positive women enjoying sport process with motivation in pilates studio

From above back view of athletic slim blonde female doing exercise with rubber band sitting on knees on gym mat

Multiethnic fit female in leggings and tops doing yoga on gym mats in fitness class bending backs and looking ahead

Group of concentrated sportive young fit women wearing sports bra and leggings looking in mirror while exercising on blue gym mat during group fitness class

Crop multiracial yoga women group in fitness studio leaning on hands and knees on gym mats raising torsos under supervision of instructor

Young female instructor sitting and supporting African American short haired woman doing plank exercise with rubber expander in fitness club against mirror