Giovane adolescente formazione sulla panchina per sit up a casa. Essere in forma e sano, allenamento dei muscoli dello stomaco. - Foto e immagini stock

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young teenage woman training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Unrecognizable woman wearing black leggings and long school looking socks training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Unrecognizable woman wearing black leggings and long school looking socks training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Unrecognizable woman wearing black leggings and long school looking socks training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young blonde woman in sportswear sitting on wooden floor indoor stretching legs. Training at home, being fit and healthy.

Young blonde woman in sportswear sitting on wooden floor indoor stretching legs. Training at home, being fit and healthy.

Young blonde woman in sportswear sitting on wooden floor indoor stretching legs doing twine. Training at home, being fit and healthy.

Unrecognizable woman wearing black leggings and long school looking socks training on bench for sit ups at home. Being fit and healthy, stomach muscles workout.

Young blonde woman in sportswear sitting on wooden floor indoor stretching legs. Training at home, being fit and healthy.