Muscle synergies alterations during irregular ground walking in Parkinson?s Disease with and without freezing of gait - ?rem Akgün; Marina Algaba-Vidoy; Adriana Torres-Pardo; Carlota Trigo-La Blanca; Francisco Molina?Rueda; María Carratalá?Tejada; Diego Fernández?Vázquez; Víctor Navarro?López; Filipe Oliveira-Barroso; Diego Torricelli (GAIT & POSTURE, 2025)