Tuck crunch balik (Angkat lutut datar, Tuck reverse crunch, Flat knee raises)

Name: Tuck crunch balik demo
Uploaded: 2026-06-05T16:31:59.120Z
Duration: 18 s
Description: Pohon Keterampilan: Tuck crunch balik. Progresi: Reverse crunch kaki lurus, Crunch ganda, Crunch tubuh silang, Sepeda dengan bola stabilitas. Regresi: Tuck crunch balik.