Check out Man lifting dumbbell 386 Low-poly 3D model on CGTrader for $30. High-quality Polygon mesh mesh by deep3dstudio: 150010 polys, 74999 vertices. PBR, Textured, UV Mapped.
ZTL (Zbrush, filesize: 646 MB), OBJ (OBJ, filesize: 646 MB), FBX (Autodesk FBX, filesize: 646 MB), C4D (Cinema 4D, filesize: 646 MB), STL (Stereolithography, filesize: 646 MB)