samhanana

saṃhanana — well-built body; SB 5.2.21
saṃhanana-ańgaḥ — whose limbs were firm; SB 5.9.9-10
saṃhanana-ańgaḥ — having very firm limbs; SB 5.10.1
saṃhanana-ańgaḥ — having a firm, tolerant body; SB 5.10.6
vajra-saṃhanana — by bodies as solid as thunderbolts; SB 5.17.12