Some cool Yoga fitness images:

Plank Tree Pose
Yoga fitness
Image by Shar Ka

Crossed Ankles Arm Balance
Yoga fitness
Image by Shar Ka
This pose builds strength for more advanced arm balancing. Just slightly lifting buttocks of the floor requires strong core and bandhas (energy locks). It’s extremely difficult for people who got with short arms like me. .

3legged Down Dog w
Yoga fitness
Image by Shar Ka