Half Lord of the Fishes is good for stretching your outer hips and thighs, opening your shoulders and chest, building strength in your upper back, lengthening your spine, and stretching the front of your thighs. It can also help stimulate digestion.
Half Lord of the Fishes Pose (Ardha Matsyendrasana) (yogajournal.com)

Sit on floor with legs stretched out.
Cross right foot over left leg anywhere it will meet the floor.
Hug the left arm around the leg, placing the right hand behind you, near to your back.
Keep spine straight
Gaze over right shoulder only if neck is comfortable
On every inhale lift a little more through the sternum.
On every exhale deepen twist, be careful not to use force or arms to force twist.
Benefits, Energizes the spine and stimulates digestive fire
Modifications, Use a wall. Hug knee rather than press arm against it.
Contraindications, Pregnancy, back or spinal issues.
