Hamstrings
Calves, Lower Back
Watch Tutorial
https://www.youtube.com/shorts/TNIzeFpIgDQ
https://www.youtube.com/shorts/kQkqOXFHTKE
https://www.youtube.com/shorts/a23S0trHUlc
https://www.youtube.com/shorts/aZF7dWgprm4
https://www.youtube.com/shorts/wV-jJc9KUXQ
https://www.youtube.com/shorts/5ejtXLl0GbA
Sit floor, legs straight.
Partner behind, hands on shoulders.
Lean forward from hips, back straight.
Try push torso back against partner (isometric) 10-20s.
Relax. Partner gently pushes torso forward. Hold 15-30s.
Feel hamstring stretch.