Spine rounds dramatically — can't maintain the V
Hip flexors and core lack the strength to hold the extended position.
Overactive muscles
Hip flexorsErector spinae
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗Core · Core
V-Sit (Isometric Hold)
Coaching cues
- Sit on the floor; lean the trunk back and raise both legs — V position
- Hands at the sides or reaching forward; hold the position
- Balance on the tailbone; keep the spine as long as possible
- Breathe steadily — hold for time
Common faults 2
Legs drop below 45 degrees
Hip flexors fatigue; the V angle collapses — reduce hold time rather than let form break.
Overactive muscles
Hip flexorsRectus femoris
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗