Knees don't reach hip height
Hip flexors and abs lack the power for true high-knee mechanics.
Overactive muscles
Hip flexorsErector spinae
Corrective work
Foam RollHip flexors↗StretchHalf-kneeling hip flexor stretch↗Sport · Full Body
High Knees
Coaching cues
- Run in place; drive each knee to hip height
- Stay on the balls of the feet; fast ground contacts
- Arms drive at 90°; maintain tall posture
- Develops hip flexor power and sprint turnover rate
Common faults 2
Trunk leans backward
Body falls back to counterbalance the knee drive.
Overactive muscles
Erector spinaeHamstrings
Corrective work
Foam RollErector spinae↗StretchHamstring stretch with strap↗