Knees cave under the sustained hold
Adductors and TFL dominate as the glutes fatigue under the isometric.
Overactive muscles
Adductor complexTFL
Corrective work
Foam RollAdductors↗Foam RollTFL↗StretchButterfly adductor stretch↗Squat · Lower Body
Wall Squat (Isometric Hold)
Coaching cues
- Back flat against a wall; thighs parallel to floor; shins vertical
- Hold for time — 30 to 90 seconds
- No hands on the thighs; breathe steadily
- Drive the heels into the floor; engage the quads fully
Common faults 2
Sliding down too low — feet too close
Knees travel forward past vertical; patellar tendon is overloaded.
Overactive muscles
SoleusGastrocnemius
Corrective work
Foam RollCalves↗StretchWall calf stretch↗