Terminal Knee Extension
Terminal knee extension (TKE) isolates the last 10–15 degrees of knee straightening — the range where the VMO (vastus medialis oblique) works hardest. It’s a staple in knee rehab and a valuable warmup drill for anyone with patella tracking issues or post-exercise knee soreness.
Setup
- Loop a resistance band around a sturdy anchor point at knee height.
- Step into the band so it sits behind your knee (in the crease of the joint).
- Walk forward until there’s moderate tension on the band pulling your knee into a slight bend.
- Stand on the banded leg with a soft knee. Your opposite foot can rest lightly on the floor for balance.
Execution
- From the slightly bent position, drive your knee to full extension by squeezing your quad hard.
- Hold the locked-out position for 2–3 seconds, focusing on contracting the inner quad (VMO).
- Slowly allow the band to pull your knee back to the start position.
- Repeat for all reps, then switch sides.
Coaching Cues
What to feel:
- A strong contraction in the quadriceps, especially near the inner knee
- The kneecap tracking straight as you extend
Common mistakes:
- Hyperextending the knee — lock out firmly but don’t slam into end range
- Leaning your torso forward — stay tall with your hips stacked over the ankle
- Using a band that’s too heavy — you should be able to control the movement smoothly
Tip
Squeeze your quad at the top like you’re trying to push the back of your knee into someone’s hand behind you. That cue locks in the VMO.
Warning
If you have acute knee swelling or a recent meniscus injury, check with a physio before performing TKEs. The exercise is generally safe, but full extension under resistance can aggravate certain acute conditions.
Video and animated demos coming soon.
Programming
| Parameter | Recommendation |
|---|---|
| Reps | 15–20 per side |
| Sets | 2–3 |
| Tempo | 2 seconds up, 2–3 second hold, 2 seconds down |
| Frequency | Daily, or as part of a knee-focused warmup |
| When to do it | Pre-squat warmup, knee rehab sessions, morning routine |
Progressions
- Beginner: Use a light band. Focus on the squeeze at full extension rather than speed.
- Intermediate: Increase band resistance. Add a 3–5 second isometric hold at lockout.
- Advanced: Perform on an unstable surface (foam pad) or combine with a single-leg balance hold at the top.