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TrainersEye · After a Hip or Knee Replacement
Joint Replacement I
Trainer's Eye
Phase 3 · Strength · Session I

The muscle
is weaker
than you think.

Phase 3 opens on real strengthening — because the deficit around a new joint stays for years unless it is trained deliberately.

  • Isession
  • P3Strength
  • 12:00on the clock
  • — donecompleted

Quadriceps shut down

Quadriceps strength drops sharply after a knee replacement and, without specific training, stays below the other leg for years.

Strength deficits persist

Studies following knee replacements find strength and function still below age-matched norms years later in people who did not keep training. That is a training problem, not a surgical one.

The other leg matters

The unoperated side has been compensating for years and is often weak too. Training both is not optional.

Three couplets · two rounds · twelve minutes · a joint that works again

A

Stand loaded

Loaded sit-to-stand + mini squats
A1

Loaded sit-to-stand

60 s · slow reps

Bag hugged at the chest; stand and lower under control, arms crossed if you can.

Easier bodyweight  ·  Harder heavier

R1R2—
A2

Mini squats

15 reps · ×2

Hands on the counter; bend the knees a quarter of the way and stand tall again.

Easier smaller bend  ·  Harder hold a bag

R1R2
B

Step

Step-ups with control + step-downs slow
B1

Step-ups with control

60 s · slow reps

Step up in one second, down in three — the slow lowering is where the thigh is built.

Easier lower step  ·  Harder hold a bag

R1R2—
B2

Slow step-downs

10 reps · ×2

Lower the free foot to the floor over three seconds, then step back up.

Easier lower step  ·  Harder higher step

R1R2
C

Hip

Bridging + side-lying abduction
C1

Bridging — full range

60 s · slow reps

Feet flat; drive the hips up to a straight line and lower with control.

Easier smaller lift  ·  Harder 3-s hold

R1R2—
C2

Side-lying hip abduction

12 reps · ×2

Lying on the good side; lift the operated leg with the toes forward, no rolling back.

Easier smaller lift  ·  Harder 2-s hold

R1R2

The clock

Round 1settle in — 70%, perfect tracking
0:00A1 → A2
2:00B1 → B2
4:00C1 → C2
Round 2own it — beat Round 1 by quality
6:00A1 → A2
8:00B1 → B2
10:00C1 → C2

Each couplet: 60 s scored → the loading set → 10 s to move on. Done at 12:00.

How to run it

  1. The muscle around a replaced joint is weaker than you think, and it stays weak for years unless it is trained.
  2. Two clean sessions at a level earn the next. Progress the version, not the repetitions.
  3. Aching muscles the next day are fine. A joint that is hotter and more swollen the next day is not.
  4. Train both legs. The other one has been compensating for a long time.

Tick it off

MovementRound 1Round 2Best
A1Loaded sit-to-standslow reps in 60 s —
A2Mini squats15 reps
B1Step-ups with controlslow reps in 60 s —
B2Slow step-downs10 reps
C1Bridging — full rangeslow reps in 60 s —
C2Side-lying hip abduction12 reps
Session time
StreakDay —
Client / Patient
Coach / Clinician signature
Date
TE-12-JOINTREPL-I