Machine training after 50: swap lifts when joints hurt
In short
Bryan Krahn, 53, advises changing an exercise as soon as a joint feels wrong. Machines let you focus force on the muscle near failure; sled pushes for 2–3 sets of 30 seconds offer a power warm-up without jumping. Keep walking daily.
A joint that hurts is a reason to change the exercise during that session, says trainer Bryan Krahn, 53. Speaking on Men's Health's Strong Talk, the Max Muscle at 50 creator recalled taking time off when barbells and dumbbells began bothering his joints about a decade ago. After moving to machines, he reported being pain-free and strong on them within four or five months. That is his experience, rather than a recovery deadline for anyone else.
Can a machine still provide a demanding workout?
A fixed track reduces the balance problem and lets attention go toward producing muscular force. MH fitness director Ebenezer Samuel, C.S.C.S., says beginners often struggle to generate that force with free weights; one machine exercise near the end of a routine can let them explore their limits. Krahn now does much less barbell bench pressing, yet trains four or five days a week and carries a muscular physique of about 95 kg. Machines helped him enjoy training again.
Which variations can replace an uncomfortable lift?
| Original movement | Swap to consider |
|---|---|
| Skull crusher | Triceps pressdown |
| Supinated dumbbell curl | Hammer curl |
| Plyometrics | Warm-up: sled push, 2–3 sets × 30 seconds |
| Free-weight back and leg work | Cable row and leg press |
Exercise physiologist and strength coach Dr. Pat Davidson cautions against emotional attachment to a particular lift. Krahn kept building his arms after replacing skull crushers and supinated curls. The leg press offers relatively heavy loading for the quads, glutes and hamstrings without requiring a barbell squat. For a related selection problem, see knee-friendly leg training.
How can you put this into the next session?
- When a joint hurts, change to a pain-free variation in that same session.
- Place one machine exercise near the end and work hard toward muscular failure without joint pain.
- Begin with 2–3 sled pushes lasting 30 seconds each as a warm-up.
- Set aside at least 15 minutes for walking every day.
Sled pushes train rapid force through hip, knee and ankle extension together, without the landing impact of jumps. Krahn uses them as a warm-up, especially on upper-body push days. If your gym has no sled, skip that element. His daily walk also breaks up sedentary time and offers a mental break: even with only 15 minutes available, he walks. Load selection is addressed separately in training below a known limit.
What should you log while barbell progress is paused?
In fairlift training notes, keep leg press and cable row as separate exercises with their own loads and reps. That preserves a view of progress even while Big 3 records are paused. The Muscle Index calculator uses only Big 3 1RMs and includes an age coefficient from 40 onward. Machine lifts do not contribute to that score; a better leg press is progress in that exercise, not a new squat 1RM.
This is one trainer's practice with expert commentary, not a trial. Machines still carry injury risk, and persistent pain calls for assessment by a healthcare professional.
Frequently asked questions
Should you wait until the next workout when a joint hurts?
Bryan Krahn advises changing the variation during the same session as soon as something feels wrong. Persistent pain needs assessment by a healthcare professional.
Must every machine set reach failure?
No blanket requirement to reach failure follows from this advice. Samuel suggests one machine exercise near the end of a routine to focus muscular effort and approach your limits.
What if the gym has no sled?
Skip sled pushes if the equipment is unavailable. The suggested warm-up is 2–3 sets of 30 seconds, not a reason to force painful jumps into the session.
Do machine records count toward Muscle Index?
Machine lifts do not count toward Muscle Index, which uses Big 3 1RMs. Log leg press and cable row loads and reps as separate exercises instead.
Source: Men's Health (published )