Should I stop training if I have joint pain?

Not necessarily. Sharp, severe pain with a mechanism of injury, significant swelling, or instability should prompt clinical evaluation before continuing. But dull, achy, or activity-related joint pain that is reproducible in specific ranges of motion is usually a load management or movement quality issue. The appropriate response is finding tolerable loading positions and continuing to train within them — not complete rest. Connective tissue adapts through loading, not rest, and most joint pain is prolonged by complete cessation rather than resolved by it.

Can you still build muscle with bad knees or hips?

Yes. The goal is finding loading positions that do not provoke the painful tissue, training within those windows, and progressively reloading. For knee pain: box squats, leg press, split squats, and step-ups often allow continued quad and glute loading when bilateral squats are painful. For hip pain: modifying stance, depth, and hip position allows continued lower-body training. The pattern (squat, hinge, push, pull) matters more than the specific exercise — there are almost always exercise variations that load the target muscles without provoking the painful structure.

What exercises should I avoid with bad knees?

Avoid exercises that reliably reproduce or worsen pain — this varies by the specific structure involved. For patellofemoral pain: deep knee flexion under load and any exercise that causes pain under or around the kneecap. For patellar tendinopathy: heavy plyometrics and maximal knee flexion under load in the early stages. The goal is not permanent avoidance — it is progressive reload through tolerable ranges. A physiotherapist who works with strength athletes can identify specific modifications for your pain pattern and build a loading plan.

Exercise for health

Training with joint pain: how to keep lifting without making it worse

How to identify whether joint pain is a reason to stop training or a reason to modify it, and the principles for maintaining strength progress while managing common pain patterns in the knees, hips, and shoulders.

5 min read · by Matt Loenhart, M.S. Kinesiology, CSCS · educational content, not medical advice

The difference between pain that should stop you and pain that should not

Sharp, severe pain that onset suddenly during training — particularly with a mechanism of injury (a fall, a miss, a pop) — requires stopping training and clinical evaluation before returning.
Swelling, significant instability, or pain that prevents weight-bearing indicates potential structural damage and needs imaging and clinical clearance.
Dull, achy, or stiffness-type pain that is present at rest and reduces with movement is usually not a contraindication to training. It is often a sign of underloading or movement quality issues.
Pain that is reproducible, in a specific range of motion, but tolerable at lower loads or in modified positions is a load management problem — not a reason to stop training.
When in doubt, the appropriate action is clinical evaluation — not internet self-diagnosis. A physiotherapist or sports medicine physician can identify what is causing the pain and whether training should be modified or stopped.

Knee pain and training modifications

The most common causes of training-related knee pain are: patellofemoral pain syndrome (pain under or around the kneecap), IT band friction syndrome, and patellar tendinopathy.
Deep knee flexion (below parallel squats) is often provocative for patellofemoral pain. Modifying to box squats, goblet squats to a comfortable depth, or leg press allows continued quadriceps loading without the provocative range.
Step-ups and split squats are often well-tolerated when bilateral squatting is painful, because they allow load management and range-of-motion control.
Strengthening the glutes and VMO (inner quad) is typically the highest-value intervention for knee pain — weakness in these areas is the most common contributor to patellofemoral tracking issues.
Avoid complete rest for patellofemoral pain — tissue adaptation requires loading. The prescription is gradual, tolerable loading, not cessation.

Hip pain and training modifications

Hip pain in adults is often from femoroacetabular impingement (FAI), hip flexor irritation, or gluteal tendinopathy — each with different loading considerations.
Deep hip flexion at high load (barbell squats below parallel, deep hip hinge) can be provocative for FAI. Modifying squat depth and stance width often allows continued training without provocation.
Gluteal tendinopathy is worsened by hip adduction and stretch loads — avoiding deep hip cross-body stretches and compressive positions is typically necessary during a flare.
Strengthening the hip abductors (glute med, TFL) through isometric and isotonic loading at tolerable ranges is the core rehabilitation approach for most hip tendinopathies.
Hip pain that is reproduced at rest, with specific passive movements, or that follows a mechanism of injury (a fall, significant impact) should be evaluated clinically before continued training.

Shoulder pain and training modifications

Shoulder pain during overhead pressing or pulling often relates to rotator cuff irritation, subacromial impingement, or AC joint issues — distinguishable by which movements provoke symptoms.
If overhead press is painful but horizontal press is not, substitute dumbbell bench press, neutral-grip floor press, or landmine press until overhead capacity is restored.
Rows and pull-downs to the chest (rather than behind the neck) are typically well-tolerated when overhead loading provokes symptoms.
Rotator cuff strengthening — external rotation, face pulls, band pull-aparts — should be a consistent component of any upper-body program, particularly for adults with history of shoulder pain.
Avoid training through sharp anterior shoulder pain with heavy loading — the biceps tendon and labrum are at risk and require clinical evaluation if pain is sharp or progressive.

The progressive reload principle

Once a tolerable loading position is identified, the prescription is gradual reload: starting with loads that produce no more than a 3–4 out of 10 pain during or after training, and progressing incrementally.
Complete pain during training is not the goal — tolerance to progressive load is. Minor discomfort that decreases during warm-up and does not worsen after the session is typically acceptable.
If pain is higher after a session than before it — or if soreness is still present the next day at the painful joint (not general DOMS) — the load is too high and needs to be reduced.
Most connective tissue (tendons, cartilage, ligaments) has limited blood supply and adapts slowly. Expect 8–12 weeks of consistent, progressive loading before meaningful structural adaptation occurs.
Working with a physiotherapist or sports medicine clinician who understands resistance training is the most effective path for persistent or complex joint pain.

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