Strength Training and Osteoporosis — The Most Important Exercise You Can Do | OJMB
Health and Longevity

Strength Training
and Osteoporosis —
The Most Important
Exercise You
Can Do

Osteoporosis is commonly managed with medication and the advice to walk more. Walking helps. Progressive resistance training helps more — producing mechanical loading at precisely the skeletal sites most vulnerable to fracture, through a mechanism that neither walking nor medication can replicate.

Osteoporosis — the reduction in bone mineral density to the point where fracture risk from normal activity or minor falls becomes clinically significant — affects approximately three million people in the United Kingdom, the majority of them women over fifty. Osteopenia, the stage of reduced bone density preceding the osteoporosis threshold, affects a further significant proportion of the over-50 population who have not yet received a formal diagnosis but whose bone density is already on the trajectory that leads to it. For both groups, the most common exercise recommendation from general health guidance is walking — which is beneficial and correct, and which is significantly less effective for bone density maintenance and improvement than progressive resistance training.

The mechanism of bone remodelling requires mechanical loading — specifically, the compressive and tensile forces that muscle contractions apply to bone during resistance exercises. Walking applies these forces at low magnitude. Progressive compound resistance training — the squat, deadlift, and overhead press — applies them at high magnitude, at precisely the skeletal sites most relevant to the fractures that make osteoporosis a survival risk: the hip, the lumbar spine, and the wrist. The bone remodelling stimulus that high-magnitude loading produces at these sites is orders of magnitude greater than the stimulus that walking produces — and it is this stimulus that the research shows can maintain, arrest the decline of, and in some studies modestly improve bone mineral density in people with osteoporosis and osteopenia.

This page makes the specific evidence-based case for progressive resistance training as the most important exercise intervention available for osteoporosis management, explains the mechanisms through which bone responds to mechanical loading, addresses the safety considerations that make this training applicable with a diagnosis, and gives the programme that delivers the most important bone-loading stimulus in the most appropriate form for this audience.

Important — osteoporosis, medication, and medical clearance

This page provides evidence-based information about resistance training and osteoporosis for educational purposes. It is not medical advice. Anyone with a diagnosis of osteoporosis or osteopenia should discuss beginning a resistance training programme with their GP or a physiotherapist before starting — particularly if they have previously sustained a fragility fracture. The programme on this page is designed for the person with osteoporosis who has no recent fracture and no spinal compression fracture history. Modifications may be required for those with specific fracture histories, and a physiotherapist with bone health experience can advise on individual modifications.

The evidence — what progressive resistance training produces for bone density

The bone density evidence for resistance training in people with osteoporosis
is consistent, clinically meaningful, and increasingly reflected in clinical guidelines.

Bone mineral density — measured by DEXA scan and expressed as a T-score — declines with age in all adults, with the most rapid decline occurring in women in the post-menopausal period and a slower but significant decline continuing in men and women throughout the sixth and seventh decades. The research on progressive resistance training and bone mineral density in people with osteoporosis and osteopenia shows that consistent training can arrest or slow this decline, maintain bone density at current levels, and in several well-designed trials produce modest but statistically significant increases in bone mineral density at the hip and lumbar spine — the two sites most directly associated with the fractures that carry the highest mortality risk in the over-70 population.

Six evidence findings for resistance training in osteoporosis and osteopenia

Each finding is drawn from research specifically in adults with osteoporosis or osteopenia. Each establishes the case for resistance training as the primary exercise intervention for this condition.

Bone mineral density maintained or improved

Meta-analyses of resistance training in postmenopausal women with osteopenia or osteoporosis consistently show that progressive resistance training maintains or modestly increases bone mineral density at the lumbar spine and hip — the two sites most clinically relevant for fracture risk. The effect size is small in absolute terms — typically one to two percent improvement at the lumbar spine — but clinically meaningful because it represents the difference between continued decline and arrested or reversed decline at the most important fracture sites.

Falls risk reduced independently of bone density

Progressive resistance training reduces falls risk in people with osteoporosis through improvements in lower body strength, balance, reaction time, and the neuromuscular coordination that produces the rapid postural corrections that prevent a stumble from becoming a fall. This falls prevention effect is independent of — and additive to — the bone density effect. A person with osteoporosis who does not fall does not fracture, regardless of their T-score. Falls prevention may be as clinically important as bone density improvement in this population.

Superior to aerobic exercise for bone density

Direct comparison studies between resistance training and aerobic exercise for bone density in postmenopausal women with osteoporosis consistently show resistance training producing larger bone mineral density improvements — particularly at the hip and lumbar spine. Walking, swimming, and cycling produce cardiovascular benefits and general health improvements that are valuable in this population, but the mechanical loading they apply to bone is insufficient to produce the remodelling stimulus that progressive resistance loading provides.

Bone quality improved beyond density

Bone mineral density, as measured by DEXA scan, captures one dimension of bone health — the mineral content of the bone tissue. Bone quality — the microarchitecture of the trabecular bone network, the degree of bone turnover activity, and the geometric properties of the cortical bone shell — is increasingly recognised as equally important to fracture risk. Progressive resistance training improves several markers of bone quality beyond bone mineral density, including trabecular bone score and bone turnover markers that reflect active remodelling toward stronger bone structure.

Effective alongside medication

Progressive resistance training produces bone density benefits that are additive to those of the bisphosphonate medications — alendronate, risedronate, and others — most commonly prescribed for osteoporosis management. The combination of medication and resistance training produces better bone density outcomes than medication alone across multiple studies — confirming that exercise is not a substitute for appropriate pharmacological management but a complementary intervention that enhances the medication's effect.

Safe with appropriate modifications

Multiple well-designed trials of progressive resistance training in people with osteoporosis have confirmed its safety with appropriate exercise selection and progressive loading — producing the bone remodelling benefits without the fracture risk that the osteoporotic skeleton might theoretically present. The key safety considerations are exercise selection that avoids high spinal flexion under load, progressive loading that respects the connective tissue adaptation rate, and fall prevention within the training environment itself — all of which are addressed in the programme and safety section below.

The mechanisms — how bone responds to progressive loading

Bone is living tissue that remodels continuously in response to the mechanical forces
applied to it. The training stimulus directs that remodelling toward greater density and strength.

Bone is not static mineral — it is living tissue that is continuously broken down by osteoclasts and rebuilt by osteoblasts in a remodelling cycle that responds to the mechanical forces applied to it. When mechanical loading is absent or insufficient — as in prolonged bed rest, low-impact lifestyle, or the unloaded state of limbs in casts — the remodelling cycle shifts toward net resorption and bone density declines. When mechanical loading is present and progressive — as in resistance training that increases loading over time — the remodelling cycle shifts toward net formation and bone density is maintained or increases. This is the mechanostat principle: bone remodels to the level of loading it regularly experiences.

Four mechanisms through which progressive loading stimulates bone remodelling

Each mechanism is distinct and independently documented. Together they explain why progressive resistance loading is more effective than walking for bone remodelling at the sites that matter most for fracture prevention.

Osteocyte mechanosensing

Osteocytes — the most abundant bone cells, embedded within the mineralised bone matrix — detect the deformation of bone under mechanical load through their dendritic processes that extend through the bone canalicular network. When bone is deformed by mechanical loading, osteocytes signal to osteoblasts to increase bone formation at the loaded site. This mechanostat mechanism is the primary pathway through which exercise loading is translated into bone remodelling — and it requires loading above the habitual level to produce a remodelling response beyond maintenance.

Strain magnitude and rate

The bone remodelling response to mechanical loading is determined by both the magnitude of the strain produced in the bone tissue and the rate at which that strain is applied. High-magnitude, high-rate loading — the compressive and tensile forces produced by heavy compound exercises — produces a larger remodelling stimulus than low-magnitude, low-rate loading at the same frequency. This is the mechanistic reason why progressive resistance training produces larger bone density responses than walking: the strain magnitude and rate of the squat and deadlift substantially exceed those of walking at any speed.

Site specificity of loading

Bone remodelling in response to mechanical loading occurs at the specific skeletal site that is loaded — not systemically throughout the skeleton. The squat and deadlift load the hip and lumbar spine — the two sites most clinically relevant for osteoporotic fracture risk. The overhead press loads the shoulder and upper spine. The loaded carry loads the hip, spine, and wrist simultaneously. Exercise selection for osteoporosis management is therefore not arbitrary — it should specifically target the skeletal sites where bone density maintenance is most clinically important.

Muscle force as the primary loading mechanism

The forces that load bone during resistance training are produced primarily by the muscles that attach to it — not by the weight being lifted directly. When the quadriceps contract to extend the knee during a squat, they apply forces to the femur and tibia that substantially exceed the compressive force of the barbell load alone. This muscle-force mechanism means that the bone loading produced by a squat at eighty kilograms is far greater than the eighty kilograms of external load — and that building the muscular strength to produce greater muscle forces is as important as the external load for bone remodelling stimulus.

The programme — the most bone-relevant exercises with osteoporosis-specific considerations

The exercises are compound movements that load bone at the hip, spine, and shoulder girdle.
The modifications reflect the specific safety considerations of an osteoporotic skeleton.

The compound movements that form this site's training foundation are also the most effective available exercises for bone loading at the sites most relevant to osteoporotic fracture risk. The squat and deadlift load the hip and lumbar spine. The overhead press loads the shoulder girdle and upper spine. The loaded carry loads all three simultaneously. These movements need no substitution for the person with osteoporosis — they need appropriate loading progression and the specific technique considerations that the osteoporotic skeleton requires.

The primary modification for the person with osteoporosis is the avoidance of high spinal flexion under load — particularly loaded forward bending at the trunk, which applies tensile forces to the anterior vertebral bodies that are most vulnerable to compression fractures in osteoporotic bone. This means that exercises like the good morning, the bent-over barbell row with a deeply hinged torso, and any exercise that combines significant spinal flexion with external loading are avoided in favour of the hip-hinge dominant movements that maintain a neutral spine throughout.

The osteoporosis programme — two sessions per week with bone-loading priority

Twenty-minute warm-up minimum. Two working sets per exercise. Three to four minutes rest between sets. Conservative loading progression — smallest available increment when all sets are completed with perfect technique. Medical clearance before beginning.

Session A — Hip, spine and shoulder loading
  • Box squat or goblet squat — 2 sets · 10–12 reps. The primary hip and lumbar spine loading exercise. The squat applies compressive forces to the femoral neck and lumbar vertebrae — precisely the sites most relevant to osteoporotic fracture risk and most responsive to mechanical loading stimulus. The goblet squat with anterior dumbbell load maintains a more upright torso than a barbell back squat, reducing the spinal compressive forces while preserving the hip and femoral loading. Progress load conservatively and maintain neutral spine throughout every repetition.
  • Romanian deadlift — dumbbell or trap bar — 2 sets · 10–12 reps. The hip hinge that loads the posterior chain and applies forces to the hip and lumbar spine through the muscle contractions of the glutes and hamstrings. The Romanian deadlift with dumbbells or a trap bar is preferred over the conventional barbell deadlift because it allows a more upright torso position that reduces lumbar flexion under load. The neutral spine position throughout the movement is the non-negotiable technical requirement — do not allow lumbar rounding at any point in the range.
  • Overhead press — seated with dumbbells — 2 sets · 10–12 reps. The vertical pressing movement that loads the shoulder girdle, upper spine, and thoracic vertebrae — sites that are relevant to osteoporotic fracture risk but less commonly addressed by exercise programmes focused primarily on hip and lumbar spine loading. Seated with dumbbells provides back support that allows the pressing pattern without the balance demand or the potential for lumbar hyperextension that the standing version can produce.
  • Farmer's walk — 2 carries · 15–20 metres. The loaded carry that simultaneously loads the hip, spine, shoulder girdle, and wrist — the four most clinically relevant skeletal sites for osteoporosis management — through the sustained muscle contractions that maintain posture and grip against the loaded resistance. No other single exercise in the programme applies mechanical loading to as many clinically relevant bone sites simultaneously.
Session B — Pull, carry and core stability
  • Single-arm dumbbell row — supported — 2 sets · 10–12 reps each side. The horizontal pulling movement performed with the non-working hand and knee supported on a bench — the support position eliminates the need for the trunk to resist rotation under load and removes the spinal flexion concern of the unsupported bent-over position. Upper back development that resists the postural rounding that is both a risk factor for vertebral compression fractures and a consequence of the thoracic kyphosis that often accompanies osteoporosis.
  • Lat pulldown — cable machine or resistance band — 2 sets · 10–12 reps. The vertical pulling movement that develops the lats and upper back while applying tensile forces through the shoulder girdle. The lat pulldown is preferred over the pull-up for the person with osteoporosis because the adjustable external load allows precise control of the loading magnitude — important when beginning a bone-loading programme on a skeleton whose response to new loading requires conservative progression.
  • Wall press or incline push-up — 2 sets · 10–15 reps. The horizontal pressing movement in a modified form that is particularly appropriate for the person with osteoporosis beginning upper body pushing training. The wall press — pressing from a standing position against a wall — and the incline push-up both apply wrist and shoulder loading at a fraction of the bodyweight load of a floor push-up, while stimulating bone formation at the wrist — one of the three most common osteoporotic fracture sites alongside the hip and spine.
  • Dead bug — 2 sets · 30–40 seconds. Core stability in the supine position — the most appropriate core training position for the person with osteoporosis because it avoids the spinal flexion under load that sit-ups, crunches, and some plank variations produce. The dead bug specifically trains the anti-extension and anti-rotation stability that protects the lumbar spine during all compound loading, while the supine position applies no compressive or tensile forces to the vertebral bodies.
Safety considerations — specific to the person training with osteoporosis

Progressive resistance training is safe for people with osteoporosis with appropriate
exercise selection, conservative loading, and the specific precautions this condition requires.

Six safety considerations for training with osteoporosis

Each consideration addresses a specific aspect of the osteoporosis context. Together they make the programme on this page appropriately safe for the person with a confirmed diagnosis.

  • Avoid high spinal flexion under load — the most important safety modification for the person with osteoporosis. Loaded spinal flexion — particularly at the lumbar and thoracic spine — applies tensile forces to the anterior vertebral bodies that are most vulnerable to compression fractures in osteoporotic bone. Movements that combine significant trunk forward bending with external loading — including the good morning, the Jefferson curl, and the bent-over barbell row with deep hip hinge — are avoided. All exercises in the programme above are designed to maintain a neutral or extended spine under load
  • Begin at very conservative loads — lower than feels challenging — and progress more slowly than the standard programme would suggest. The bone remodelling response to new loading takes weeks to manifest as structural adaptation. The connective tissue adaptation that must accompany bone adaptation takes equally long. Beginning conservatively and progressing slowly allows both adaptations to occur in parallel rather than having loading outpace adaptation and produce the stress fracture risk that excessive loading on osteoporotic bone can create
  • Prioritise fall prevention in the training environment — the training session itself should be designed to minimise fall risk. This means training in an uncluttered space, using a stable non-slip surface, avoiding overhead loading that requires balance that a fall could disrupt, and never training to technical failure at weights that could be dropped or that could destabilise balance if a repetition is missed. The injury that the training is preventing must not be introduced by the training environment itself
  • Coordinate with the prescribing physician — the GP or rheumatologist managing the osteoporosis should be informed when resistance training begins. Bisphosphonate medication and resistance training are complementary — the medication reduces bone resorption while training stimulates bone formation — and the combination produces better outcomes than either alone. The physician can also provide guidance on any specific exercise contraindications that the individual's bone density scan or fracture history may require
  • Avoid impact and twisting movements — high-impact activities and rotational loading under weight are the exercise types most associated with fracture risk in osteoporotic bone. The programme above avoids both — all movements are controlled, bilateral or supported, and involve progressive linear loading rather than rotational or impact forces. If other exercise activities — dancing, racket sports, or high-impact fitness classes — are part of the activity profile, discuss their suitability with a physiotherapist in the context of the specific bone density scan results
  • Progress the loading — the bone remodelling stimulus requires loading above the habitual level to produce a response beyond maintenance. The consistent application of progressive overload — adding the smallest available increment when the current load is manageable with perfect technique — is what produces the bone formation response across months and years. Training at the same weight indefinitely maintains current bone density at best. Progressive loading is what produces the improvement that the evidence documents

Osteoporosis is not a reason to avoid loading the skeleton. It is a reason to load it more carefully, more consistently, and more specifically than general health advice typically recommends. The bone that is progressively loaded remodels toward the loading it receives. The bone that is protected from all loading continues the decline that protection cannot reverse. Progressive resistance training, applied with the precautions this page describes, is the most important exercise intervention available. Begin carefully. Progress consistently. Let the bone respond to the work.

The full longevity and survival argument — including the hip fracture mortality data that makes bone density maintenance one of the most urgent health priorities in the over-60 population — is made on the Strength Training and Longevity page.

The programme built around bone-relevant compound movements

The Minimum 12

Twelve fundamental compound movements — the progressive resistance training that applies mechanical loading at the hip, spine, shoulder girdle, and wrist through the muscle contractions that stimulate bone remodelling at every clinically relevant site. The programme applied consistently with the safety considerations on this page is the most effective lifestyle intervention available for osteoporosis management.

Get The Minimum 12 — £19 Instant download · PDF · 18 pages · One-time payment