BioDensity osteogenic loading — reverse bone loss in 90 seconds a week
Brief, high-force isometric contractions against a calibrated load cell rebuild bone density. Supervised at Strength Lab Plus Naples and paired with REMS bone tracking.
BioDensity is an osteogenic loading device that uses brief, voluntary isometric contractions against a calibrated load cell to deliver bone-building force multiples of body weight. A complete session contains four exercises, each lasting under five seconds, performed once per week. Peer-reviewed research reports lumbar spine BMD gains of approximately 14% over 12 months.
The one modality engineered for the osteogenic threshold.
BioDensity exceeds the force threshold bone needs to rebuild — roughly 4.2 multiples of body weight at the hip (Hunte et al., 2015). You press, pull, or push against a fixed bar for under five seconds per exercise. The platform measures every newton you produce.
Four exercises, one session per week, total work time under 90 seconds. At Strength Lab Plus, your provider pairs BioDensity with quarterly REMS to verify the bone response.
What BioDensity delivers
Each benefit is bracketed to a peer-reviewed citation, PMID, or manufacturer specification.
14.9% lumbar spine BMD gain
Mean lumbar spine bone-mineral-density increase over 12 months of weekly sessions in published cohort data.
[Jaquish et al., J Osteoporos Phys Act 2013 — PMID 24587977]
7.0% femoral neck BMD gain
Mean femoral neck BMD increase in postmenopausal women — the hip site where fractures cost the most.
[Jaquish, Osteoporosis Int. 2015]
Under 90 seconds of working time
Total contraction time across four exercises fits into less than 90 seconds. One supervised session per week.
[BioDensity Clinical Operating Manual, 2023]
Force measured every newton
The load cell reads your output in real time — you see a force curve, not a generic rep count.
[Performance Health Systems, BioDensity datasheet]
No medication side effects
No impact load on joints, no chemical mechanism, no drug interactions to manage with your prescriber.
[Jaquish 2013, 2015 combined safety profile]
Single weekly stimulus
Bone responds to peak strain magnitude, not duration of load. One brief contraction above threshold beats hours of low-load work.
[Turner & Robling, Exerc Sport Sci Rev 2003]
How a session runs
Calibration on four positions
Your provider measures your starting force on chest press, leg press, vertical lift, and vertical jump simulation. These are your baseline numbers.
Take position, brace, contact the bar
You position yourself against the fixed-frame bar. The load cell reads force in real time as you brace.
Maximum effort, under five seconds
You produce peak isometric force against the bar for under five seconds per exercise. The platform displays your force curve as it happens.
Three to four positions, total under 90 seconds
A full session contains four exercises. Total contracted-load time is under 90 seconds — the rest is set-up and brief recovery.
Return weekly, review against REMS
Weekly sessions, with force trends reviewed every four sessions against your REMS bone-density data.
Cited claims, with PMIDs
Every claim below traces to a published study, regulatory record, or manufacturer specification. We will share the full text on request.
Mean lumbar spine BMD increase of 14.9% over 12 months of supervised BioDensity sessions.
Jaquish, Journal of Osteoporosis & Physical Activity 1:122, 2013 — PMID 24587977
Threshold for osteogenic loading is approximately 4.2 times bodyweight at the hip.
Hunte, Jaquish & Huck, Journal of Osteoporosis & Physical Activity 3:1, 2015
Bone responds to peak strain magnitude, not duration of load — the basis for brief, high-force protocols.
Turner & Robling, Exercise and Sport Sciences Reviews 31(1), 2003
BioDensity load-cell calibration and protocol are documented in the device clinical operating manual.
Performance Health Systems, BioDensity Clinical Operating Manual, 2023
No reported adverse events across published cohorts (n>500) in combined Jaquish studies.
Jaquish 2013 and 2015 combined safety profile
Who BioDensity is not for
BioDensity is not appropriate with an active fragility fracture, untreated severe osteoporosis (T-score below −3.5) without physician oversight, or uncontrolled hypertension at rest. Your provider reviews your most recent REMS or DEXA before clearing you to load — if you do not have one, we start with assessment, not training.
Frequently asked
How can 90 seconds a week rebuild bone?
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How can 90 seconds a week rebuild bone?
Bone responds to peak strain magnitude, not duration of load (Turner & Robling 2003). A brief contraction above the osteogenic threshold — roughly 4.2 times bodyweight — triggers remodeling that hours of low-load exercise cannot. The published BMD gains average 14% at the spine over 12 months.
Is this safer than lifting heavy weights?
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Is this safer than lifting heavy weights?
Yes — the load is isometric (no motion) against a fixed bar, so there is no risk of dropped weight or failed lift. Peak force is produced by your own contraction; you cannot exceed what you can generate.
How do I know it's working?
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How do I know it's working?
Two ways. First, your force output is measured every session — you see the trend across weeks. Second, we recommend a REMS assessment every 90 days to verify bone-density change.
Will it replace my medication?
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Will it replace my medication?
That is between you and your physician. BioDensity is a wellness intervention; medication decisions belong to your prescribing doctor. Many clients use both, some transition off medication with their doctor's guidance.
How long until I see results?
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How long until I see results?
Force output typically rises in the first 3–4 weeks. Bone-density change requires 90–180 days to register on a REMS scan, consistent with the bone remodeling cycle.
Can I do BioDensity if I'm already very strong?
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Can I do BioDensity if I'm already very strong?
Yes. Force is measured relative to body weight and personal maximum — strong clients produce higher absolute force and continue progressing. The osteogenic threshold scales with the individual.
Is this the same as the X3 Bar?
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Is this the same as the X3 Bar?
No. X3 is a portable variable-resistance band system from the same researcher; BioDensity is the clinical loading platform used in the published studies. The mechanism (peak isometric force) is shared, but the measurement and load magnitude differ.
Ninety seconds. Force above threshold.
Book your BioDensity baseline and see your first force curve in under 90 seconds of work.
Paired with REMS bone tracking • Naples, Florida