Effect of Office-Based Short-duration High-Impact Exercise on Bone Mineral Density in Healthy Premenopausal Women

Effect of Office-Based Short-duration High-Impact Exercise on Bone Mineral Density in Healthy Premenopausal Women - OBB

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000000533

Enrollment

Registered

2006-12-01

Start date

2006-09-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

osteoporosis

Interventions

low-impact exercise: step exercise

10-15 min/session

3 sessions/week high-impact exercise: 5 x10 (max) jumps inserted during low-impact exercise (step exercise)

3 sessions/week

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: healthy premenopausal female

Exclusion criteria

Exclusion criteria: Medication of steroid hormone (corticosteroids, estrogen), Metabolic diseases related to calcium turnover (hyper and hypothyroidism, hyper and hypo-parathyroidism etc) Unable to complete 1 year intervention and examination Pregnant Within 1 year of delivery Within 6 month of breast feeding Ovariectomized Diagnosed as osteoporosis Patients with severe diseases such as cancer

Design outcomes

Primary

Measure	Time frame
Bone mineral density as assessed by DXA (lumbar spine L1-4, left femoral neck and trochanter), and by QUS(calcaneus)	—

Secondary

Measure	Time frame
Bone metabolism marker: cross-linked N. telopetide of type I Collagen(NTX); bone alkaline phosphatase(BAP)	—

Countries

Japan

Contacts

Public ContactRyoichi Nagatomi

Tohoku University Graduate School of Medicine Department of Medicine and Science in Sports and Exercise

022-717-8588

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026