Related Experiment Video
Updated: Jun 5, 2026

07:19
A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance
Published on: March 19, 2020
Does osteoporosis predispose falls? A study on obstacle avoidance and balance confidence
Ellen Smulders1, Wim van Lankveld, Roland Laan
1Sint Maartenskliniek, Research, Development and Education, PO box 9011, 6500 GM, Nijmegen, the Netherlands.
BMC Musculoskeletal Disorders
|January 5, 2011
Summary
Individuals with osteoporosis demonstrated no impairment in obstacle avoidance or balance confidence compared to controls. These findings suggest osteoporosis does not increase fall risk due to reduced obstacle negotiation abilities.
Area of Science:
- Gerontology
- Biomechanics
- Orthopedics
Background:
- Osteoporosis is linked to impaired balance and physical performance, increasing fall risk.
- Falls commonly occur during walking, highlighting the importance of obstacle avoidance.
- Previous studies indicated instability during obstacle crossing in individuals with osteoporosis.
Purpose of the Study:
- To investigate obstacle avoidance performance in individuals with osteoporosis.
- To compare balance confidence between individuals with osteoporosis and a control group.
- To determine if obstacle avoidance abilities are compromised in osteoporosis.
Main Methods:
- Obstacle avoidance was assessed on a treadmill in individuals with osteoporosis (n=85) and controls (n=99).
- Task difficulty was manipulated by varying obstacle release times (available response times - ART).
- Balance confidence was measured using the short ABC-questionnaire.
Main Results:
- No significant differences were observed in obstacle avoidance success rates between groups (p=0.173).
- Individuals with osteoporosis reported similar balance confidence levels compared to controls (p=0.091).
- Balance confidence was not correlated with obstacle avoidance performance (p=0.145).
Conclusions:
- Obstacle avoidance capabilities are not diminished in individuals with osteoporosis.
- Balance confidence is comparable between individuals with osteoporosis and healthy controls.
- Poorer obstacle avoidance abilities do not appear to contribute to an increased fall risk in osteoporosis.
Related Concept Videos
Bone Disorders
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Role of Vitamins in Maintaining Bone Health
The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
Osteoclasts in Bone Remodeling
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
