Related Experiment Video
Updated: Jun 28, 2025
10:37
Author Spotlight: Decellularization-Based Quantification of Skeletal Muscle Fatty Infiltration
Published on: June 9, 2023
3.0K
Relationship between Femur Mineral Content and Local Muscle Strength and Mass
Bruno V R Ramos1,2, Danilo A Massini1,2, Tiago A F Almeida1,2
1Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro 13506-900, Brazil.
Journal of Functional Morphology and Kinesiology
|April 23, 2024
Summary
Muscle mass and strength are positively linked to femoral bone mineral content in young adult men. This highlights the importance of building muscle and strength for healthy bones during early adulthood.
Area of Science:
- Orthopedics
- Sports Medicine
- Human Physiology
Background:
- Exercise is crucial for bone health, providing mechanical stimulus and promoting lean tissue growth.
- Optimal timing for bone integrity interventions, considering age and sex differences, remains unclear.
- Understanding the relationship between body composition, muscle strength, and bone health in young adults is essential.
Purpose of the Study:
- To investigate the association between body composition, muscle strength, and femoral bone mineral content (BMC) in young adult males.
- To determine if lean tissue mass and muscle strength correlate with femoral BMC in this demographic.
Main Methods:
- Dual-energy X-ray absorptiometry (DXA) was used to assess body composition and bone density.
- One-repetition maximum (1-RM) tests were conducted to evaluate upper and lower limb muscle strength across various exercises.
- Pearson correlation coefficients were calculated to analyze relationships between variables.
Main Results:
- Lean tissue mass in the trunk, upper, and lower limbs showed significant positive correlations with femoral BMC (r = 0.55–0.72, p < 0.01).
- Muscle strength, assessed by 1-RM values, also correlated positively with femoral BMC (r = 0.34–0.46, p < 0.05).
Conclusions:
- Muscle mass and strength are positively associated with femoral bone mass in young adult men.
- Enhanced muscle mass and strength are important for maintaining femoral bone health in early adulthood.
Related Concept Videos
01:16Bones of the Lower Limb: Femur and Patella
2.4K
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
2.4K
01:31Essential Minerals for Bone Health
3.9K
The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
3.9K
01:18The Bone Matrix
3.1K
Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in...
3.1K
01:29Bone Disorders
3.5K
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...
3.5K
01:22The Functions of the Skeletal System
3.8K
The most apparent functions of the skeletal system are support, protection, and movement. However, bone tissue also performs several other critical metabolic functions. For one, the bone matrix acts as a reservoir for a number of minerals important to the functioning of the body, especially calcium and phosphorus. These minerals, present in the bone tissue, can be released back into the bloodstream when required. Calcium ions, for example, are essential for muscle contractions and controlling...
3.8K
01:09Changes in the Appendicular Skeleton with Age
2.0K
The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
Initially, the limb buds consist of a core of mesenchyme covered by a layer of ectoderm. The ectoderm at the end of the limb bud thickens to form a narrow crest called the apical ectodermal ridge. This ridge stimulates the underlying...
2.0K