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Related Concept Videos

The Muscular System01:18

The Muscular System

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The muscular system is essential to the body's overall structure and function, playing a crucial role in movement, stability, and internal processes. It consists of three distinct types of muscle tissue: the skeletal, the smooth, and the cardiac muscles.
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Muscle Coordination and Action01:24

Muscle Coordination and Action

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Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
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Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement....
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Gross Anatomy of Skeletal Muscles01:12

Gross Anatomy of Skeletal Muscles

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The connective tissues play a significant role in arranging the muscle fibers into a hierarchical structure that forms a complete muscle. Consider a muscle like the bicep brachii, commonly called the bicep. This muscle comprises thousands of muscle fibers enclosed by a protective layer of connective tissue called the endomysium. The endomysium is primarily composed of reticular fibers, a type of thin collagen fiber. It allows the exchange of nutrients and waste products at the fiber level,...
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Disorders of the Skeletal Muscle01:28

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
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Actin and Myosin in Muscle Contraction01:16

Actin and Myosin in Muscle Contraction

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Actin and myosin are contractile proteins that form the sarcomere found in skeletal muscle tissues for regulating muscle contraction. Actin, a globular contractile protein, interacts with myosin for muscle contraction. The skeletal tissue appears striped or striated under a microscope due to the repeated arrangement of contractile proteins actin and myosin along the length of myofibrils. Dark A bands and light I bands repeat along myofibrils, and the alignment of myofibrils in the cell causes...
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Skeletal Muscle Anatomy00:55

Skeletal Muscle Anatomy

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Skeletal muscle is the most abundant type of muscle in the body. Tendons are the connective tissue that attaches skeletal muscle to bones. Skeletal muscles pull on tendons, which in turn pull on bones to carry out voluntary movements.
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Related Experiment Video

Updated: Dec 18, 2025

X-ray Diffraction of Intact Murine Skeletal Muscle as a Tool for Studying the Structural Basis of Muscle Disease
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X-ray Diffraction of Intact Murine Skeletal Muscle as a Tool for Studying the Structural Basis of Muscle Disease

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Bone-Muscle Mutual Interactions.

Nuria Lara-Castillo1, Mark L Johnson2

  • 1Department of Oral and Craniofacial Sciences, UMKC School of Dentistry, 650 East 25th Street, Kansas City, MO, 64108, USA.

Current Osteoporosis Reports
|June 11, 2020
PubMed
Summary
This summary is machine-generated.

This review explores molecular signals between bone and muscle, moving beyond mechanical interactions. Understanding these pathways may lead to new treatments for combined bone and muscle diseases.

Keywords:
BoneCrosstalkInteractionMuscleMusculoskeletal

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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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Collection of Skeletal Muscle Biopsies from the Superior Compartment of Human Musculus Tibialis Anterior for Mechanical Evaluation
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Collection of Skeletal Muscle Biopsies from the Superior Compartment of Human Musculus Tibialis Anterior for Mechanical Evaluation

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Related Experiment Videos

Last Updated: Dec 18, 2025

X-ray Diffraction of Intact Murine Skeletal Muscle as a Tool for Studying the Structural Basis of Muscle Disease
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X-ray Diffraction of Intact Murine Skeletal Muscle as a Tool for Studying the Structural Basis of Muscle Disease

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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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Collection of Skeletal Muscle Biopsies from the Superior Compartment of Human Musculus Tibialis Anterior for Mechanical Evaluation
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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Physiology

Background:

  • Bone and muscle are increasingly recognized as endocrine organs.
  • Communication between bone and muscle extends beyond mechanical loading.

Purpose of the Study:

  • To review current understanding of molecular and biochemical bone-muscle interactions.
  • To highlight signaling factors involved in inter-tissue communication.

Main Methods:

  • Literature review of recent and prior evidence.
  • Analysis of molecular signaling pathways between bone and muscle.

Main Results:

  • Muscle-derived factors (myostatin, Irisin, BAIBA, IL-6, IGFs) and bone-derived factors (FGF-23, Wnts, PGE2, FGF9, RANKL, osteocalcin, sclerostin) mediate cross-talk.
  • These factors modify each other's function through biochemical and molecular mechanisms.

Conclusions:

  • Identification of signaling molecules provides therapeutic targets.
  • Potential for simultaneous treatment of conditions like osteoporosis and sarcopenia.