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Muscular Tissue: Structure and Function Study Guide

This guide explains the fundamental building blocks of skeletal muscle, from myofilaments to sarcomeres, and details the molecular mechanisms of muscle contraction. It covers the roles of key proteins like actin and myosin, the sliding filament theory, and the physiological basis of muscle force generation. Includes information on structural organization, striations, and the clinical relevance of dystrophin.

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Joints and Their Classification

Joints and Their Classification

An overview of joints, including arthrology, kinesiology, and the classification of bony, fibrous, and cartilaginous joints.

  • Joint classification
  • Arthrology
  • Kinesiology
  • Bony joints
  • Synostosis
  • Fibrous joints
  • Synarthrosis
  • Sutures
  • Syndesmoses
  • Cartilaginous joints
  • Amphiarthrosis
  • Synchondroses
  • Symphyses

Anatomy and Classification of Synovial Joints

This topic covers the general anatomy of synovial joints, their accessory structures, range of motion, axes of rotation, and the six major classes of synovial joints.

  • Synovial joint anatomy
  • Articular cartilage
  • Synovial fluid
  • Joint capsule
  • Articular disc
  • Meniscus
  • Bursa
  • Range of motion
  • Axes of rotation
  • Multiaxial joints
  • Biaxial joints
  • Monoaxial joints
  • Ball-and-socket joints
  • Condylar joints
  • Saddle joints
  • Plane joints
  • Hinge joints
  • Pivot joints

Muscular Tissue Structure and Function

Characteristics and Structure of Muscular Tissue

This material covers the universal characteristics of muscle cells, the defining features of skeletal muscle, and the structural components of a muscle fiber.

  • Excitability
  • Conductivity
  • Contractility
  • Extensibility
  • Elasticity
  • Skeletal muscle
  • Striations
  • Endomysium
  • Perimysium
  • Epimysium
  • Sarcolemma
  • Sarcoplasm
  • Myofibrils
  • Myoglobin
  • Sarcoplasmic reticulum
  • Terminal cisterns
  • Transverse tubules
  • Myoblasts
  • Satellite cells

Structure of Skeletal Muscle Fibers

Myofilaments including thick, thin, and elastic filaments compose myofibrils and organize into sarcomeres to facilitate muscle contraction.

  • Myofilaments
  • Thick filaments
  • Thin filaments
  • Actin
  • Tropomyosin
  • Troponin
  • Elastic filaments
  • Contractile proteins
  • Regulatory proteins
  • Dystrophin
  • Striations
  • A-bands
  • I-bands
  • H band
  • M line
  • Z disc
  • Sarcomere

The Nerve-Muscle Relationship and Contraction

This topic explains the relationship between motor neurons and muscle fibers, the structure of the neuromuscular junction, and the electrical activity of excitable cells.

  • motor unit
  • somatic motor neurons
  • denervation atrophy
  • neuromuscular junction
  • acetylcholine
  • synaptic cleft
  • sarcolemma
  • acetylcholinesterase
  • electrically excitable cells
  • resting membrane potential
  • depolarization
  • repolarization
  • action potential
  • spastic paralysis
  • flaccid paralysis
  • excitation-contraction coupling
  • muscle contraction phases

Excitation of a Muscle Fiber

The documents cover the excitation of a muscle fiber and excitation–contraction coupling.

  • Excitation of a Muscle Fiber
  • Excitation–Contraction Coupling

Body Movements and Anatomy of Selected Diarthroses

Joints and Body Movements

This content describes various movements of the body and the anatomy of selected diarthroses.

  • Flexion
  • Extension
  • Hyperextension
  • Hyperabduction
  • Adduction
  • Hyperadduction
  • Elevation
  • Depression
  • Protraction
  • Retraction
  • Circumduction
  • Rotation
  • Medial rotation
  • Lateral rotation
  • Supination
  • Pronation
  • Lateral flexion
  • Lateral excursion
  • Medial excursion
  • Radial flexion

Anatomy and Pathology of Major Joints

Anatomy of Shoulder and Elbow Joints

This material covers the anatomy and supporting structures of the temporomandibular, glenohumeral, and elbow joints.

  • Temporomandibular joint
  • Glenohumeral joint
  • Glenoid cavity
  • Rotator cuff
  • Shoulder ligaments
  • Shoulder bursae
  • Hinge joint
  • Humeroulnar joint
  • Humeroradial joint
  • Proximal radioulnar joint
  • Pivot joint
  • Pronation
  • Supination

Anatomy of Hip and Knee Joints

This content examines the anatomy, ligaments, and pathologies of the coxal and tibiofemoral joints, including arthritis and arthroplasty.

  • Coxal joint anatomy
  • Acetabular labrum
  • Iliofemoral ligament
  • Pubofemoral ligament
  • Ischiofemoral ligament
  • Round ligament
  • Tibiofemoral joint
  • Patellofemoral joint
  • Lateral and medial menisci
  • Fibular collateral ligament
  • Tibial collateral ligament
  • Anterior cruciate ligament
  • Posterior cruciate ligament
  • Osteoarthritis
  • Rheumatoid arthritis
  • Ankylosis
  • Arthroplasty

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