HomeThree types of muscle tissue o Compare and contrast the three basic types of muscle tissue. • List four characteristics of muscle tissue. • List the functions of muscle tissue • Describe the gross structure of a skeletal muscle. o Organization of muscle, fascicle, muscle fiber, myofibril, myofilaments o Connective tissue sheaths of skeletal muscle: ▪ epimysium, perimysium, and endomysium. o Describe what origins and insertions are in a general terms • Describe the microscopic structure and functional roles of the myofibrils, sarcomere, sarcoplasmic reticulum, and T tubules of skeletal muscle fibers. o Myoglobin, glycosomes o M line, Z disc o Triad • Sliding filament model of muscle contraction • Composition of thick and thin filaments o Structure of Actin, Tropomyosin, Troponin, Myosin • AP, hyperpolarization, depolarization • Ion channel function • Refractory period • Explain how muscle fibers are stimulated to contract by describing events that occur at the neuromuscular junction. • Follow the events of excitation-contraction coupling that lead to cross bridge activity. • Describe cross bridge cycling • Define motor unit and muscle twitch, and describe the events occurring during the three phases of a muscle twitch. • Muscle Atrophy • Explain how smooth, graded contractions of a skeletal muscle are produced. o Temporal summation o Multiple motor unit summation (recruitment) ▪ Know the recruitment thresholds • Differentiate between isometric and isotonic contractions. • Describe three ways in which ATP is generated during skeletal muscle contraction. o Be able to compare and contrast the three modes of ATP generation o Know important molecules (i.e. creatine), whether oxygen is necessary, by-products (i.e. lactic acid) • Define EPOC and muscle fatigue. List possible causes of muscle fatigue. • Describe factors that influence the force, velocity, and duration of skeletal muscle contraction. • Describe the three types of skeletal muscle fibers (slow and fast oxidative, fast glycolytic) • Compare and contrast the effects of aerobic and resistance exercise on skeletal muscles • Compare the gross and microscopic anatomy of smooth muscle cells to that of skeletal muscle cells

Three types of muscle tissue o Compare and contrast the three basic types of muscle tissue. • List four characteristics of muscle tissue. • List the functions of muscle tissue • Describe the gross structure of a skeletal muscle. o Organization of muscle, fascicle, muscle fiber, myofibril, myofilaments o Connective tissue sheaths of skeletal muscle: ▪ epimysium, perimysium, and endomysium. o Describe what origins and insertions are in a general terms • Describe the microscopic structure and functional roles of the myofibrils, sarcomere, sarcoplasmic reticulum, and T tubules of skeletal muscle fibers. o Myoglobin, glycosomes o M line, Z disc o Triad • Sliding filament model of muscle contraction • Composition of thick and thin filaments o Structure of Actin, Tropomyosin, Troponin, Myosin • AP, hyperpolarization, depolarization • Ion channel function • Refractory period • Explain how muscle fibers are stimulated to contract by describing events that occur at the neuromuscular junction. • Follow the events of excitation-contraction coupling that lead to cross bridge activity. • Describe cross bridge cycling • Define motor unit and muscle twitch, and describe the events occurring during the three phases of a muscle twitch. • Muscle Atrophy • Explain how smooth, graded contractions of a skeletal muscle are produced. o Temporal summation o Multiple motor unit summation (recruitment) ▪ Know the recruitment thresholds • Differentiate between isometric and isotonic contractions. • Describe three ways in which ATP is generated during skeletal muscle contraction. o Be able to compare and contrast the three modes of ATP generation o Know important molecules (i.e. creatine), whether oxygen is necessary, by-products (i.e. lactic acid) • Define EPOC and muscle fatigue. List possible causes of muscle fatigue. • Describe factors that influence the force, velocity, and duration of skeletal muscle contraction. • Describe the three types of skeletal muscle fibers (slow and fast oxidative, fast glycolytic) • Compare and contrast the effects of aerobic and resistance exercise on skeletal muscles • Compare the gross and microscopic anatomy of smooth muscle cells to that of skeletal muscle cells

Three types of muscle tissue

o Compare and contrast the three basic types of muscle tissue.

• List four characteristics of muscle tissue.

• List the functions of muscle tissue

• Describe the gross structure of a skeletal muscle.

o Organization of muscle, fascicle, muscle fiber, myofibril, myofilaments

o Connective tissue sheaths of skeletal muscle:

▪ epimysium, perimysium, and endomysium.

o Describe what origins and insertions are in a general terms

• Describe the microscopic structure and functional roles of the myofibrils, sarcomere, sarcoplasmic reticulum, and T tubules of skeletal muscle fibers.

o Myoglobin, glycosomes

o M line, Z disc

o Triad

• Sliding filament model of muscle contraction

• Composition of thick and thin filaments

o Structure of Actin, Tropomyosin, Troponin, Myosin

• AP, hyperpolarization, depolarization

• Ion channel function

• Refractory period

• Explain how muscle fibers are stimulated to contract by describing events that occur at the neuromuscular junction.

• Follow the events of excitation-contraction coupling that lead to cross bridge activity.

• Describe cross bridge cycling

• Define motor unit and muscle twitch, and describe the events occurring during the three phases of a muscle twitch.

• Muscle Atrophy

• Explain how smooth, graded contractions of a skeletal muscle are produced.

o Temporal summation

o Multiple motor unit summation (recruitment)

▪ Know the recruitment thresholds

• Differentiate between isometric and isotonic contractions.

• Describe three ways in which ATP is generated during skeletal muscle contraction.

o Be able to compare and contrast the three modes of ATP generation

o Know important molecules (i.e. creatine), whether oxygen is necessary, by-products (i.e. lactic acid)

• Define EPOC and muscle fatigue. List possible causes of muscle fatigue.

• Describe factors that influence the force, velocity, and duration of skeletal muscle contraction.

• Describe the three types of skeletal muscle fibers (slow and fast oxidative, fast glycolytic)

• Compare and contrast the effects of aerobic and resistance exercise on skeletal muscles

• Compare the gross and microscopic anatomy of smooth muscle cells to that of skeletal muscle cells.