topics introduced in the PhysioEx lab simulations and in your anatomy and physiology textbook. From the PhysioEx main menu‚ select Histology Tutorial. The opening screen should appear after a few seconds. The Sort by menu is located at the top left. Click on the white drop-down menu and select “Histology Review” from the list. You will note that the slides in the histology module are grouped in the following folders: Skeletal muscle slides Nervous tissue slides Endocrine tissue slides Cardiovascular tissue
Premium Muscle Skeletal muscle Epithelium
Musculoskeletal Physiology Be familiar with bones and muscles of body 3 types of muscle skeletal‚ smooth‚ cardiac attaches muscle to bone‚ decreasing angle of joints during contraction proximal part of esophagus doesn’t connect to bone‚ proximal (upper) conscious control is primary skeletal‚ distal is involuntary and smooth muscle T- tubules: inside is ECS‚ deep invaginations of plasma membrane in muscle cell PM is sarcolemma allows high concentration of Ca‚ like other EC spaces (IC is
Premium Bone Muscle Skeletal muscle
(radiocarpal joints) Saddle (first carpometacarpal joints) Ball-and-socket (shoulder) 8.8 (a) Compare and Contrast rheumatoid arthritis to osteoarthritis. Include causes and physiology. Both Inflammation of joints Damage to articular cartilage Different: Rheumatoid General term that indicates pain & stiffness affecting muscles‚ bones‚ tendons‚ & joints Osteoarthritis Generally effects age 60 and older Cumulative effects of wear and tear at the joint surface‚ or from genetic factors affecting
Premium Myosin Muscle Muscle contraction
efficiency * Muscle fiber type * Higher efficiency in muscles with greater
Premium Energy Thermodynamics Heat
LAB 9: Skeletal Muscle Physiology Electrical Stimulation 1. Complete the following statements by filling in your answers on the appropriate lines below. A motor unit consists of a ___1___ and all the ___2___ it innervates. Whole muscle contraction is a(n) ___3___ response. A ___4___ is the response of a muscle to a single‚ brief threshold stimulus. When the frequency of stimulation is so high that the muscle tracing shows fused peaks‚ ___5___ has been achieved. ___6___
Premium Muscle Skeletal muscle Acetylcholine
Chapter 9: Muscular System: Histology and Physiology Multiple Choice 1. The capacity of a muscle cell to shorten forcefully is known as A) contractility. B) excitability. C) extensibility. D) elasticity. E) flexibility. Answer: a Level: 1 2. Muscles exhibit the property of excitability. This means that the muscle A) shortens its length. B) recoils to its original resting length. C) stretches beyond its normal length. D) responds to stimulation by the nervous system. E)
Premium Muscle Muscle contraction Skeletal muscle
function of muscle tissue? A) Heat production B) Regulation of organ volume C) Vitamin D production D) Body movements E) Body position Answer: C Reference: Overview of Muscle Tissue Degree of Difficulty: Medium 2. The structure made of dense irregular connective tissue that holds muscle fascicles together and separates them into functional groups is A) epimysium. B) endomysium. C) perimysium. D) superficial fascia. E) deep fascia. Answer: C Reference: Skeletal Muscle Tissue Degree
Premium Muscle Skeletal muscle Muscular system
• The bones‚ muscles and joints together form an integrated system called the Musculoskeletal System • Myology is the scientific study of muscles • Muscular system is an organ system consisting of skeletal‚ smooth and cardiac muscles • Orthopedics is the branch of medical science concerned with the prevention or correction of the disorders of the musculoskeletal system ANTERIOR VIEW POSTERIOR VIEW FUNCTIONS OF THE MUSCLES • • • • Movement Maintenance of posture and muscle tone Heat production
Free Muscle Muscular system Skeletal muscle
Week 2 Reading Summary : Chap 1-3 Chapter 1 Anatomy: studies the structure of body parts and their relationship to one another. Can be seen‚ felt‚ examined. Physiology: concerns the function of the body in other words‚ how the body parts work and carry out their life-sustaining activities Complementary of structure and function Function reflect structure‚ what a structure can do depends on is specific form Levels of structural organization: Cells – smallest living unit
Premium Neuron Action potential Muscle
Lessig Activity 1 The Muscle Twitch and the Latent Period 1. 1. Define the terms skeletal muscle fiber‚ motor unit‚ skeletal muscle twitch‚ electrical stimulus‚ and latent period 2. What .is the role of acetylcholine in a skeletal muscle contraction? Skeletal muscle fiber-Skeletal muscle fibers are the individual cells that are bound together in fascicles. Many fascicles are bound together to make a muscle Motor unit-A motor unit consists of a motor neuron and all of the muscle fibers in innervates
Premium Skeletal muscle Muscular system Neuromuscular junction