https://padlet.com/k1336610/p6pgg7lbnu477j7b by aelya abrar en-us 2021-10-14 14:19:31 UTC 2021-10-19 14:51:31 UTC hello@padlet.com k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824305353 A tendon is a fibrous connective tissue that attaches muscle to bone. A tendon serves to move the bone or structure.]]> 2021-10-18 14:26:00 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824305353 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824326284 Fascia is a thin casing of connective tissue. It surrounds and holds every organ, blood vessel, bone, nerve fiber and muscle in place.]]> 2021-10-18 14:32:35 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824326284 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824344397 The functions of the muscular system include muscles holding the body erect, making movement possible, moving food through the digestive system, muscle movement aiding the flow of blood through veins, and muscle action moving fluid throughout ducts/tubes associated with other body systems. The muscular system also generates body heat. ]]> 2021-10-18 14:38:21 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824344397 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824357850 Muscle fatigue is a decrease in maximal force or power production in response to contractile activity. The two types of muscle fatigue are central (neural) and peripheral (muscular).]]> 2021-10-18 14:42:32 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824357850 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824366546 A muscle spasm, or muscle cramp, is an involuntary contraction of a muscle. Muscle spasms occur suddenly, usually resolve quickly, and are often painful.]]> 2021-10-18 14:45:21 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824366546 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824382728 Clonic spasms refer to alternating involuntary muscular contraction and relaxation in quick succession. Tonic spasms are rigid muscle contractions that last a period of time.]]> 2021-10-18 14:50:42 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824382728 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824396109 A tetanus is an infection caused by bacteria. When the bacteria invades the body, a poison (toxin)  causes painful muscle contractions. Another name for tetanus is “lockjaw” which often causes a person's neck and jaw muscles to lock, making it hard to open the mouth or swallow.]]> 2021-10-18 14:55:11 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1824396109 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827357382 Tetany is a symptom characterized by the involuntary contraction of muscles that usually results from low calcium levels in the blood. Some common symptoms of tetany are numbness around the mouth and muscle cramps.]]> 2021-10-19 14:20:28 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827357382 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827373438 Smooth muscles are involuntary muscles. Smooth muscles have narrow, tapered rod-shaped cells and have non-striated, uninucleated fibers. This muscle is located in the walls of internal organs.]]> 2021-10-19 14:24:45 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827373438 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827383908 Cardiac muscles are involuntary. Cardiac muscles are striated, tubular, and branched and have uninucleated fibers. Cardiac muscle forms muscular walls of the heart.]]> 2021-10-19 14:27:13 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827383908 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827394604 Skeletal muscles are voluntary and attach to the bones to make movement possible. Skeletal muscles have striated, tubular, and multinucleated fibers. ]]> 2021-10-19 14:30:02 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827394604 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827404374 The theory explains the mechanism of muscle contraction based on muscle proteins that slide past each other to generate movement. The sliding filament theory is a widely accepted explanation of the mechanism that underlies muscle contraction.]]> 2021-10-19 14:32:37 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827404374 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827415184 Actin is a protein that is an important contributor to the contractile property of muscle and other cells.  Actin is  proteins are important for cell movement and the tensing of muscle fibers.]]> 2021-10-19 14:35:22 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827415184 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827421665 Myosin is a protein that converts chemical energy in the form of ATP to mechanical energy. It is the molecular motor that transduces energy from the hydrolysis of ATP into directed movement and that, by doing so, drives sarcomere shortening and muscle contraction.]]> 2021-10-19 14:37:07 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827421665 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827428740 Calcium helps regulate muscle contraction. When a nerve stimulates a muscle, the body releases calcium which helps the proteins in muscle carry out the work of contraction. When the body pumps the calcium out of the muscle, the muscle will relax.]]> 2021-10-19 14:38:58 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827428740 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827438612 Contractility is the ability of muscle cells to forcefully shorten. Contractility allows muscle tissue to pull on its attachment points and shorten with force. ]]> 2021-10-19 14:41:33 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827438612 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827447513 Extensibility is the ability of a muscle to be stretched.  Tissue extensibility relates to tissue flexibility, which is related to the strength and power that your muscles are able to generate. If you have healthy, extensible, flexible muscle, you are going to be able to perform much better than if your muscles are scarred down, hard, and inflexible.]]> 2021-10-19 14:44:00 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827447513 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827454663 With elasticity, a muscle is able to return to its original resting shape and length after being extended or contracted. Activities that develop elastic strength for running are hopping, bounding and jumping.]]> 2021-10-19 14:45:55 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827454663 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827462061 Excitability is the ability to respond to a stimulus, which may be delivered from a motor neuron or a hormone.  
Excitability allows a muscle to respond to a stimulus and to maintain chemical potentials across its cell membranes.]]> 2021-10-19 14:47:52 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827462061 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827471298
Automaticity is the property of cardiac cells to generate spontaneous action potentials. It is the ability to spontaneously depolarize and generate an action potential.]]> 2021-10-19 14:50:19 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827471298 k1336610 https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827475590 Rigor mortis is a postmortem change resulting in the stiffening of the body muscles due to chemical changes in their myofibrils. Rigor mortis helps in estimating the time since death as well to ascertain if the body had been moved after death.]]> 2021-10-19 14:51:31 UTC https://padlet.com/k1336610/p6pgg7lbnu477j7b/wish/1827475590