Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download The Muscular System Objectives Muscles Kinds of
Document related concepts
Transcript
The Muscular System Objectives Muscles ● Describe how skeletal muscles move bones ● Compare aerobic exercise with resistance exercise ● Describe 2 muscular system injuries ● The muscular system is made up of the muscles that let you ________ ● A muscle is an _______ that can _______ and __________ to allow movement. Muscles hold you _________ and allow body movement. Kinds of Muscles Involuntary vs. Voluntary ● Smooth muscles: muscles that are found in the _______ tract and in the _______ of blood vessels ● Cardiac muscles: muscles found only in the _________ ● Skeletal muscles: muscles that move ________. ● Involuntary muscles: muscular action that is ___ under ______ control (Ex: stomach, heart) ● Voluntary muscles: muscle action that is under your _________ ● Skeletal muscles make hundreds of movements. The muscles move after a ______ __________ from your _______ to your skeletal muscle cells, which _________, then movement occurs. Tendons Working Pairs ● Tendon: tough connective tissue that ____________ your skeletal muscles to your _________ ● Your skeletal muscles have to _______ together to move your bones ● One muscle will ______ (get shorter) and _____ part of the body, while the other muscle gets ______ and _____________ part of the body Flexor vs. Extensor Types of resistance exercise ● A _______ is a smooth muscle that _____ part of your body. An ____________ is the muscle that __________ part of your body. ● Muscles that are not used will become smaller and weaker, but muscles that are exercised will get bigger. ● ___ types of exercise will increase muscle strength and endurance ● ____________ exercise: exercise where people _______ against the resistance or __________ of an object ● _________ exercise: steady, ______________ intense ____________ like jogging, cycling, skating, or swimming, which increase muscle strength Muscle Injuries Anabolic Steroids ● Strains: injuries in which a muscle or tendon is ________________ or _______ ● Tendonitis: condition where a tendon becomes ______________ ● Anabolic steroids _________________ muscles but can _____________ the heart, liver, and kidneys Steroid effects Describe several reasons why someone would choose to use steroids despite the the harm they cause.
