You are watching: What type of muscle straightens a joint
Voluntary and also involuntary muscles Muscles deserve to be share on the communication of our conscious control:Involuntary muscles, prefer those that manage the beating that the heart, perform not require conscious thought to make them move also though their action is still managed by the nervous system.
Types of muscle Muscles can additionally be classified into three groups, based on their structure.
|bones Muscle: all muscles attached to the skeleton of the skeleton are referred to as skeletal muscles. They room all voluntarily muscles because we deserve to make them work-related by our mindful thinking. We have the right to either elevator our eight by moving our muscle or allow them come relax, which way that our arm will autumn to ours side. there are four main types of bones muscle, called according to their shape - spindle, triangular, flat and also circular (ring).|| |
Muscle action Voluntary muscles obtain an electric signal from the main nervous system via motor nerve cell that affix with separation, personal, instance muscle fibres to make them contract or relax. Together the muscle contracts, it i do not care thicker and also shorter, hence pulling top top the bone. As it relaxes, the lengthens again.
Muscles that work with the skeleton room usually discovered in pairs through opposing actions. A muscle that bends a joint once it contract is called a flexor (e.g. Biceps). The the opposite muscle top top the other side the the bone that straightens the joint once it contract is referred to as an extensor (e.g. Triceps).
bones muscles room attached to the bones v tendons which are an extremely tough rebab.netanization that perform not big much.
|ns don"t think about walking. Why is this activity a voluntarily action? I have to do arm curls to exercise my biceps to do them large and strong, execute I have to exercise my love too? have the right to we control our involuntary muscles?|
|rebab.netanisational relationship within living things pet cells Systems, transport and exchange Circulatory system Respiratory device Digestive system Food: The chemicals of life Support and also movement system: Skeletons pet senses person senses A: Sight and sound human being senses B: Smell, taste and also touch Nervous mechanism Endocrine mechanism human reproduction A: The female mechanism person reproduction B: The masculine system and also contraception Spare components|
|concern 1 question 2 concern 3 concern 4|
|rebab.netanization voluntary main Nervous system (CNS)|