Muscular Skeletal System Flashcards

1
Q

3 different types of muscle

A
  • Skeletal
  • Smooth
  • Cardiac
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2
Q

Main functions of muscles

A
  • Produce movement
  • Sustain body posture and position
  • Maintain body temperature
  • Stabilise joints
  • Aid digestion
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3
Q

Skeletal Muscle

A
  • Voluntary Muscle
  • Connect to bone
  • Allows wide range of movement
  • Protect vital organs within the body
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4
Q

What is a muscle

A

Group of muscle tissues which contract together to produce a force.

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5
Q

Structure of muscle

A

Muscle fibres bundles together and wrapped in connective tissue called fascia.

These fibres are composed of long chains of protein called myofilaments

Myofilaments are made up of smaller units called myofibrils

Myofibrils contain even smaller structure called Sarcomere

Sarcomere- basic functional units of muscle contraction.

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6
Q

Basic movement of muscle

A

When a skeletal muscle contracts the Sarcomere shorten and the myofibrils within the muscle fibres pull on the tendons that are attached to the bones

This movement causes the bones to move and results in desired muscle action.

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7
Q

Quadricep muscles

A
  • Rectus femoris
  • Vastus medialis
  • Vastus lateralis
  • Vastus intermedius
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8
Q

Hamstring muscles

A
  • Semitendinosus
  • Semimembranosus
  • Bicep femoris long head
  • Bicep femoris short head
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