Muscles of the torso Flashcards

1
Q

Location and function of the Pectoralis

A

Covers the chest, draws the arm and shoulder in towards the chest.

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2
Q

Location and function of Intercostals

A

In between the ribs and running obliquely downwards Muscle of respiration, used to increase the thoracic cavity when breathing normally.

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3
Q

Location and function of rectus abdominus

A

Extends the whole length of the front of the abdomen and is divided into 4 sections. Flexes the trunk forwards, extending the spine and maintains the posture of the body.

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4
Q

Location and function of external obliques

A

Extends laterally from the sides of the abdomen. Flexes the trunk. and when acting alone it twists the trunk.

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5
Q

Location and function of diaphragm

A

Mid chest separating the thoracic and abdominal cavities. Muscle of respiration, flattens to increase the thoracic cavity when breathing in causing the ribs to rise.

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6
Q

Location and function of trapezius.

A

A large kite shaped muscle that covers the back and sides of the neck shoulders and upper back. Elevates and depresses the shoulders also draws the head backwards.

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7
Q

Location and function of Latissimus dorsi

A

Large muscle which extends from the thoracic and lumbar vertebrae. Helps pull the body upwards when climbing, draws shoulders/ arm down and backwards.

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8
Q

Location and function of erector spinae

A

Extends the spine and holds the body upright.

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