Action of the Torso Muscles Flashcards

1
Q

Sternocleidomastoid

A

One side only - flexes neck laterally and rotates it

Both - side flexion

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2
Q

Scalenes

A

Raises first two ribs, flexes and rotates neck

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3
Q

Splenius Capitis

A

Extends the neck

Slight Rotation

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4
Q

Levator scapulae

A

Elevates shoulder, rotates scapula

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5
Q

Supraspinatus

A

Abducts Arm

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6
Q

Infraspinatus

A

Rotates arm outwards (Laterally)

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7
Q

Subscapularis

A

Rotates arm inwards

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8
Q

Teres Minor

A

Rotates arm outwards (Laterally)

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9
Q

Teres Major

A

Draws arm backwards, adducts and medially rotates it.

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10
Q

Rhomboid major & minor

A

Adducts (draws towards spine) and rotates scapula downwards

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11
Q

Trapezius

A

Elevates and braces shoulder, rotates scapula

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12
Q

Latissimus Dorsi

A

Draws arm backwards, adducts and rotates it inwards.

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13
Q

Erector Spinae

A

One side only- flexes trunk laterally

Both - Extends trunk

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14
Q

Quadratus Lumborum

A

One side only - flexes trunk laterally and rotates it

Both - Extends trunk

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15
Q

Pectoralis Major

A

Draws arm forwards (Flexs) and abducts and rotates it inwards

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16
Q

Pectoralis Minor

A

Draws shoulder forwards and downwards

17
Q

Serratus anterior

A

Draw shoulders forwards and downwards

18
Q

Rectus Abdominus

A

Flexes the trunk

19
Q

Abdominus Transversalis

A

Supports the viscera, compresses abdomen