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Anatomy and Physiology > Muscle function > Flashcards

Muscle function Flashcards

1
Q

What is the function of the gastrocnemius?

A

plantar flexor of foot pushing body forwards when walking. Flex leg at knee

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2
Q

What is the function of the peroneus brevis?

A

Extends and abducts foot

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3
Q

What is the function of the semimembranosis?

A

Flex and rotate leg medially and extend thigh

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4
Q

What is the function of the Biceps femorus?

A

Flex and rotate leg laterally and extend thigh

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5
Q

What is the function of the Gluteus maximus?

A

Leg to straighten at the hip in activities. Assists in raising from sitting position and extend thigh

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6
Q

What is the function of the Gluteus medius?

A

Outwards rotation of thigh

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7
Q

What is the function of the extensor digitorum?

A

extends fingers and wrist

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8
Q

What is the function of the extensor carpi radialus?

A

extends the wrist

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9
Q

What is the function of the Internal oblique?

A

Rotate trunk

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10
Q

What is the function of the lastissimus dorsi?

A

Adduction of arm, extension of arm, rotates arm

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11
Q

What is the function of the Triceps brachii?

A

Extension and retraction of forearm. Stabilise shoulder joint

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12
Q

What is the function of the Rhomboid?

A

Retract scapula

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13
Q

What is the function of the Occipitalus?

A

Extends scalp allowing movement of eyebrows

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14
Q

What is the function of the Soleus?

A

Plantar flexion of foot

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15
Q

What is the function of the Extensor digitorum longus?

A

Dorsiflexion and eversion of foot. Extension of toes

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16
Q

What is the function of the Peroneus longus?

A

Plantar flexes and everts foot at ankle

17
Q

What is the function of the Tibialus anterior?

A

Dorsiflexor of foot

18
Q

What is the function of the vastus intermedius?

A

Assists in knee extension and holds body up

19
Q

What is the function of the vastus medialus?

A

Allows knee extension and correct tracking of patella

20
Q

What is the function of the vastus lateralis?

A

Extends lower leg and allows body to rise from squat

21
Q

What is the function of the Rectus femoris?

A

Primary extensor of knee and flexes thigh

22
Q

What is the function of the Adductor longus?

A

Adducts thigh, assists in flexing and rotating to side

23
Q

What is the function of the gracilius?

A

Adducts thigh and flex and rotate leg medially at knee

24
Q

What is the function of the Sartorius?

A

Flexor and rotator of thigh at hip

25
Q

What is the function of the Flexor digitorum profundus?

A

Flex distal joints

26
Q

What is the function of the rectus abdominius?

A

Moves trunk back, forwards and sideways

27
Q

What is the function of the Flexor carpi ulnaris?

A

Flex and adducts wrist

28
Q

What is the function of the Brachioradialus?

A

Aids in flexing elbow

29
Q

What is the function of the Biceps brachii?

A

Allows lifting at elbow, also assists in shoulder movement

30
Q

What is the function of the Pectoralis major?

A

Flexion of humerus, adducts humerus, rotates humerus and keeps arm attached to body

31
Q

What is the function of the Deltoid?

A

Allows wide range of movement of arm at shoulder

32
Q

What is the function of the Trapezius?

A

Moves, rotates and stabilizes scapula. Also extends head from neck

33
Q

What is the function of the Sternocleidomastoid?

A

Rotates the head and flexes neck

34
Q

What is the function of the Masseter?

A

Used for mastication. In use when jaw closes

35
Q

What is the function of the Temporalis?

A

Used for mastication and opening and closing of jaw

Anatomy and Physiology (18 decks)

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