Practical Exam 2 - Muscles List Flashcards by Chau Truong

Q

Action?

A

Biceps Brachii

Action
- Flexes elbow

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Q

A

Pronator Teres

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Q

What are the actions?

A

Obicularis Oris
Actions: Purses and protrudes lips (kissing muscle)

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Q

A

Sternocleidomastoid

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Q

A

Infraspinatus

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Q

A

Fibularis (Peroneus) Longus

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Q

A

Tensor Fascia Latae

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Q

A

External Obliques

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Q

Action?

A

Biceps Femoris

Action: Knee flexion

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Q

A

Iliacus

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Q

What are the actions?

A

Zygomaticus Major
Actions: Raises lateral corners of mouth upwards (smiling muscle)

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Q

What are the actions?

A

Internal intercostals

Actions: Depresses rib cage (expiration)

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Q

A

Brachialis (deeper than biceps brachii)

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Q

Action?

A

Tibialis anterior

Action: Dorsiflexion ; inversion

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Q

A

Adductor Longus

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Q

Action?

A

Gluteus Maximus

Action: Thigh extension

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Q

What are the actions?

A

Trapezius
Action: Adducts / Extends head

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Q

A

Supraspinatus

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Q

A

Adductor Magnus

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Q

A

Internal Obliques

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Q

A

Gluteus Medius

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Q

Action?

A

Deltoid

Action: Shoulder abduction (when all fibers contract together)

Q

Origin?

Insertion?

Action?

A

Latissumus Dorsi

Orgin:
- T7-L5, iliac crest, sacrum
Insertion: Intertubercular groove of humerus\
Action: Shoulder extension; Arm Adductor

Q

Action?

A

Semimembranosus

Action: Knee flexion

Action?

Vastus Medialis Action: Knee extension

Transversus Abdominis

Temporalis

Soleus

Action?

Sartorius Action: Thigh flexion and ABduction

Action?

Gastrocnemius Action: Planter flexion

Right hand, anterior view

Palmaris Longus

Obicularis Oculi

Action?

Vastus Lateralis Action: Knee Extension

What are the actions?

- Masseter - Action: Elevates / Protracts mandible (jaw closure / biting)

Psoas Major

What are the actions?

- Buccinator - Actions: Compresses cheeks (adults whistling muscles)

Action?

Gracilis Action: Thigh ADduction

Extensor Digitorum Longus

What are actions?

External Intercostals - Actions: Elevate rib cage (inspiration)

Action? | (right hand, anterior view)

Flexor Carpi Radialis - Action: Wrist flexor

Extensor Carpi Radialis Brevis

Flexor Carpi Ulnaris

Posterior of hand Action?

- Extensor Digitorum - Action: Finger extension

Action?

Rectus Femoris Action: Knee extensions

Occipitofrontalis

Extensor Carpi Radialis Longus

Action?

Semitendinosus Action: Knee flexion

Rectus Abdominis

Action?

Triceps Brachii Action: Forearm extension

Action?

Pectoralis Major Action: * Shoulder flexion * Arm adduction

Teres Major

(Posterior view of arm)

Extensor Carpi Ulnaris

Serratus Anterior

- Brachioradialis