Chapter 9 Muscles and Action YOU NEED TO KNOW Flashcards by Frances Santiago

Q

Sternocleidomastoid

A

Neck Flexion, lateral flexion of head

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Q

Pectoralis major

A

Arm flexion and adduction

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Q

Serratus anterior

A

Scapula protraction and rotation

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Q

Deltoid

A

Arm abduction, flexion and extension

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Q

Pectoralis minor

A

Scapula protraction

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Q

Internal intercostals, external intercostals, diaphragm

A

Muscles of respiration

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Q

Rectus abdominis

A

Flexes and rotates trunk. Abdominal compression

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Q

External oblique

A

Laterally flexes and rotates trunk. Abdominal compression

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Q

Internal oblique

A

Laterally flexes and rotates trunk. Abdominal compression

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Q

Transversus abdominis

A

Abdominal compression

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Q

Trapezius

A

Extends head, elevates scapula

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Q

Latissimus dorsi

A

Arm extension, adduct and rotates arm

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Q

Infraspinatus

A

Arm rotation

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Q

Supraspinatus

A

Arm abduction

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Q

Teres minor

A

Arm rotation

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Q

Teres major

A

Arm extension, adduct and rotates arm

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Q

Levator scapulae

A

Scapula elevation and adduction

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Q

Rhomboids

A

Scapula retraction

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Q

Erector spinae (spinalis, iliocostalis, longissimus)

A

Extend and bend trunk laterally. Extend head.

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Q

Quadratus lumborum

A

Lateral trunk flexion

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Q

Biceps brachii

A

Arm and elbow flexion (supinated)

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Q

Brachialis

A

Elbow flexion (pronated)

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Q

Brachioradialis

A

Elbow Flexion (thumbs up)

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Q

Coracobrachialis

A

Shoulder flexion

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Q

Triceps brachii

A

Shoulder and elbow extension

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Q

Pronator teres

A

Pronates forearm

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Q

Flexor carpi radialis

A

Wrist flexor

Q

Palmaris longus

A

Wrist flexor

Q

Flexor carpi ulnaris

A

Wrist flexor

Q

Flexor digitorum superficialis

A

Wrist flexor, Phalange flexor

Q

Flexor pollicis longus

A

Thumb flexor

Q

Flexor digitorum profundus

A

Wrist flexor, Phalange flexor

Q

Extensor carpi radialis longus

A

Wrist extensor

Q

Extensor carpi radialis brevis

A

Wrist extensor

Q

Extensor digitorum

A

Wrist extensor

Q

Extensor carpi ulnaris

A

Wrist extensor

Q

Extensor pollicis longus and brevis

A

Thumb extensor

Q

Abductor pollicis longus

A

Thumb extensor and abductor

Q

Supinator

A

Supinates forearm

Q

Illiopsoas

A

Trunk/Hip flexion

Q

Sartorius

A

Hip flexion, rotation, abduction. Knee flexion.

Q

Adductor longus

A

Hip adduction and rotation

Q

Adductor magnus

A

Hip adduction and rotation

Q

Adductor brevis

A

Hip adduction and rotation

Q

Gracilis

A

Hip adduction, flexion, and rotation.

Q

Quadriceps femoris

A

Q

Rectus femoris

A

Hip flexion, Knee extension

Q

Vastus lateralis

A

Knee extension

Q

Vastus medialis

A

Knee extension

Q

Vastus intermedius

A

Knee extension

Q

Tensor fasciae latae

A

Hip flexion, abduction, rotation

Q

Gluteus maximus

A

Hip extension

Q

Gluteus minimus

A

Hip abduction and rotation

Q

Hamstrings

A

Q

Biceps femoris

A

Hip extension, Knee flexion

Q

Semitendinosus

A

Hip extension, Knee flexion

Q

Semimembranosus

A

Hip extension, Knee flexion

Q

Fibularis longus

A

Dorsiflexion, plantar flexion

Q

Fibularis brevis

A

Dorsiflexion, plantar flexion

Q

Tibialis anterior

A

Dorsiflexion

Q

Extensor digitorum longus

A

Toe extension

Q

Extensor hallucis longus

A

Extends big toe, dorsiflexion

Q

Gastrocnemius

A

Plantar flexion

Q

Soleus

A

Plantar flexion

Q

Tibialis posterior

A

Inversion, Plantar flexion

Q

Flexor digitorum longus

A

Plantar flexion, toe flexion

Q

Flexor hallicus longus

A

Flexes big toe, Plantar flexion