Muscle Functions Flashcards by Katelyn Morgan

Which muscles move the pectoral girdle?

-Pectoralis Minor
-Levator Scapula
-Serratus Anterior
-Trapezius
-Subclavius

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Which are the muscles of the abdomen?

-External Oblique
-Internal Oblique
-Transverse Abdominis
-Rectus Abdominis

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Which are the muscles for breathing?

-Internal Intercostals
-External Intercostals
-External Oblique
-Internal Oblique
-Pectoralis Minor
-Rectus Abdominis
-Transverse Abdominis
-Linea Alba

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Which muscles move the humerus?

-Coracobrachialis
-Latissimus Dorsi
-Deltoid
-Supraspinatus
-Pectoralis Major
-Subscapularis
-Teres Major

Only seen posteriorly:
-Rhomboid Major
-Rhomboid Minor
-Teres Minor
-Infraspinatus

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Which muscles move the ulna and radius?

-Anconeus
-Brachialis
-Biceps Brachii
-Triceps Biceps Brachii (lateral head, medial and long head)

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Which muscles move the forearm/hand?

-Adductor Pollicis Longus
-Flexors
-Anconeus
-Extensors

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Which muscles move the thigh?

-Semitendinosus
-Adductor Magnus
-Iliotibial Tract
-Satorius
-Gluteus Medius
-Gracailis
-Vastus Lateralis
-Gastrocnemius
-Gluteus Maximus
-Biceps Femoris
-Tensor Fasciae Latae

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Which muscles laterally rotate the hip?

-Gluteus Maximus
-Piriformis
-Obturator Internus
-Obturator Externus
-Quadratus Femoris
-Superior Gemellus
-Inferior Gemellus
-Iliopsoas
-Sartorius

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Which muscles medially rotate the hip?

-Gluteus Medius
-Gluteus Minimus
-Tensor Fasciae Latae
-Gracilis

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Which muscles flex the hip?

-Tensor Fasciae Latae
-Iliopsoas
-Sartorius
-Rectus Femoris
-Pectineus
-Adductor Longus
-Adductor Magnus
-Adductor Brevis
-Gracilis

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Which muscles extend the hip?

-Gluteus Maximus
-Biceps Femoris
-Semitendinosus
-Semimembranosus
-Adductor Magnus (hamstring)

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Which muscles abduct the hip?

-Gluteus Medius
-Gluteus Minimus
-Tensor Fasciae Latae

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Which muscles adduct the hip?

-Adductor Magnus
-Pectineus
-Adductor Longus
-Adductor Brevis
-Gracilis

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Which muscles flex the knee?

-Sartorius
-Biceps Femoris
-Semitendinosus
-Semimembranosus
-Gracilis
-Plataris

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Which muscles extend the knee?

-Rectus Femoris
-Vastus Lateralis
-Vastus Intermedius
-Vastus Medialis

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Which muscles flex the foot?

-Soleus
-Plataris (Posterior)
-Tibialis Anterior
-Flexors
-Fibularis (peroneus) Brevis
-Fibularis (peroneus) Longus

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Which muscle group dorsiflexes the digits (toes)? What compartment are they located in?

The extensors - found in the anterior compartment

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Which muscle group plantar-flexes the digits (toes)? What compartment are they located in?

The flexors - posterior/lateral compartment

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Which muscles laterally rotate the head?

-Sternocleidomastoid
-Scalenes
-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis

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Which muscles flex the head?

-Sternocleidomastoid
-Scalenes
-Splenius Capitis and Splenius Cervicis
-Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis
-Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis
-Iliocostalis Cervicis, Iliocostalis Thoracis, Iliocostalis Lumborum
-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis
-External Oblique

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Which muscles extend the head?

-Sternocleidomastoid
-Splenius Capitis and Splenius Cervicis
-Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis
-Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis
-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis

Which muscles laterally rotate the neck?

-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis

Which muscles flex the neck?

-Sternocleidomastoid
-Scalenes
-Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis
-Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis
-Iliocostalis Cervicis, Iliocostalis Thoracis, Iliocostalis Lumborum

Which muscles extend the neck?

-Splenius Capitis and Splenius Cervicis
-Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis
-Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis
-Iliocostalis Cervicis, Iliocostalis Thoracis, Iliocostalis Lumborum
-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis

Which muscles laterally rotate the trunk?

-Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis

Which muscles depress the trunk?

-Sternocleidomastoid (sternum)

Which muscles flex the trunk?

Laterally Flex ONLY -Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis -Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis -Iliocostalis Cervicis, Iliocostalis Thoracis, Iliocostalis Lumborum -External Oblique -Rectus Abdominis -Internal Oblique -Quadratus Lumborum -Scalenes (ribs)

Which muscles extend the trunk?

-Spinalis Capitis, Spinalis Cervicis and Spinalis Thoracis -Longissimus Capitis, Longissimus Cervicis, Longissimus Thoracis -Iliocostalis Cervicis, Iliocostalis Thoracis, Iliocostalis Lumborum -Semispinalis Capitis, Semispinalis Cervicis, Semispinalis Thoracis -Quadratus Lumborum

Which muscles increase the size of the thoracic cavity?

-Diaphragm -External Intercostals

Which muscle decreases the size of the thoracic cavity?

-Internal Intercostals

Which muscles compress the abdomen?

-Transverse Abdominis -Rectus Abdominis -External Oblique -Internal Oblique

Which muscles protract the shoulder?

-Petorlis Minor -Serratus Anterior

Which muscles retract the shoulder?

-Trapezius -Rhomboid Minor + Major

Which muscles downward rotate the shoulder?

-Petorlis Minor -Trapezius -Levator Scapulae -Rhomboid Minor + Major

Which muscles upward rotate the shoulder?

-Serratus Anterior -Trapezius

Which muscles laterally rotate the shoulder?

-Deltoid (posterior) -Infraspinatus -Teres Minor

Which muscles medially rotate the shoulder?

-Deltoid (anterior) -Latissimus Dorsi -Pectoralis Major -Teres Major -Subscapularis

Which muscles elevate the shoulder?

-Trapezius -Levator Scapula -Rhomboid Minor + Major

Which muscle depresses the shoulder?

-Trapezius

Which muscles flex the shoulder?

-Deltoid (anterior) -Coracobrachialis -Biceps Brachii

Which muscles extend the shoulder?

-Deltoid (posterior) -Latissimus Dorsi -Pectoralis Major -Teres Major -Triceps Brachii

Which muscles abduct the shoulder?

-Deltoid (lateral) -Supraspinatus

Which muscles adduct the shoulder?

-Latissimus Dorsi -Pectoralis Major -Teres Major -Coracobrachialis

Which muscles elevate the ribs?

-Petorlis Minor -Serratus Anterior

Which muscles flex the elbow?

-Biceps Brachii -Brachialis -Brachioradialis

Which muscles extend the elbow?

-Triceps Brachii -Anconeus

Which muscles supinate the forearm?

-Biceps Brachii -Pronator teres -Pronator quadratus -Supinator -Brachioradialis

Which muscle pronates the forearm?

-Brachioradialis

Which muscle group flexes the digits (fingers)? Where are they located?

The flexors - anterior portion

Which muscle group extends the digits (fingers)? Where are they located?

The extensors - posterior portion