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Muscle Actions
Actions for Upper and Lower Limbs (Gross Anatomy Exam I)
53
Anatomy
Graduate
09/13/2009

Additional Anatomy Flashcards

 


 

Cards

Term
External Rotation of Arm at Shoulder
Definition

Teres Minor, Infraspinatus

Deltoid

Term
Internal Rotation of the Arm at the Shoulder
Definition

Subscapularis, Latissimus Dorsi

Pectoralis Major, Teres Major

Deltoid

Term
Retraction of Shoulder
Definition

Rhomboid Major and Minor

Trapezius

Term
Protraction of Shoulder
Definition

Serratus Anterior

Pectoralis Minor

Term
Shrug Shoulder (Lift)
Definition

Trapezius

Levator Scapulae

Term
Flex Arm at Shoulder
Definition

Deltoid

Pectoralis Major

Coracobrachials

Term
Lateral Rotation of Scapula
Definition

Serratus Anterior

Trapezius

Term
Arm Extension at Shoulder
Definition

Deltoid

Latissimus Dorsi

Term
Initiate Arm Abduction
Definition
Supraspinatus
Term
Arm Abduction
Definition
Deltoid
Term
Arm Adduction
Definition

Latissimus dorsi

Pectoralis Major, Teres Major

Coracobrachials

Term
Medial Rotation of Scapula
Definition

Levator Scapula

Rhomboid Major and Minor

Term
Lower Shoulder
Definition

Trapezius

Subclavius

Pectoralis Minor

Term
Thigh Extension
Definition

*Gluteus Maximus

Hamstrings: semitendonosus

semimembranosus, long head of

biceps femoris, hamstring portion of

adductor magnus

L5, S1, S2

Term
Thigh Flexion
Definition

*Iliopsoas*

Rectus femoris, sartorius,

pectenius, gracilis, adductor longus

L1, L2

Term
Abudct Thigh
Definition

Gluteus Medius & Gluteus Minimus

Tensor Fascia Latae

Sartorius

LPTA

L2, L3, L4

Term
Adduct Thigh
Definition

Adductor magnus, brevis, longus

gracilis

pectineus

L2, L3, L4

Term
Internally Rotate Thigh at Hip
Definition

Adductor longus, brevis, magnus

L2, L3, L4

Term
External Rotation of Thigh at Hip
Definition

Piriformis,

Superior and Inferior gemellus

Quadratis femoris

Obturator Internus, Externus, Sartorius

Sacral Plexus

Term
Extend Leg at Knee
Definition

Quadriceps Femoris

L3, L4

Term
Flex Leg at Knee
Definition

Semimembranosus, Semitendonosus

Long/short head of biceps femoris

gracilis, sartorius,

gastocnemius, plantaris

L5, S1, S2

 

Term
Internally Rotate Leg at Knee
Definition

Sartorius, Gracilis

Semitendonosus, Semimembranosus

Popliteus

Term
Externally Rotate Leg at Knee
Definition
Biceps femoris, (long/short)
Term
Dorsiflex foot at ankle
Definition

*Tibalis anterior*

Extensor hallucis longus

Extensor digitorum longus

Fibularis tertius

L4, L5

Term
Platarflex foot at ankle
Definition

*Gastrocnemius, Soleus*

Plantaris, Tibalis posterior

Fibularis longus, Fibularis brevis

Flexor hallucis longus,

Flexor digitorium longus

S1, S2

Term
Supination (foot)
Definition

Tibalis anterior

Tibalis posterior

L4, L5

Term
Pronation (foot)
Definition

Fibularis Longus

Fibularis brevis

(fibularis tertius)

L5, S1

Term
Flex Toes
Definition

Flexor Digitorum longus

Flexor digitorum brevis

Term
Flex Big Toe
Definition
flexor hallicus longus
Term
Extend Toes
Definition
Extensor Digitorum longus
Term
Extend Big Toe
Definition
extensor hallucis longus
Term
Flex arm at elbow
Definition

Biceps brachii

Brachialis

 

C6

Term
Extension of the arm at elbow
Definition

Triceps Brachii

Anconeus

 

(C7 > C8)

Term
Supination (forearm)
Definition

Supinator

Biceps Brachii

 

C5, C6

Term
Pronation (forearm)
Definition

Pronator Quadratus

Pronator teres

 

(C6, C7)

Term
Flex Hand at Wrist
Definition

Flexor Carpi Radialis

Flexor Carpi Ulnaris

 

C8, T1

Term
Extend Hand at Wrist
Definition

Extensor Carpi Ulnaris

Extensor Carpi Radialis (longus, brevis)

 

C7, C8

Term
Abduct Hand at Wrist
Definition

Flexor Carpi Radialis

Extensor Carpi Radialis (brevis, longus)

 

C7, C8

Term
Adduct Hand at Wrist
Definition

Flexor Carpi Ulnaris

Extensor Carpi Ulnaris

C8, T1

Term
Abduct Thumb
Definition

Abductor Pollicis longus

Abductor pollicis brevis

Term
Adduct thumb
Definition
Adductor Pollicis
Term
Flex Thumb
Definition

Flexor pollicis longus

flexor pollicis brevis

Term
Extend thumb
Definition

Extensor pollicis longus, brevis

Abductor pollicis longus

Term
Finger Flexion
Definition

Flexor Digitorum Profundus

Flexor Digitorum Superficialis

 

@ metacarpophalangeal joint:

1st-4th lumbrical

Term
Finger Extension
Definition

Extensor digitorum

 

@interphalangeal joint:

1-4th lumbricals

Term
Index Finger Extension
Definition
Extensor Indicis
Term
Little Finger Extension
Definition
Extensor Digiti Minimi
Term
Abducts Index, Middle, Ring
Definition
Dorsal Interossei (1-4)
Term
Adducts Index, Ring, and Little Finger
Definition
Palmar Interossei (1,4,5)
Term
Opposes Thumb
Definition
Opponens Pollicis
Term
Abducts little finger
Definition
Abductor digiti minimi
Term
Flexes little finger
Definition
flexor digiti minimi
Term
Laterally rotates little finger
Definition
Opponens digiti minimi
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