Appendicular Muscles: Actions ONLY Flashcards
Pectoralis Minor
Depresses and pulls scapula anteriorly
Serratus Anterior
Draws scapula forward along thoracic wall, rotates scapula.
Trapezius
Elevates, depresses, rotates adducts scapula.
Deltoid
Abducts; flexes and medially rotates; extends and laterally rotates arm.
Latissimus Dorsi
Extends, adducts, and medially rotates arm.
Pectoralis Major
Flexes, medially rotates, and adducts arm.
Supraspinatus
Arm abduction
Infraspinous
Laterally rotates arm
Teres Major
Adducts extends and medially rotates the arm.
Teres Minor
Laterally rotates arm
Subcapularis
Medially rotates arm
Biceps Brachii (long head and short head)
Flexes arm and forearm and supinates forearm.
Brachialis
Flexes forearm
Long head of Triceps Brachii
Extends arm and forearm extension.
Lateral head of triceps brachii
Forearm extension
Medial head of triceps brachii
forearm extension
Pronator Teres
Pronates arm
Flexor carpi radialis
Flexes and abducts hand
Palmaris Longus
Flexes hand
Flexor Carpi Ulnaris
Flexes and adducts hand
Flexor digitorum superficialis
Flexes phalanges
Flexor digitorum profundus
Flexes phalanges
Brachioradialis
Flexes forearm
Extensor Carpi radialis longus
extends and abducts hand
Extensor carpi radialis brevis
Extends and abducts hands
Extensor Digitorum
Extends fingers and hand
Extensor carpi ulnaris
Extends and adducts hand
Gluteus Maximus
Extends and laterally rotates hip
Gluteus Medius
Abducts thigh at hip
Biceps femoris
(short head)
Flexes and laterally rotates leg at knee
Biceps femoris Long Head
Extends thigh at the hip
Semitendinosus
Extends thigh at hip; flexes and medially rotates leg at knee.
Semimembranosus
Extends thigh at hip; flexes and medially rotates leg at knee.
Gracilis
Adducts thigh at hip; flexes leg at knee.
Adductor Longus
Adduct and flexes thigh at hip
Adductor Brevis
Adducts thigh at hip
adductor magnus
Adducts and flexes thigh at hip
iliopsoas
flexes hip
Sartorius
flexes, laterally rotates thigh; flexes and medially rotates leg at the knee.
Quadriceps Femoris (all four muscles, rectus femoris, vastus laterlis, vastus medialis, vastus intermedius)
extend leg at knee
Quadriceps femoris- rectus femoris only
Flexes thigh at hip
Pectineus
Flexes, adducts thigh.
Tensor Fascia Latae
flexes and abducts thigh
Tibialis Anterior
Dorsiflexes and inverts the foot; extends toe
Extensor digitorum longus
dorsiflexes foot and extends toes.
Fibularis (peroneus) longus
Plantar flexes and everts foot
Fibularis (peroneus brevis)
Plantar flexes and everts foot.
Gastrocnemius
Plantar flexes the foot weak flexor of leg at knee.
Soleus
Plantar flexes the foot
Flexor Digitorum Longus
Plantar flexes and inverts floor; flexes toes.