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Skeletal Muscles
Function of skeletal muscles
34
Physiology
Undergraduate 4
12/13/2012
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Term
Trapezius
 Definition
Raises scapula and raises arm
Term
Sternocleidomastoid
 Definition
Pulls head from side to side or toward the chest
Term
Latissimus Dorsi
 Definition
Adducts the arm; pulls shoulders posterior and down
Term
Rhomboideus
 Definition
Raises and adducts scapula
Term
Serratus Anterior
 Definition
Pulls scapula anterior and down
Term
Pectoralis Major
 Definition
Pulls arms anterior across the chest; adducts the arm
Term
Deltoid
 Definition
Abducts the arm
Term
Supraspinatus
 Definition
Abducts the arm
Term
Infraspinatus
 Definition
External rotation
Term
Teres Major
 Definition
Internal rotation
Term
Brachialis
 Definition
Flexes forearm at elbow
Term
Biceps Brachii
 Definition
Flexes forearm at elbow
Term
Triceps Brachii
 Definition
Extends forearm at elbow
Term
Brachioradialis
 Definition
Flexes forearm at elbow
Term
External Oblique
 Definition
Tenses the abdominal wall and compresses abdominal cavity
Term
Internal Oblique
 Definition
Tenses the abdominal wall and compresses abdominal cavity
Term
Transverse Abdominis
 Definition
Tenses the abdominal wall and compresses abdominal cavity
Term
Rectus Abdominis
 Definition
Tenses the abdominal wall and compresses abdominal cavity; flexes the vertebral column
Term
Sartorius
 Definition
Flexion and abduction of hip
Term
Tensor Fascia Latae
 Definition
Abduction of hip
Term
Rectus Femoris
 Definition
Extension of knee
Term
Adductor Longus
 Definition
Adduction of hip
Term
Adductor Magnus
 Definition
Adduction of hip
Term
Vastus Lateralis
 Definition
Extends lower leg
Term
Vastus Intermedius
 Definition
Extends lower leg
Term
Vastus Medialis
 Definition
Extends lower leg
Term
Gracilis
 Definition
Adducts thigh
Term
Biceps Femoris
 Definition
Flexes lower leg
Term
Semitendonosus
 Definition
Flexes lower leg
Term
Semimembranosus
 Definition
Flexes lower leg
Term
Gluteus Maximus
 Definition
Extends hip
Term
Tibialis Anterior
 Definition
Dorsi flexion of foot
Term
Gastocnemius
 Definition
Plantar flexion of foot
Term
Soleus
 Definition
Plantar flexion of foot
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