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Anatomy test 2: muscles
origins and insertions
36
Anatomy
Undergraduate 2
10/28/2013

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Term
spinotrapezius: origin
Definition
spines of thoracic vertebrae
Term
spinotrapezius: insertion
Definition
spine of scapula
Term
spinotrapezius: action
Definition
pulls scapula back and caudal
Term
rhomboid minor: origin
Definition
spines of thoracic vertebrae
Term
rhomboid minor: insertion
Definition
vertebral border of scapula
Term
rhomboid minor: action
Definition
pulls scapula back and medial
Term
splenius: origin
Definition
spines of thoracic vertebrae
Term
splenius: insertion
Definition
lambdoidal ridge
Term
splenius: action
Definition
turns and raises head
Term
pectoantebrachealis: origin
Definition
manubrium
Term
pectoantebrachialis: insertion
Definition
proximal end of forearm
Term
pectoantebrachialis: action
Definition
adducts arm
Term
rectus abdominis: origin
Definition
pubic bone
Term
rectus abdominis: insertion
Definition
costal cartilage of ribs
Term
rectus abdominis: action
Definition
compresses abdomen
Term
serratus ventralis: origin
Definition
1st 10 ribs
Term
serratus ventralis: insertion
Definition
medial surface of scapula
Term
serratus ventralis: action
Definition
pulls scapula forward
Term
triceps brachii: origin
Definition
lateral border of scapula
Term
triceps brachii: insertion
Definition
olecrenon process of ulna
Term
triceps brachii: action
Definition
extends forearm
Term
biceps brachii: origin
Definition
tuberosity near glenoid fossa and coracoid process of scapula
Term
biceps brachii: insertion
Definition
radial tuberosity
Term
biceps brachii: action
Definition
flexes and supinates forarm
Term
sartorius: origin
Definition
ilium
Term
sartorius: insertion
Definition
patella
Term
sartorius: action
Definition
adducts and rotates femur; extends tibia
Term
adductor longus: origin
Definition
pubis
Term
adductor longus: insertion
Definition
linea aspera of femur
Term
adductor longus: action
Definition
adducts thigh
Term
gluteus maximus: origin
Definition
transverse process of last sacral and 1st caudal vertebrae
Term
gluteus maximus: insertion
Definition
greater trochanter of femur
Term
gluteus maximus: action
Definition
abducts thigh
Term
gastrocnemius: origin
Definition
knee fascia and distal end of femur
Term
gastrocnemius: insertion
Definition
calcaneus by the calcaneal tendon
Term
gastrocnemius: action
Definition
extends foot
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