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Muscle Flashcards
Learning insertions, organ, and functions of 37 muscles in the body
39
Anatomy
12th Grade
10/22/2013

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Cards

Term
Obicularis Oculi
Definition
Origin- surrounds the eye
Insertion- Surrounds the eye
Function- wink
Term
Obicularis Oris
Definition
Surrounds the mouth
Function- pucker lips
Term
Platysma
Definition
Origin- fascia of pectoralis major
Insertion- mandible
Function- pouting/ open jaw
Term
Masseter
Definition
Origin- zygomatic
Insertion- mandible
Function- closes jaw
Term
Sterno(cleido)mastoid
Definition
Origin- sternum and clavicle
Insertion- temporal bone
Function- turn head or flex head
Term
Trapezius
Definition
Origin- occipital bone, cervical and thoracic vertebrae
Insertion- clavical and scapula
Function-shrug shoulders and extend head
Term
Latissimus Dorsi
Definition
Origin- lumbar and thoracic vertebrae
Insertion- humerous
Function-adduct arms posteriorly (pull down)
Term
Pectoralis Major
Definition
Origin-sternum
Insertion- humerous
Function-adduct arms anteriorly
Term
Serratus anterior
Definition
Origin- upper 8 ribs
Insertion- scapula
Function- pushing (bench press)
Term
Deltoid
Definition
Origin- scapula/clavicle
Insertion-humerous
Function-abduct arms
Term
Biceps Brachii
Definition
Origin-scapula
Insertion-radius
Function-flex lower arm and upper arm
Term
Triceps Brachii
Definition
Origin- scapula/humerous
Insertion- ulna
Function- extends lower arm
Term
External Intercostal
Definition
Origin- ribs above
Insertion-ribs below
Function- elevates ribs (inhale)
Term
Internal Intercostal
Definition
Origin- ribs below
Insertion- ribs above
Function-depress ribs (exhale)
Term
External Oblique
Definition
Origin-lower ribs
Insertion- illiac crest and linea alba
Function-compress abdomen (crunches)
Term
Internal Oblique
Definition
Origin- illium
Insertion- linea alba
Function-compress abdomen (crunches)
Term
Transverse Abdominus
Definition
Origin-lumbar vertebrae
Insertion-linea alba
Function- compress abdomen (crunches)
Term
Rectus Abdominus
Definition
"Six Pack"
Origin-pubic symphysis
Insertion-xiphoid process
Function-flex torso
Term
Gluteus Maximus
Definition
Origin-illum, sacrum, coccyx
Insertion-femur
Function-extends upper leg
Term
Gluteus Medius
Definition
Origin-illium
Insertion-femur
Function-abducts upper leg
Term
Gluteus Minimus
Definition
Origin-illium
Insertion-femur
Function-abducts upper leg
Term
Iliopsoas
Definition
Origin-lumbar vertebrae/ illium
Insertion-femur
Function-flex upper leg
Term
Adductor brevis
Definition
Origin-pubic bone
Insertion-femur
Function-adduct upper leg
Term
Adductor longus
Definition
Origin-pubic bone
Insertion-femur
Function-adduct upper leg
Term
Adductor Magnus
Definition
Origin- ischium
Insertion-femur
Function-adducts upper leg
Term
Sartorius
Definition
"crossing legs"
Origin-illum
Insertion-tibia
Function-flex knee and thigh
Term
What 4 muscles make up the quadriceps?
Definition
Rectus Femoris, Vastus Medialis, Vastus Lateralis, Vastus Intermedius
Term
Rectus Femoris
Definition
Origin-illium
Insertion-patella then to tibia
Function-flex thigh/extend lower leg
Term
Vastus Medialis
Definition
Origin-femur
Insertion-patella then to tibia
Function- extend lower leg
Term
Vastus Lateralis
Definition
Origin-femur
Insertion-patella then to tibia
Function-extend lower leg
Term
Vastus Intermedius
Definition
Origin-femur
Insertion-patella then to tibia
Function-extend lower leg
Term
What 3 muscles make up the hamstrings?
Definition
Biceps Femoris, Semitendinosus, Semimembranosus
Term
Biceps Femoris
Definition
Origin-ischium
Insertion- tibia and fibula
Function-flex lower leg/extend thigh
Term
Semitendinosus
Definition
Origin-ischium
Insertion-tibia
Function-flex lower leg/extend thigh
Term
Semimembranosus
Definition
Origin-ischium
Insertion-tibia
Function-flex lower leg/extend thigh
Term
Gastrocnemius
Definition
"calf"
Origin-femur
Insertion-calcaneus
Function-plantar flexion and flex knee
Term
Soleus
Definition
Origin- fibula and tibia
Insertion-calcaneus
Function-plantar flexion
Term
Anterior Tibial
Definition
Origin-tibia
Insertion-1st metatarsal
Function-inversion and dorsal flexion
Term
Sacrospinalis
Definition
Origin- connecting vertebrae below
Insertion- vertebrae above
Function- extend torso
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