The flashcards below were created by user
Liveinrainbow
on FreezingBlue Flashcards.
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Biceps Brachii
- Action: Flex arm at elbow
- Origin: Scapula
- Insertion: Radius
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Triceps Brachii
- Action: Extend arm at elbow
- Origin: Scapula/humerus
- Insertion: Ulna by tendon over elbow
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Quadriceps Femoris
- Action: Extend lower leg at knee
- Origin: Illium/femur
- Insertion: Tibia tendon over patella
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Hamstrings
- Action: Flex lower leg at knee
- Origin: Ischium/Femur
- Insertion: Tibia/Fibula
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Trapezius
- Action: Pulls back head/ shrugs shoulders
- Origin: Occipital bone/ thoracic spines
- Insertion: Pectoral Girdle
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Rectus Abdominus
- Action: Flex vertebral column forward
- Origin: Pelvis
- Insertion: Sternum/ cartilage 4 ribs
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Sternocleidomastoid
- Action: Draw head down on chest/ turn head sideways
- Origin: Sternum/ clavicle
- Insertion: Mastoid process of temporal lobe
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Gastrochemius
- Action: Extend foot down at ankle/ Plantar flex sole down
- Origin: Femur/ knee capsule
- Insertion: Calcaneus by achilles tendon
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Tibialis Anterior
- Action: Inverts foot up at ankle/ dorsiflex the foot
- Origin: Tibia
- Insertion: First metatarsal
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Deltoid
- Action: Lifts arm up at shoulder/ draws arm out to side
- Origin: Clavicle/ scapula
- Insertion: Humerus
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Latissimus Dorsi
- Action: Pulls arm across back/ retracts shoulder
- Origin: Spines of thoracic and lumbar vertebrae/ sacrum/ illium
- Insertion: Humerus
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Pectoralis Major
- Action: Pulls arm across the chest
- Origin: Clavicle/ sternum/ ribs 1-6
- Insertion: Humerus
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Frontalis
- Action: Raise/ Lower eyebrows/ scrunch forehead
- Origin: Frontal Bone
- Insertion: Eye Socket
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Masseter
- Action: Raises/ lowers jaw to chew
- Origin: Zygomatic arch
- Insertion: Madibular arch
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Orbicularis Oculi
- Action: Wink eye and blink
- Origin: Around orbit bone (eye socket)
- Insertion: Around eyelid
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Orbicularis Oris
- Action: Protrudes lips (whistling/ kissing)
- Origin: Circle around mouth
- Insertion: Corners of mouth
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Gluteus Maximus
- Action: Extends and rorates thigh/ forms much of buttocks
- Origin: Illium/ sacrum/ coccyx (pelvic girdle)
- Insertion: Femur
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