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Location and action of GASTROCNEMIUS
Posterior distal leg, flex knee
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Origin & insertion for GASTROCNEMIUS
Origin Femur, Insertion Calcaneus
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Keypoint for GASTROCNEMIUS
2 muscle bellies
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Location & action for SOLEUS
Posterior distal leg, plantar flex ankle
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Origin & Insertion for SOLEUS
Origin tibia & fibula, Insertion calcaneus
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Keypoint for SOLEUS
aka second heart
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Location & action of TIBIALIS ANTERIOR
Anterior or distal leg, invert foot
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Origin & Insertion of TIBIALIS ANTERIOR
Origin tibia, insertion base of 1st metatarsal
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Keypoint for TIBIALIS ANTERIOR
Crosses over Tibia
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Location & action of PERONEUS LONGUS & BREVIS
Lateral distal leg & evert foot
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Origin & insertion of PERONEUS LONGUS & BREVIS
Origin fibula, insertion 5th & 1st metatarsal
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Keypoint for PERONEUS LONGUS & BREVIS
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Muscles in HAMSTRING GROUP, location & action
Biceps femoris, semitendinosus, semimembrinosus; posterior distal leg, flex knee
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Keypoint for HAMSTRINGS GROUP
All 3 hamstrings originate at ischial tuberosities (sits bone)
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Muscles in QUADRICEPS GROUP; location & action
Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius; anterior proximal leg, extend knee.
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Keypoint for QUADRICEPS FEMORIS
all 4 merge into one tendon above patella
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Location & action for TRAPEZIUS
superior back & neck; rotate neck.
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Origin & insertion for TRAPEZIUS
Cranium / spine; clavicle
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Location & action of RHOMBOIDS ( Major & Minor)
Medial superior back; adduct scapula
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Origin & insertion of RHOMBOIDS
Origin spine; insertion scapula
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Keypoint for RHOMBOIDS
these muscles are difficult to distinguish individually
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Location & action for LATISSIMUS DORSI
Mid - low back, extend shoulder
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Origin & insertion of LATISSIMUS DORSI
Origin posterior iliac crest; insertion intertubercular groove of the humerus
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Keypoint for LATISSIMUS DORSI
broadest muscle of the back
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Location & action of LEVATOR SCAPULA
Location lateral & posterior neck; action rotate neck
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Origin & insertion of LEVATOR SCAPULA
origin trasverse processes c1-c4; insertion medial border of scapula
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Location & action of TERES MAJOR
- aka lat's little helper
- location lateral back; action extend shoulder
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Origin & insertion of TERES MAJOR
origin lower 1/3 of lateral border; insertion crest of lesser tubercle of the humerus
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Keypoint for TERES MAJOR
Superior to lats
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Muscles in ERECTOR SPINAE GROUP; location & action
Spinalis, longissimus, iliocastalis. location medial back; action extend spine.
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Keypoint for ERECTOR SPINAE GROUP
aka Postural muscles
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Muscles in GLUTEAL GROUP; location & action
Gluteus maximus, gluteus medius, gluteus minimus; location posterior pelvis; action rotate hip
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