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muscles orig and ins

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Muscle
Origin
Insertion
Function
Rectus Femoris   capsule of hip joint   patella and tibia   extends knee  
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Vastus Lateralis   femoral surface   patella and tibia   extends knee  
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Vastus Medialis   femoral surface   patella and tibia   extends knee  
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Vastus Intermedius   femoral surface   patella and tibia   extends knee  
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Fibularis Longus   head and proximal 2/3 fibula   medial cuneiform, metatarsal I   plantar flexes foot, sole concavity  
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Soleus   Posterior fibula head, middle 1/3 tibia   Calcaneus   plantar flexes foot  
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Gastrocnemius   femur   calcaneus   plantar flexes foot  
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Popliteus   lateral condyle of femur   posterior surface of tibia   allows flexion, rotation  
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Semimembranosus   ischial tuberosity   medial condyle of tibia, lateral condyle of femur   flexes knee  
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Semitendinosus   ischial tuberosity   medial surface of upper tibia   flexes knee  
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Biceps Femoris   Long: ischial tuberosity Short: linea aspera of femur   Fibula head   flexes knee  
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Teres Major   inferior angle of scapula   humerus   extends and rotates humerus  
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Subscapularis   subscapular fossa of scapula   humerus   rotates humerus medially  
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Biceps Brachii   humerus   radius   elbow flexion, supination of forearm  
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Triceps Brachii   Long: glenoid cavity Lateral: proximal end of humerus Medial: humerus shaft   olecranon   extends elbow  
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Sartorius   acetabulum   medial proximal end of tibia   knee and hib flexion  
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Gluteus Maximus   coccyx, posterior ilium   tuberosity of femur, lateral condyle of tibia   extends thigh  
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Tensor Fasciae Latae   iliac crest   lateral condyle of tibia   extends knee  
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Tibialis Anterior   lateral condyle of tibia   medial cuneiform   extends foot  
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Brachioradialis   humerus   radius   flexes elbow  
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Brachialis   humerus   coronoid process of ulna   flexes elbow  
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Latissimus Dorsi   C7-T5, iliac crest   humerus   extends shoulder joint, adducts humerus  
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Deltoid   Acromion and spine of scapula; clavicle   deltoid tuberosity of humerus   flex and rotate arm  
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Infraspinatus   infraspinous fossa of scapula   greater tubercle of humerus   rotates humerus laterally  
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Supraspinatus   supraspinous fossa of scapula   greater tubercle of humerus   aids deltoid w/ abduction of arm  
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Teres Minor   lateral border, posterior surface of scapula   greater tubercle of humerus   rotates humerus laterally  
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Serratus Anterior   All ribs   medial border of scapula   protracts scapula  
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Rhomboid   spinous processes of C7-t5   medial border of scapula   retracts scapula  
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Pectoralis Major   medial 1/2 clavicle, lateral margin of sternum   humerus   flexes and adducts humerus  
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Levator Scapulae   transverse processes of c1-c4   medial border of scapula   flexes neck, retracts scapula  
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Trapezius   spinous processes of C7-T3 or T4   spine of scapula, lateral 1/3 clavicle   extends neck, stabilizes scapula  
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Fibularis Brevis   lateral surface of distal 2/3 fibula   base of metatarsal V   steady leg on foot  
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Gluteus Medius and Minimus   lateral surface of ilium   greater trochanter of femur   abduct and rotate thigh  
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