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Upper Limb - Muscles and Ligaments
muscle actions and purposes of ligaments
24
Anatomy
Graduate
06/08/2009

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Cards

Term
flexion of the elbow
Definition
biceps brachii, brachioradialis, brachialis
Term
extension of the elbow
Definition
triceps brachii, anconeus
Term
pronation of the elbow
Definition
pronator teres, pronator quadratus
Term
supination of the elbow
Definition
biceps brachii, supinator
Term
external (lateral) rotation of the shoulder
Definition
SITS muscles
Term
internal rotation of the shoulder
Definition
pectoralis major, pectoralis minor, latissimus dorsi
Term
adduction of the hip
Definition
adductor brevis, adductor longus, adductor magnus, pectineus, gracilis
Term
abduction of the hip
Definition
gluteus medius and minimus
Term
extension of the hip
Definition
gluteus maximus
Term
flexion of the hip
Definition
iliopsoas
Term
external rotation of the hip
Definition
internal and external obturators, quadratus femoris, superior and inferior gemelli
Term
internal rotation of the hip
Definition
gluteus medius and minimus
Term
LCL (lateral collateral ligament)
Definition
connects the lateral femoral epicondyle and the head of the fibula
Term
ACL (anterior cruciate ligament)
Definition
prevents tibia from sliding forward on the femur
Term
PCL (posterior cruciate ligament)
Definition
prevents the tibia from sliding backward on the femur
Term
MCL (medial collateral ligament)
Definition
connects the medial femoral epicondyle to the medial condyle of the tibia
Term
medial and lateral menisci
Definition
cushion the action of the femur on the tibia
Term
knee stability
Definition
collateral ligaments, cruciate ligaments, and menisci
Term
extension of the leg
Definition
quadriceps femoris
Term
flexion of the knee
Definition
hamstring muscles
Term
hamstring muscles include:
Definition
semimembranous, gracilis, satorius, semitendinosus
Term
quadriceps femoris muscles include:
Definition
rectus femoris, vastus lateralis, vastus medialis
Term
latissimus actions
Definition
internal rotation
adduction
extension
Term
rhomboids - actions
Definition
depresses the shoulder
retracts the scapula
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