Muscles of the Upper Limb, Lower Limb, and Abdomen

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Can you name the Muscles of the Upper Limb, Lower Limb, and Abdomen?

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CompartmentMuscleAction
vertebral columnDescending (superior) part elevates; ascending (inferior) part depresses; and middle part (or all parts together) retracts scapula; descending and ascending parts act together to rotate glenoid cavity superiorly
vertebral columnpulls the forelimb dorsally and caudally
vertebral columnRetracts the scapula and rotates it to depress the glenoid cavity. It also fixes the scapula to the thoracic wall.
vertebral columnRetracts the scapula and rotates it to depress the glenoid cavity. It also fixes the scapula to the thoracic wall.
vertebral columnElevates scapula and tilts its glenoid cavity inferiorly by rotating scapula
vertebral columnExtend, rotate, and laterally flex the head
vertebral columnextends vertebral column
thoracic wallClavicular head: flexes the humerus; Sternocostal head: extends the humerus. As a whole, adducts and medially rotates the humerus. It also draws the scapula anteriorly and inferiorly.
thoracic wallstabilizes the scapula by drawing it inferiorly and anteriorly against the thoracic wall
thoracic walldepression of clavicle
thoracic wallprotract and stabilize scapula, assists in upward rotation
shouldershoulder abduction, flexion and extension
shoulderInternal rotation of the humerus
shoulder: rotator cuffabduction of arm and stabilizes humerus
shoulder: rotator cuffLateral rotation of arm & Adduction of arm and stabilizes humerus
shoulder: rotator cufflaterally rotates and adducts the arm
shoulder: rotator cuffrotates medially humerus; stabilizes shoulder
arm: anterioradducts humerus
arm: anteriorflexes elbow and supinates forearm
arm: anteriorflexion at elbow joint
arm: posteriorextends forearm, caput longum adducts shoulder
arm: posteriorpartly blended in with the triceps, which it assists in extension of the forearm. Stabilises the elbow and abducts the ulna during pronation.
forearm: anterior (superficial)pronation of forearm, flexes elbow
forearm: anterior (superficial)wrist flexor
forearm: anterior (superficial)Flexion and abduction at wrist
forearm: anterior (superficial)flexion of wrist
forearm: anterior (superficial)flexor of fingers (primarily at proximal interphalangeal joints)
forearm: anterior (deep)pronates the forearm
forearm: anterior (deep)flex hand, interphalangeal joints
forearm: anterior (deep)Flexion of the thumb
forearm: posterior (superficial)Flexion of forearm
forearm: posterior (superficial)extensor at the wrist joint, abducts the hand at the wrist
forearm: posterior (superficial)extensor and abductor of the hand at the wrist joint
forearm: posterior (superficial)extension of hand and fingers
forearm: posterior (superficial)extends the little finger at all joints
forearm: posterior (superficial)extends and adducts the wrist
forearm: posterior (deep)supinates forearm
forearm: posterior (deep)abduction, extension of thumb
forearm: posterior (deep)extension of thumb at metacarpophalangeal joint
forearm: posterior (deep)extension of the thumb (metacarpophalangeal and interphalangeal)
forearm: posterior (deep)extends index finger, wrist
hand: lateral volarOpposition of the thumb
hand: lateral volarFlexion of thumb
hand: lateral volarAbduction of thumb
hand: lateral volaradducts the thumb at the carpometacarpal joint
hand: medial volarwrinkle skin of palm
hand: medial volarAbduction of little finger
hand: medial volarflexes little finger
hand: medial volarDraws 5th metacarpal anteriorly and rotates it, bringing little finger (5th digit) into opposition with thumb
hand: intermediateflex metacarpophalangeal joints, extend interphalangeal joints
hand: intermediateabduct finger
hand: intermediateadduction
abdomen: anteriorRotates torso
abdomen: anteriorCompresses abdomen and rotates vertebral column.
abdomen: anteriorcompress the ribs and viscera, providing thoracic and pelvic stability
CompartmentMuscleAction
abdomen: anteriorflexion of trunk/lumbar vertebrae
abdomen: anteriortensing the linea alba
abdomen: anteriorraise and lower the scrotum
abdomen: posteriorAlone, lateral flexion of vertebral column; Together, depression of thoracic rib cage
abdomen: posteriorflexes thigh at hip, stabilizes hip
abdomen: posteriorflexes thigh at hip, stabilizes hip joint
abdomen: posteriorflexes thigh at hip, stabilizes hip
gluteal regionpowerfully extends thigh, laterally rotates thigh, steadies thigh
gluteal regionabduct and medially rotates thigh, keeps pelvis level when weight is on one leg
gluteal regionabduct and medially rotates thigh, keeps pelvis level when weight is on one leg
gluteal regionabduct and medially rotates thigh, keeps pelvis level when weight is on one leg
gluteal regionlaterally rotates extended thigh and abducts flexed thigh, steadies femoral head in acetabulum
gluteal regionlaterally rotates extended thigh and abducts flexed thigh, steadies femoral head in acetabulum
gluteal regionlaterally rotates thigh, steadies head of femur in acetabulum
gluteal regionlaterally rotates extended thigh and abducts flexed thigh, steadies femoral head in acetabulum
gluteal regionlaterally rotates extended thigh and abducts flexed thigh, steadies femoral head in acetabulum
gluteal regionlaterally rotates thigh, steadies femoral head in acetabulum
thigh: anteriorflexes, abducts, laterally rotates thigh at hip joint, flexes leg at knee
thigh: anteriorextends leg at knee joint, steadies hip joint and flexes thigh at hip with iliopsoas
thigh: anteriorextends leg at knee joint
thigh: anteriorextends leg at knee joint
thigh: anteriorextends leg at knee joint
thigh: medialadducts thigh
thigh: medialadducts thigh and flexes thigh to some extent
thigh: medialObturator, Hamstring part: tibial part of sciatic nerve; adducts thigh (adductor part flexes thigh, hamstrings part extends thigh)
thigh: medialadducts and flexes thigh, assists with medial rotation
thigh: medialadducts thigh, flexes leg, helps with medial rotation
thigh: posteriorextends thigh, flexes and medially rotates leg
thigh: posteriorextends thigh, flexes and medially rotates leg
thigh: posteriorflexes and rotates leg laterally
leg: anteriordorsiflexes ankle and inverts foot
leg: anteriorextends lateral four digits and dorsiflexes ankle
leg: anteriorextends great toe and dorsiflexes ankle
leg: anteriordorsiflexes ankle and aids in eversion of foot
leg: lateraleverts foot and weakly plantarflexes ankle
leg: lateraleverts foot and weakly plantarflexes ankle
leg: posterior (superificial)plantarflexes ankle when knee is extended, raises heel during walking, flexes leg at knee joint
leg: posterior (superificial)plantarflexes ankle, steadies leg on foot
leg: posterior (superificial)weakly assists gastrocnemius in plantarflexing ankle
leg: posterior (deep)weakly flexes knee/unlocks it by rotating femur or tibia depending on which end is fixed
leg: posterior (deep)Flexes great toe at all joints, weakly plantarflexes ankle, supports medial longitudinal arch on foot
leg: posterior (deep)flexes lateral four digits, plantarflexes ankle, supports longitudinal arches of foot
leg: posterior (deep)plantarflexes ankle, inverts foot
foot: 1st layerabducts and flexes 1st digit
foot: 1st layerflexes lateral four digits
foot: 1st layerabducts and flexes little toe
foot: 2nd layerAssists flexor digitorum longus in flexing lateral four digits
foot: 2nd layerflex proximal phalanges, extends middle and distal phalanges of lateral four digits
foot: 3rd layerflexes proximal pharanx of 1st digit
foot: 3rd layeradducts first digit, assists in transverse arch of foot
foot: 3rd layerflexes proximal pharanx of 5th digit
foot: 4th layeradducts digits 2-4 and flexes metatarsophalangeal joints
foot: 4th layerabducts digits 2-4 and flexes metatarsophalangeal joints
foot: dorsalaids extensor digitorum longus in extending digits 2-5
foot: dorsalaids extensor hallucis longus in extending great toe

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Created Jul 11, 2011ReportNominate
Tags:anatomy, biology, body, muscle