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SLCC Anatomy 2320 Test #2 Questions and Correct Answers 2024/2025 | Graded A+
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SLCC Anatomy 2320 Test #2 Questions and Correct Answers 2024/2025 | Graded A+
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SLCC Anatomy 2320 Test #2What does the most superficial/midline muscle of the anterior compartment of the anti-brachium
cross superior to at its distal end? - ANSflexor retinaculum
What muscle is most anterior as it passes distal to the lateral malleolus in the lateral
compartment of the leg? - ANSfibularis brevis
Of the muscles that raise the Lt. upper lip or the Lt. corner of the mouth, which is most
lateral/inferior? - ANSLt. zygomaticus major
How many nuclei are found in a smooth muscle cell? - ANSone
What is the action of the muscle that moves the pectoral girdle that is immediately deep to the
muscle that is superficial/anterior/superior of the muscles that attach to the axial skeleton and to
the humerus? - ANSabducts and depresses scapula [pectoralis minor]
What must a muscle cross for there to be a change of position of a bone leading to movement?
- ANSjoint
What muscle is inferior to the most inferior/posterior muscle of the rotator cuff muscles? -
ANSteres major
What is the action of the most lateral muscle in the posterior compartment of the anti-brachium?
- ANSextends and abducts hand at wrist joint [extensor carpi radialis longus]
What is the action of the lateral muscle of the quadriceps femoris group? - ANSextends leg at
the knee joint [vastus lateralis]
What is the action of the most lateral/distal muscle of the anterior compartment of the brachium?
- ANSflexes forearm at elbow joint
What type of tendon connects frontalis to occipitalis? - ANSaponeurosis
What is the origin and insertion of the head of the muscle in the posterior compartment of the
brachium that crosses two joints? - ANSO: infraglenoid tubercle of scapula I: olecranon process
of ulna
[long head triceps brachii]
What is the deepest muscle in the medial compartment of the thigh who's insertion runs the
entire length of the diaphysis of the femur and includes the adductor tubercle as the most distal
point of insertion? - ANSAdductor magnus
, What is the origin and insertion of the most posterior muscle in the posterior compartment of the
leg? - ANSO: lateral and medial condyles of the femur I: calcaneus via cacaneal tendon
[gastrocnemius]
What is the origin and insertion of the middle [neither superior nor inferior] posterior rotator cuff
muscle? - ANSO: infraspinous fossa of the scapula I: greater tubercle of the humerus
[infraspinatus]
What is the insertion of the deepest muscle in the quadriceps femoris group? - ANSpatella, via
quadriceps tendon, tibial tuberosity via patellar ligament
(muscle: vastus intermedius)
What is the deepest of the lateral muscles of the abdominal wall? - ANStransverse abdominis
What is the most midline muscle at its distal end in the posterior compartment of the
anti-brachium? - ANSextensor digitorum
What muscle in the lateral compartment of the leg is the antagonist to the action of the most
medial muscle in the anterior compartment of the leg? - ANSfibularis longus
(most medial muscle in anterior compartment: fibularis brevis)
What is the action of the deepest/lateral muscle in the anterior compartment of the leg? -
ANSdorsiflexes the foot at the ankle joint, extends hallux
(muscle: extensor hallucis longus)
What is the insertion of the most inferior/posterior/superficial muscle of the group that attach to
the axial skeleton and to the humerus? - ANSI: intertubercular sulcus of the humerus
(muscle: latissimus dorsi)
What is the action of the muscle or part of a muscle that only crosses one joint in the posterior
compartment of the thigh? - ANSflexes and laterally rotates leg at the knee joint
(muscle: short head of biceps femoris)
What muscle in the anterior compartment on the anti-brachium does not cross the carpal joint? -
ANSpronator teres
What is the origin and insertion of the deepest/posterior muscle in the gluteal muscle group? -
ANSO: anterolateral surface of the sacrum I: greater trochanter of the femur
(muscle: piriformis)
What is the muscle that is deep/posterior/inferior of the muscles that move the pectoral girdle? -
ANSrhomboid major
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