SLCC Anatomy 2320 Test #2
What does the most superficial/midline muscle of the anterior compartment of the anti-brachium cross superior to at its distal end? - Answer- flexor retinaculum
What muscle is most anterior as it passes distal to the lateral malleolus in the lateral compartment of th...
SLCC Anatomy 2320 Test #2
What does the most superficial/midline muscle of the anterior compartment of the
anti-brachium cross superior to at its distal end? - Answer- flexor retinaculum
What muscle is most anterior as it passes distal to the lateral malleolus in the lateral
compartment of the leg? - Answer- fibularis brevis
Of the muscles that raise the Lt. upper lip or the Lt. corner of the mouth, which is
most lateral/inferior? - Answer- Lt. zygomaticus major
How many nuclei are found in a smooth muscle cell? - Answer- one
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? - Answer- abducts and depresses scapula
[pectoralis minor]
What must a muscle cross for there to be a change of position of a bone leading to
movement? - Answer- joint
What muscle is inferior to the most inferior/posterior muscle of the rotator cuff
muscles? - Answer- teres major
What is the action of the most lateral muscle in the posterior compartment of the
anti-brachium? - Answer- extends and abducts hand at wrist joint [extensor carpi
radialis longus]
What is the action of the lateral muscle of the quadriceps femoris group? - Answer-
extends leg at the knee joint [vastus lateralis]
What is the action of the most lateral/distal muscle of the anterior compartment of the
brachium? - Answer- flexes forearm at elbow joint
What type of tendon connects frontalis to occipitalis? - Answer- aponeurosis
What is the origin and insertion of the head of the muscle in the posterior
compartment of the brachium that crosses two joints? - Answer- O: 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? - Answer- Adductor magnus
What is the origin and insertion of the most posterior muscle in the posterior
compartment of the leg? - Answer- O: 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? - Answer- O: 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? -
Answer- patella, via quadriceps tendon, tibial tuberosity via patellar ligament
(muscle: vastus intermedius)
What is the deepest of the lateral muscles of the abdominal wall? - Answer-
transverse abdominis
What is the most midline muscle at its distal end in the posterior compartment of the
anti-brachium? - Answer- extensor 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? - Answer- fibularis
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? - Answer- dorsiflexes 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? - Answer- I: 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? - Answer- flexes 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? - Answer- pronator teres
What is the origin and insertion of the deepest/posterior muscle in the gluteal muscle
group? - Answer- O: 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? - Answer- rhomboid major
What muscle of Facial Expression draws the scalp backward? - Answer- occipitalis
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