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Anatomy Mash 2

MASH Questions for Anatomy Quiz 2

QuestionAnswer
Muscle which originates from the anterior surface of the Sacrum and inserts into the upper part of the Greater Trochanter. Piriformis
Action of the Gluteus Medius. Abduction of femur and medial rotation of hip
Muscles which insert on the Iliotibial tract. (2) Gluteus Maximus and Tensor Fasciae Latae
Origin of the Superior Gemellus muscle Ischial spine
Deepest muscle at the posterior knee Popliteus
Action of Plantaris Knee flexion and plantarflexion of foot
Hamstring inserting on posterior medial Tibial Condyle Semimembranosus
Action of Semitendinosus across the knee joint Knee flexion and medial rotation of knee
Invertor of the foot innervated by the Tibial nerve Tibialis Posterior
Common origin of the hamstrings Ischial Tuberosity
Muscle which originates on the ischial tuberosity and inserts on the anterior proximal tibial shaft Semitendinosus
Abdominal muscle that rotates the trunk to the opposite side External Oblique
Origin of Adductor Longus Anterior Pubis
The strongest hip flexor Iliopsoas
Action of gracilis across the hip joint Adduction of femur
Origin of the vastus medialis muscle Linea aspera
Innervation of adductor magnus muscle Obturator and sciatic
Muscle which lies immediately deep to adductor longus; it inserts on only a single bony landmark Adductor brevis
Origin of the rectus femoris muscle Anterior inferior iliac spine (AIIS) and anterior acetabular rim
Dorsiflexor of the foot which inserts on the base of the 1st metatarsal and 1st cuneiform Tibialis anterior
Innervation of extensor hallucis longus Deep fibular nerve
Specific muscle that is located on the dorsum of the foot and originates from the anterior calcaneus Extensor digitorum brevis
Action of peroneus (fibularis) longus Eversion of foot, plantarflexion of foot
Give components which form the medial wall of the inquinal canal Rectus sheath and conjoined tendon
Define the deep inquinal ring Gap in the transversalis fascia
Specifically, what forms the important conjoined tendon? Internal oblique and transversus abdominus
The tibial nerve passes immediately deep to this muscle during most of the inferior half of its course. Soleus
Apart from muscular paralysis, injury to this specific nerve would present anesthesia of the skin in the small area (web) between the 1st and 2nd toes ONLY. Deep fibular nerve
The only CUTANEOUS clinical sign a patient presents is complete loss of cutaneous sensation below the knee, except for an area along the medial part of the leg. This would indicate injury specifically to the _____ nerve. Sciatic
Name the CUTANEOUS branches of the femoral nerve. Do NOT give articular. Medial and intermediate cutaneous nerves; saphenous nerve
Nerve which passes along the medial side of the tendon of the biceps femoris, then curves around the neck of the fibula Common fibular
Artery that specifically supplies the adductors, obturator externus, acetabulum, and head of the femur Medial femoral circumflex
Name the DIRECT (immediate) branches of the dorsalis pedis artery. Arcuate a.; 1st dorsal metatarsal a.; deep plantar a.
Specific vessel supplying skin of labia majora, perineum, and scrotum Deep external pudendala
Specific landmark where popliteal artery BEGINS Adductor hiatus
Assume you are constructing a body and want the STRONGEST POSSIBLE muscular performance across a particular joint. A) What type of muscle would you use, and B) How would you attach it? A) Use pennate muscle B) Attach it far from the joint
What is meant by a functional reversal of origin and insertion? The origin of a muscle moves, and the insertion point remains stationary. Iliacus can be a hip flexor or flex the trunk.
Smallest fiber-like unit of a muscle visible to the naked eye (do NOT say fiber as your answer) Fasicle
Define a tract. A group of neuron fibers in the CNS
________ are SPECIFIC TYPE receptors used for smell and taste. They are classified functionally as _____ (use letter classification) fibers. Chemoreceptors SVA
Define a ganglion. A group of neuron cells in PNS
List the SPECIFIC effectors (as give in your lecture notes) innervated by the autonomic nervous system. glands, smooth muscle, cardiac muscle
NAME & CLASSIFY (use 3 letter classification) the specific type of viscera receptor which deals with pain caused by distention. Interoceptors GVA
A patient presents a sprained ankle caused by excessive eversion. Give specific ligamentous damage. Deltoid ligament
A ligament deep tot the dorsal sacroiliac ligament, located in the deep groove between the sacum and ilium interosseus sacroiliac ligament
Name the EVERTORS of the foot. Fibularis longus, Fibularis brevis, Fibularis tertius
Name the intrinsic muscles of the plantar foot that form the 3rd layer. Flexor hallucis brevis, adductor hallucis, flexor digiti minimi brevis
Name the INVERTORS of the foot. Tibialis anterior and tibialis posterior
Muscle which originates on the proximal ischial tuberosity and inserts on the medial greater trochanter Gemellus inferior
Lateral rotator of the the hip supplied by the obturator nerve Obturator externus
NERVE of the muscle that 'unlocks' the knee joint Tibial nerve
Name the muscles whose tendons pass behind the medial malleolus. List them from POSTERIOR TO ANTERIOR AS THEY PASS AROUND the malleolus. Flexor hallucis longus Flexor digitorum longus Tibialis posterior
Origin of the gastrocnemius (BE SPECIFIC) Lateral head - lateral epicondyle of the femur Medial head - medial epicondyle of the femur
Action of the gastrocnemius Plantarflexion of the ankle and assists flexion of the knee
Insertion of the iliopsoas Lesser trochanter of the femur
Action of the rectus femoris Flexion of hip and extension of knee
Origin of the psoas major muscle T12-L5 vertebrae
Insertion of pectineus Pectineal line and linea aspera of femur
Innervation of the sartorius muscle Femoral nerve
Most superficial and medial thigh adductor Gracilis
Muscle which originates from the anterior distal fibula (with extensor digitorum longus) and inserts into the base of the 5th metatarsal Fibularis (peroneus) tertius
Insertion of peroneus (fibularis) brevis Base of the 5th metatarsal - plantar surface
Origin of the external oblique Costal cartilage of ribs 5-12
Portion of the spermatic cord derived from the aponeurosis of the external oblique External spermatic fascia
The deep fibular nerve runs immediately anterior to this structure through most of its course (Do NOT list a vessel) Interosseous membrane
The femoral nerve carries fibers from these specific spinal cord segments L2, L3, & L4
Muscle in which the common peroneal (fibular) nerve divides into its terminal branches Fibularis (peroneus) longus
The tibial nerve terminates as the________. Medial plantar nerve and lateral plantar nerve
The ONLY muscular clinical sign a patient presents is involuntary inversion of the foot and foot drop. This would indicate injury specifically to the __________ nerve. Common fibular or peroneal
Superficial vein which drains the lateral part of the foot and the posterior leg Small saphenous vein
Arises directly from the arcuate artery Dorsal metatarsal aa.
Name the vessels which help to form the cruciate anastomosis. Medial femoral circumflex a. Lateral femoral circumflex a. 1st perforating a. Inferior gluteal a.
Besides being external to the epimysium and sometimes fused to it, give two other characteristics of the deep fascia. 1) it separates muscles into functional compartments (intermuscular septa) 2) It separates individual muscles to allow them to move more freely
Make a flow chart showing the SIMPLEST SEQUENCE of function of the nervous system. Stimulus >> Sensory Neuron (afferent) >>Motor Neuron (efferent) >> Effector organ
______(Use letter classification) motor fibers have a ganglion intermediate and SPECIFICALLY innervate ______. GVE Cardiac muscle, smooth muscle, glands
List the basic MOTOR functions of the nervous system Muscular contraction and glandular secretion
Name the muscles forming the 1st layer in the plantar foot. Abductor hallucis, Abductor digiti minimi, Flexor digitorum brevis
Name the dorsiflexors of the ankle. Tibialis anterior, extensor digitorum longus, extensor hallucis longus, peroneus (fibularis) tertius
Name 2 important ligaments with attachments to the ischium and sacrum. Sacrospinous and sacrotuberous
A patient is flat footed due to flattening of the medial longitudinal arch. This would indicate what specific ligamentous damage? plantar calcaneonavicular ligament
Abdominal muscle that rotates the trunk to the opposite side External oblique
According to lecture name the anatomical structures placed in the peripheral nervous system 12 pairs of cranial nerves; 31 pairs of spinal nerves; autonomic nerves of ANS
Action of gluteus minimus medial rotation of hip/abduction of femur
action of peroneus (fibularis) tertius eversion of foot; dorsiflexion of ankle
Beginning with the popliteal artery make a flow chart showing the course a drop of blood would mainly take to reach the lateral compartment muscles of the leg popliteal aa--> posterior tibial aa --> fibular (peroneal) aa
Besides awareness of environmental changes and motor functions give two BASIC functions of the nervous system thought; sensation
Component of the anterior abdominal wall from which the cremaster is derived internal oblique muscle
Cutaneous branch of tibial nerve which supplies skin of the posterior calf sural nerve
Define a nerve a group of neuron fibers in the PNS
Define perimysium CT layer which holds groups of muscle cells together; the group of cells are termed a fascicle (12+ cells)
Define superficial ingunal ring a gap in the external oblique aponeurosis
Ggive functional letter classification and NAME a proprioceptor GSA; tendons (golgi tendon apparatus)
Give two vessels which help to form the cruciate anastomosis medial femoral circumflex aa; inferior gluteal aa
Innervation/nerve of peroneus (fibularis) brevis superficial fibular nerve
Insertion of adductor magnus anterior head: adductor tubercle of femur; posterior head: linea aspera of femur
Insertion of peroneus (fibularis) longus base of 1st metatarsal plantar surface; medial cuneiform tarsal bone-plantar surface
Insertion of the adductor brevis muscle linea aspera of femur on the proximal 1/3
Insertion of the biceps femoris (be specific) lateral condyle of the tibia and head of the fibula
Lateral rotator of the hip located immediately superior to the tendon of the obturator internus muscle gemellus superior
List 4 actions of the sartorius muscle flexion of femur; abduction of femur; lat rotation of femur; flexion of knee
List individual names and actions of the muscles collectively known as the triceps surae gastrocnemius: plantar flexion of ankle; flexion of knee; Soleus: plantar flexion of ankle
Muscle immediately superior to the sciatic nerve piriformis
Name the muscles that form the 2nd layer of the plantar foot lumbricis; quadratus
Origin of the plantaris lateral epicondyle of femur
Origin of the vastus medialis muscle Linea aspera of femur; intertrochanteric line of femur
Originates on the posterior fibula ONLY and its tendon passes behind the medial malleolus Flexor hallucis longus
Specific nerve which traverses the adductor canal and does NOT supply muscles saphenous nerve
Specific vessel that gives off most of the dorsal metatarsal arteries arcuate artery
The plantar arch of the foot is formed by an anastomosis of what arteries? Be specific. lateral plantar artery; plantar metatarsal aa; plantar digital aa
The tibial nerve contains fibers from these specific spinal cord segments L4;L5;S1;S2;S3
Created by: Shawn D. Schwartz Shawn D. Schwartz on 2011-02-11



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