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Anatomy Mash 2
MASH Questions for Anatomy Quiz 2
Question | Answer |
---|---|
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 |