Gross Anatomy Flashcards
The radial nerve runs though the ______ groove
radial groove
The brachial plexus roots are from ___ to ___
C5-T1
What artery and nerve pass through the quadrangular space?
- Axillary nerve
2. Posterior humeral circumflex artery
Levator scapula, Trapezius, Rhomboid major/minor, Serratus anterior, Pectoralis major/minor,Latissimus dorsi
Are (intrinsic/extrinsic) muscles
Extrinsic
Shoulder muscles that connect the arm to the axial skeleton are (intrinsic/extrinsic)
extrinsic
Shoulder muscles that connect the clavicle or scapula to the humerus are (intrinsic/extrinsic)
intrinsic
The triangle formed by the latissimus dorsi, lower trapezius and the rhomboid major is the _______ __ ______
Triangle of auscultation
The triangle formed by the Teres minor, Teres major and long head of the triceps is called the _____ _____
Triangular space
The triangle formed by the Teres major, Long head of the triceps and the humerus are is called the ______ ______
Triangular interval
Which nerve roots contribute to the musculocutaneous nerve?
C5, 6, 7
Which nerve roots contribute to the radial nerve?
C5, 6, 7, 8, and T1
Which nerve roots contribute to ulnar nerve?
C8 + T1
The subclavian artery becomes the axillary artery at the __________
(lateral margin of) the first rib
The axillary artery becomes the brachial artery at the _______
(lower margin of the) Teres Major
The circumflex scapular artery anastomoses with what 2 arteries?
- Transverse scapular artery
2. Transverse cervical artery
Which artery branches from the first part of the axillary artery?
Superior thoracic artery
Which muscles are in the anterior (flexor) compartment of the arm? (3)
- Biceps brachii
- Brachialis
- Coracobrachialis
Which vein can you draw blood from in the cubital fossa?
Medial Cubital Vein
What nerve supplies the anterior (flexor) compartment of the arm?
- Biceps brachii
- Brachialis
- Coracobrachialis
all Musculocutaneous Nerve - Brachioradialis by radial nerve
What muscles are in the posterior compartment of the arm? (2)
- Triceps brachii
2. Anconeus
What nerve innervates the muscles in the posterior compartment of the arm?
Radial Nerve
What are the three components of the medial (ulnar) collateral ligaments?
- anterior
- posterior and
- oblique bands
The radial ligament is also called the (medial/lateral) ligamnet
medial
What is the main artery in the posterior compartment of the forearm?
the posterior interosseous (branch of the common interosseous)
In a nurse maid’s elbow, the radius is pulled out of what ligament?
the annular ligament
The biceps brachii only works if the forearm is (supine/prone)
supine
Tommy John surgery is used to fix the ________
ulnar collateral ligament
Fingers are abducted (spread) by the (dorsal/palmar) interossei
dorsal
Fingers are adducted together by the (dorsal/palmar) interossei
palmar
Ulnar deviation with the thumb held down will create pain in ________ Syndrome
De Quervain’s Syndrome
The raised area on the palm of the hand near the thumb is called the _______ _______
thenar eminance
Digits have ligaments on wither side of them called _____ _____ and _____ _____ ligaments
ulnar collateral ligaments and radial collateral ligaments
Which nerve is aggravated in carpal tunnel syndrome?
Medial nerve
The thenar muscles control which digit?
thumb
What helps distribute the weight on the hand during a FOOSH (fall on outstretched hand)?
the TFC: triangular fibrocartilage complex
What nerve innervates the hypothenar eminence?
the ulnar nerve
Which two arteries contribute to the deep palmar arch of the hand?
- radial artery
2. ulnar artery
What nerve innervates the adductor pollicis?
deep branch of ulnar
The boutonniere deformity of the hand can be caused by a rupture of the ______ ______
central band
Damage to the insertion of the lateral slips of the finger can cause _______ _______
mallet finger
the long thoracic nerve comes from the brachial plexus roots _____ to _____
C5 to C7
The long thoracic nerve innervates _______
serratus anterior
What three nerves come from the posterior cord of the brachial plexus?
- lower sub-scapular (C5,6)
- thoracodorsal (C6,7,8)
- upper sub-scapular (C5,6)
What muscle does the thoracodorsal (middle sub-scapular) nerve innervate?
latissimus dorsi
A lesion at the level of the root is called a _______
radiculopathy
Retraction of the scapular is done primarily by the _____ and ______ muscles
rhomboid major and rhomboid minor muscles
What nerve goes through the supra-scapular notch?
the supra-scapular nerve
The supraspinatous and infraspinatous muscles are innervated by the ________ nerve
supra-scapular nerve
The superior transverse scapular ligament separates the _________ nerve from the _______ artery
supra-scapular nerve (lower) from the supra-scapular artery (higher)
What muscles initiates abduction of the humerus for the first 15 degrees?
supraspinatous muscle
The radial nerve innervates the (anterior/posterior) compartment of the arm
posterior
What nerve passes through the triangular interval?
the radial nerve
The ulnar nerve innervates the (arm/forearm and hand)
forearm and hand
how many muscles attach to the scapula?
17 muscles
Which is closer to your head (teres major/teres minor)
teres minor
When the AC joint comes apart it is called (dislocation/separation)
separation
When the humerus comes out of the glenoid fossa it is (separation/dislocation)
dislocation
What nerve innervates the anterior compartment of the arm?
musculocutaneous
The function of the brachioradialis is a ______ ______
elbow flexor
What artery goes through the triangular space?
circumflex scapular artery
What (3) ligaments reinforce the hip joint?
- Iliofemoral
- ischiofemoral
- pubofemoral
In which direction is the hip joint most vulnerable to dislocation?
posteriorly
Which ligament of the hip prevents hyperextension and locks the hip into place while standing?
iliofemoral ligament
What is the action of the gluteus maximus?
extension
What is the primary action of the gluteus medius and gluteus minimus?
ABduct the hip
What is the action of the hip piriformis, superior and inferior gamelli, obturator internus and qudratus femoris?
outwardly rotate the hip
Lesion to the root between levels __ and __ can cause a positive trendelenburg sign
L5 and S1
Gluteus medius, gluteus minimus and tensor facia lata are innervated by the ______ _______ nerve
superior gluteal nerve
Gluteus maximus is innervated by the ______ ______ nerve
inferior gluteal nerve
The action of iliopsoas and rectus femoris do hip ________
hip flexion
The combined action of the gluteus maximus and hamstring muscles is hip _________
hip extension
From anterior to posterior, what three muscles make up the pes anserinus?
- sartorius
- gracilis
- semitendinous
A lesion at the L1 - L2 spinal level will prevent which hip action?
hip flexion
Bow legged (genu valgum/genu varum)
genu varum
knock knee (genu valgum/genu varum)
genu valgum
What happens to the gait if the obturator nerve is damaged?
A waddling gait results
The femoral nerve runs from spinal levels __ to __
L2 - L4
The longest muscle in the body is the ______
sartorius
Name the 4 quadriceps muscle:
- Rectus femoris
- Vastus lateralis
- Vastus medialis
- Vastus intermedius
Name the 5 hip adductor muscles
- Pectineus
- Gracilis
- adductor longus
- adductor brevis
- adductor magnus
What nerve innervates the hip adductor muscles?
the obturator nerve
What nerve innervates the MUSCLES of the posterior thigh compartment?
the sciatic nerve
If the muscle originates from the ischial tuberosity and is innervated by the sciatic nerve then it is a _______ muscle
hamstring
Both the gluteus maximus and the ________ insert on the IT band
tensor fascia lata
Increased pressure within a compartment of the body that is bound by fascia is called ______ ______
compartment syndrome
Which muscle unlocks the knee using lateral rotation?
the popliteus muscle
The sartorius, gracilus and semitendinous muscles (the pes anserine) do what action to the knee?
flexion
This muscle flexes the hip and knee, allowing you to see the bottom of your foot:
sartorius
The pes anserinus stabilized the knee on the (lateral/medial) side
medial
Impact in which direction can cause an “unhappy triad” (varus/valgus)
valgus
What three structures are damages in the “unhappy triad”?
- medial collateral ligament
- medial meniscus
- anterior cruciate ligament
Abruptly stopping forward movement will most likely damage what ligament?
The ACL
Which knee meniscus is more often injured?
the medial meniscus (attached to the medial collateral ligament)
What muscle can flex the hip and extend the knee?
rectus femoris
An abnormal decrease in the angle, less than 100 degrees, of the hip joint is called (cox vara/cox valga)
cox vara
An abnormal increase in the angle of the hip joint is called (cox vara/cox valga)
cox valga
Which nerve is responsible for hip abduction (gluteus medius and minimus) and internal rotation (gluteus minimus)
superior gluteal nerve
Name the 6 hip lateral rotator muscles:
- Piriformis
- obturator internus
- obturator externus
- superior gemellus
- inferior gemellus
- quadratus femorus
The anterior tibial artery passes through what membrane that connects in the tibia to the fibula?
the interosseous membrane
with the feet, inversion is the same as ______
supination
With the feet, eversion is the same a ________
pronation
The tibial nerve and common fibular nerve combine further down the leg to make the _______ nerve
sural nerve
If you lesion the tibial nerve you CANNOT (plantar/dorsi) flex the foot
plantar flex
Tibial and common fibular both come from the ______ nerve
sciatic nerve
The saphenous nerve is a branch of the _______ nerve
femoral
- anterior tibial artery
- posterior tibial artery
- fibular artery
are branches of the ______ artery
popliteal artery
The motor of anterior compartment of the leg is innervated by the ________ nerve
Deep fibular nerve
The motor to the lateral compartment of the leg is innervated by the ______ nerve
Superficial fibular nerve
The motor to posterior compartment of the leg, both superficial and deep, are innervated by the _______ nerve
Tibial nerve
What (3) tendons from the posterior compartment pass under the flexor retinaculum of the foot?
- Tibialis Posterior
- Flexor Digitorum Longus
- Flexor Hallucis Longus
(TDH)
The medial arch is maintained by the _______ ligament
spring ligament
The lateral arch of the foot is maintained by the ________ ligament
long plantar ligament
Genicular arteries are branches of the ________ artery
popliteal
The three major arteries of the leg are the:
- anterior tibial
- posterior tibial
- fibular artery
The dorsails pedis artery is a continuation of the ______ ______ artery
anterior tibial
The great saphenous vein drains into the ______ vein
femoral vein
What three lateral thigh rotator muscles make the “oreo in the butt” pattern of dark, light, dark
- superior gamellus
- obturator internus
- inferior gamellus
Which muscle makes the connection to the patella to prevent lateral deviation during knee flexion?
Vastas medials
The femoral artery and vein pass through a hole in the adductor magnus called the _____ ______
adductor hiatus
What are the three boarders of the femoral triangle?
- inguinal ligament
- sartorius muscle
- adductor longus
What artery, vein and nerve are in the femoral triangle?
- femoral artery
- femoral vein
- femoral nerve
pushing the tibia backwards will tear the (ACL/PCL)
PCL
pushing the tibia forwards will tear the (ACL/PCL)
ACL
The superficial gastrocnemius, soleus and plantaris are innervated by the _____ _____
tibial nerve
The deep flexor hallucis longus, flexor digitorum longus, tibialis posterior and
popliteusare innervated by the _____ _____
tibial nerve
The hole at the top of the interosseus of the leg membrane transmits what artery?
anterior tibial
What (2) muscles do supination = inversion of the the foot?
- tibialis anterior
2. tibialis posterior
What two muscles do eversion = pronation of the foot?
- Fibularis longus
2. Fibularis brevis
The sural nerve is (motor/cutaneous)
cutaneous
Medal and lateral plantar nerves are branches of the ______ nerve
tibial
The three nerves of the leg are the:
- Tibial nerve
- superficial fibular nerve
- deep fibular nerve
The three major arteries of the leg branching from the popliteal artery are the:
- anterior tibial artery
- posterior tibial artery
- fibular artery
The three ligaments on the foot are:
- long plantar ligament
- short plantar ligament
- spring ligament