Exam 2 Flashcards
What is the largest nerve in the body? A. Gastrocnemius B. Radial C. Sciatic D. Femoral
C. Sciatic
The Superior Radio-Ulnar Joint is a _______ Joint
Pivot
The Humero-Ulnar Joint is a _______ Joint
Hinge
The Humero-Radial Joint is a _______ Joint
Ball & Socket (Modified Ball & Socket)
The antagonist of the Bicep is the ______
Tricep
In anatomical position, the Radius is \_\_\_\_\_\_\_ to the Ulna. A. Inferior B. Superior C. Medial D. Lateral
D. Lateral
In anatomical position the hands are \_\_\_\_\_\_\_. A. Supinated B. Pronated C. Rotated D. Circumducted
A. Supinated
Which structure is NOT part of the arm? A. Humerus B. Biceps C. Triceps D. Radius
D. Radius
How many heads does the Bicep have?
Two Heads (Long Head/Short Head)
Which is not a wrist bone? A. Capitate B. Triquetral C. Metacarpal D. Pisiform
C. Metacarpal
Which bone of the foot is most medial?
A. Talus
B. Cuboid
C. Calcaneus
A. Talus
T/F: Arteries carry blood towards the heart
False
The Tibia is \_\_\_\_\_\_ to the Fibula A. Inferior B. Anterior C. Superficial D. Medial
D. Medial
The origin of the Flexor Hallucis Longus is: A. Hallux B. Posterior Fibula C. Posterior Tibia D. Talus
B. Posterior Fibula
The insertion of the TIbialis Posterior is: A. Hallux B. 2nd Cuneiform C. Navicular D. Medial Tarsals
D. Medial Tarsals
The origin of the Tibialis Anterior is the: A. Medial Tibia B. Lateral Tibia C. 1st Metatarsal D. 5th Metatarsal
B. Lateral Tibia
What type of bone is the Patella? A. Short B. Long C. Sesamoid D. Endochondral
C. Sesamoid
Which group of vertebrae does the Atlas belong to? A. Thoracic B. Cervical C. Sacral D. Lumbar
B. Cervical
T/F: All Cervical vertebrae have a foramen in the transverse process
True
The function of the Dens (C2) is to what?
A. Help with posture
B. Act as a pivot for the skull (side to side)
C. Allow you to breathe
D. Attach the spinal cord to the brain
B. Act as a pivot for the skull (side to side)
Which group of vertebrae allow for rotation of the trunk? A. Lumbar B. Thoracic C. Cervical D.Sacral
B. Thoracic
Which group of vertebrae account for mos of the flexion and extension of the spine? A. Cervical B. Thoracic C. Lumbar D. Coccygeal
C. Lumbar
What are the rotator-cuff muscles?
Subscapularis, Infraspinatus, Teres minor, Supraspinatus
What is the name of the bone feature inferior to the greater and lesser trochanters
Surgical neck
What are the two articulations of the elbow?
Trochlear notch of ulna and trochlea of humerus; head of radius and capitulum of humerus
What is the name of the carpal that articulates with the thumb?
Trapezium
How many Thoracic vertebrae are there?
12
If blood was reaching your femur but could not reach the lower leg, where would you suspect the blockage to be?
Poplietal Artery
Blood from the axillary vein reaches the vena cava by route of which vein?
Subclavian vein
What is the name of the fluid-filled sacs that reduce friction in the knee joint?
Bursae
Which muscle group is responsible for eversion of the foot?
Fibularis
What is the name of the large, most superficial, 2-headed superficial flexor of the leg?
Gastrocnemius
Which muscle is responsible for adducting the small toes?
Dorsal interossei
What is the anatomical term for your heel bone?
Calcaneus
The tibial nerve splits into which two branches?
Medial and lateral planter nerves
The small medial nerve of the brachial plexus is the ____________ nerve.
Radial
Which is the largest adductor muscle (Lower Limb)
Adductor magnus
What is special about the function of the adductor magnus?
It’s action is segmented.
Superior=Flex, Inferior= Extend, Entire muscle=Adduct
T/F: All of the muscles in the adductor group of the thigh (Excluding the Gracialis) have their origin on the Anterior Pubis.
True
What is the insertion of the Vastus Muscles? (Lateralis, Intermedius, Medius)
The Tibial Tuberosity
T/F: The action of the Rectus Femoris is to flex the leg
False
The semimembraneous is described as ____ and _____; while the semitendonosous is described as _____ and _____.
Deep, Flat; Superficial, Narrow
A muscle that crosses the hip anteriorly will most likely perform what action?
Flexion (at the hip)
A muscle that crosses from the Pelvic Girdle to the femur MEDIALLY will most like perform what action?
Adduction (Thigh & Hip)
A muscle that crosses the knee joint posteriorly will most likely perform what action?
Flexion (Knee and Hip)
Pointing the foot down performs what action?
Plantarflexion
Pointing the foot up performs what action?
Dorsiflexion
Turning the sole of the foot medially performs what action?
Inversion
Turning the sole of the foot Laterally performs what action?
Eversion
The branching at the end of the aorta separates the _____.
Right and Left common iliac artery
The common iliac artery splits into_____.
Internal and external iliac arteries
The external iliac artery turns into _____.
The Femoral Artery
T/F: The veins follow a similar path of the arteries and are named similarly as well
True
T/F: The toes are numbered 1-5 beginning from the “Pinky toe”
False (Begins at Hallux or Big Toe)
The ________ of the femur articulates with the ___________ of the os coxae
Head, acetabulum
T/F: The greater trochanter lies anterior to the lesser trochanter of the femur
True
The largest tarsal of the foot is the ______.
Also attachment for the Achilles Tendon
Calcaneous
The lateral malleolus is on the ______.
Fibula
The medial malleolus is on the
Tibia
T/F: The fibula articulates with the femur
False, only the tibia articulates with the femur
In the inferior radioulnar joint, the ______ crosses over the ______.
Radius, Ulna
The scapula articulates with the _____ and the _____.
Humerus, Clavicle
The ____________ of the scapula articulates with the _________ of the Humerus
Glenoid Fossa, Head
The C2 vertebrae is also called the ______.
Axis
The C1 vertebrae is also called the ______.
Atlas
“Tailbone” refers to which vertebral region?
Coccyx
This region is home to 5 vertebrae that fuse together in adulthood
Sacrum
Which is the longest nerve in the upper limb?
Radial
Motor function of the Radial Nerve
Extensors on back arm, extensors on forearm, supinator
Motor Function of the Ulnar nerve
flexor carpi Ulnaris, part flexor Digitorum Profundus
Sensory function of the Musculocutaneous Nerve
Lateral Forearm
Sensory of the Common Fibular Nerve
Anterior leg, Dorsal Foot
Sensory function for Tibial Nerve
Posterior leg, sole of the foot
Which nerve is responsible for motor control of the Biceps and Brachialis?
Musculocutaneous Nerve
Which nerve is responsible for the motor control of the deep flexors of the leg?
Tibial Nerve
Which Nerve is responsible for motor control of the Superficial flexors of the leg?
Tibial Nerve
The Fibularis muscles are innervated by what nerve?
Common Fibular Nerve
What is the origin of the biceps brachii?
Coracoid Process/ Top of Glenoid
What is the action of the quadratus plantae?
Flexes Toes 2-5
What is the largest, superficial muscle on the posterior side of the body?
Latissimus Dorsi
What two nerves originate from the sciatic nerve?
Common Fibular and Tibial
Which carpal articulates with the 5th metacarpal?
Hamate
What muscle is the only elbow flexor in the forearm?
Brachioradialis
What two muscles does the Axillary nerve innervate?
Deltoid, Teres Minor
What is the origin of the Pectoralis Major?
Clavicle, Sternum, Ribs
If blood was being supplied to the arm but could not reach the forearm, circulation is being cut off at which artery?
Brachial
What is the origin of the Deltoid?
Clavicle, Spine of Scapula
What is the action of the Adductor Policis?
Adduct the thumb
How many phalanges does the 1st Digit of the hand have?
Three (Distal, Middle, Proximal)
T/F: The Pisiform is on the side of the Pollex
False (Located on the side of the pinky
Which two muscles are a part of the Axial Skeleton-> Humerus group?
Pectoralis MAJOR, Latissimus Dorsi
T/F: The hand is pronated when the Radius and Ulna are parallel
False: Pronation requires that the Radius rotates across the Ulna
The bony projection on either side of the distal region of the forearm is called the ______.
Styloid Process
T/F: The head of the Ulna is Distal to the elbow
True
What is the action of the Popliteus?
Medial rotation of the Tibia, unlock knee
Origin of the Popliteus
Lateral condyle of the Femur
What is the action of the lumbricals?
Flex the joint at the base of the toes, extend the distal joints
How many ventral muscle layers are in the foot?
4
What is the function of the Arch of the foot?
To reduce the amount of energy required for walking
What is the action of the Gastrocnemius
Plantarflexion of the Foot, flex the knee
Which part of the lower limb does the “Leg” refer to?
Knee-> Ankle
Which part of the upper limb does the “Arm” refer to?
Shoulder-> Elbow (Brachium)
What is the origin of the Gracialis?
Pubis
What is the Insertion of the Adductor Magnus
Posterior Femur on/near the Linea Aspera
What is the insertion of the Sartorious
Medial Tibia
What is is the Origin of the Soleus
Superior Posterior Tibia and Fibula
How many sesamoid tendons are in the foot?
2
Tactile information is categorized as ______ (Sensory/Motor)
Sensory
What is the Brachial Plexus?
Group of nerves that innervate the upper limbs
What muscles does the Femoral Nerve innervate?
Iliacs/Psoas, Quadriceps Group
Where does the Femoral Nerve receive sensory information from?
Anterior thigh, Medial leg, Medial Foot
The Obturator Nerve receives Sensory information from where?
Medial Thigh
The thigh adductors are innervated by which nerve?
Obturator
What is the function of the vertebral column?
Support - main axis for the trunk
Protection of spinal cord
Five regions of the vertebral column.
Cervical Thoracic Lumbar Sacral Coccyx
What runs through the vertebral foramen?
Spinal cord
How many cervical vertebrae are there?
7
What is another name for C1?
Atlas
What is another name for C2?
Axis
Which does not belong:
C2, dens, spinous process, superior articular facet, none of the above
none of the above
True or False: the auricular surface makes a synovial joint with the ilium.
True
True or False: The apex of the sacrum is more inferior than the base of the sacrum.
True (see figure 6.26)
What kind of Joint is the Sacral Tuberosity
Fibrous
A convex curvature of the spine is what type of curvature?
Secondary Curvature
Where do the spinal nerves enter/exit the Sacrum?
Sacral Foramina
What is the difference between the Sacral Canal and the Sacral Foramen?
The Sacral canal houses the spinal cord and is veritcal. The Sacral Foramen provide a pathway for the spina nerves.
T/F: The coccygeal vertebrae decrease in diameter as you move inferiorly
True
The most medial of the Erector Spinae group is the ______
Spinalis
T/F: In adulthood, the spine is straight to allow for more support because adults weigh more than humans
False (the spine is curved throughout the entirety of the life span)
Primary curvature refers to which vertebral region(s)?
Thoracic, Sacral
Secondary Curvature refers to which vertebral region(s)?
Cervical and Lumbar
A concave shape of the spine is what type of curvature
Primary Curvature
A convex curvature of the spine is what type of curvature?
Secondary Curvature
Capitis
term referring to attachment site on the skull
cervicis
term referring to attachment site on the cervical vertebrae
Thoracis
term referring to attachment site on the thoracic vertebrae or ribs
lumborum
term referring to attachment site on the lumbar vertebrae
Three muscles that make up the erector spinae group
Iliocostalis
Longissmus
Spinalis
T/F: Axial skeleton includes the arm and the leg but not the forearm and thigh
False: All of those regions are in the Appendicular skeleton
Capitis refers to muscle attachments on which area of the skeleton?
The Skull
The Iliocostalis is ______ to the Longissimus
Lateral
The most medial of the Erector Spinae group is the ______
Spinalis
Where is the insertion of the Spinalis?
Superior Spinous processes
Which muscle runs from the Sacral vertebrae to the base of the skull?
Multifidus
Where does the semispinalis insert?
spinous processes of the cervical vertebrae and base of the skull
T/F: contraction of the right side of the erector spinae group produces extension
False: both left and right side must contract in order to produce extension
What is special about the Nuchal Ligament
It is spring like where as other ligaments are stiffer
Origin of the splenius
cervical vertebrae
Runs in the notch of the spinous processes of cervical vertebrae
Ligamentum nuchae (nuchal ligament)
Origin/Insertion of sternocleidomastoid
O - sternum, clavicle
I - mastoid process of skull
(Figure 10.4)
Function of sternocleidomastoid
Right and Left both: flexes head
Right or Left side only: extend head and rotates to opposite side