BIOS 311 Anatomy Exam 1
C1
An anterior tubercle is located on the _____ vertebra
body, dens, spinous process, transverse foramen
Components of the C2 vertebra include
kyphosis
"hump back"
erector spinae muscles
Iliocostalis, longissimus, spinalis
splenius capitis
Muscle that is located immediately deep to trapezius in the cadaver
biceps brachii, triceps brachii, supraspinatus
Muscles originating (wholly or partially) from the scapula
abductor pollicis longus
NOT a thenar muscle
vertebral
Pedicles and laminae bound the ______ foramen
C1
Pedicles are found on all the following except : L5, C1, C6, T2, C7
Rhomboid minor & Rhomboid major
Retractors of the scapula include:
protracts
Serratus anterior _______ the scapula
False
T or F: Teres major is a component of the rotator cuff muscles?
True
T or F: The T5 vertebra is an example of an irregular bone?
False
T or F: brachialis inserts on the radial tuberosity
False
T or F: flexion and extension are movements that occur in the coronal plane?
axillary
Teres minor is innervated by the ____ nerve
triceps brachii
The antagonistic muscle to biceps brachii is the ____
Axis
The dens is found on the ____
Elbow & shoulder
The epiphyses of the humerus could be located at the
short
The lunate is an example of a ______ bone
scaphoid
The most lateral bone in the proximal row of carpal bones is the
brachialis
The most powerful flexor of the forearm in all positions is the ____
Ulna
The olecranon process is found on the _____
long
The radius is an example of a ____ bone
cervical
Transverse foramina are found only on _____ vertebrae
extends
Triceps brachii _____ the radius and ulna
long head of triceps brachii
Which muscle separates trees minor from trees major?
flexion and extension
actions at the 4th proximal interphalangeal joint
flexion and supination of forearm
actions of biceps brachii
thenar muscles
adductor pollicis. abductor pollicis brevis, opponens pollicis, flexor pollicis brevis
sterno-clavicular joint
articulation (or joint) that allows movement in two planes
transverse foramina
cervical vertebrae
Suprasternal notch, Clavicular notch
components of the manubrium
pedicle
connects body to transverse process
lamina
connects transverse to spinous process
musculocutaneous
coracobrachialis is pierced by the _____ nerve
brachioradialis
does NOT cross the radio carpal joint
posterior forearm muscles
extensor indicis supinator extensor carpi ulnaris abductor pollicis longus
spinous process
felt in the middle of the back
sacrum
five fused vertebrae
coccyx
four fused vertebrae
infraspinous fossa
infraspinatus originates from the ___
Rhomboid major
inserts on the scapula
spinal nerves
intervertebral foramina
12
males and females have ___ pairs of ribs
serratus anterior
muscle antagonistic to rhomboid major and minor
subscapularis
muscle innervated by a branch of the brachial plexus
subscapularis
muscle that inserts on the lesser tubercle of the humerus
biceps brachii
muscle that inserts on the radial tuberosity
teres major
muscle that inserts on the scapula
multifidus
muscle that rotates the vertebral column to the opposite side
opponens digiti minimi 3rd lumbrical 1st dorsal interosseous
muscles innervated by the ulnar nerve
pectoralis minor, rhomboid minor, serratus anterior
muscles that insert (wholly or partially) on the scapula
insert onto the bones of the 5th digit
opponens digiti minimi flexor digitorum superficialis flexor digitorum profundus
medial epicondyle of humerus acromion biceps brachii
palpable (felt) structures include
semispinalis capitis
primarily rotates the head and neck to the opposite side
lesser tubercle capitulum
some parts of the humerus
lordosis
spine curvature that could occur during pregnancy
upper subscapular
subscapularis is innervated by the ____ nerve
humerus
the anatomical neck is found on the
Ulna
the coronoid process is found on the
olecranon process
the insertion of triceps brachii
axillary
the lateral rotator of the arm in innervated by the _____ nerve
hamate
the most medial bone in the distal row of carpal bones
extensor carpi radialis brevis
the muscle tendon that inserts at the base of the 3rd metacarpal is _____
5
the sacrum is formed from ___ fused vertebrae
body
weight-bearing
hamate
what bone articulates with the 4th and 5th metacarpal bones?
manubrium
what is a component of the axial skeleton?
dorsal scapular
what is the nerve that innervates rhomboid major?
pectoralis major
what muscle is antagonistic to latissimus dorsi?
extensor carpi radialis longus
what muscle tendon inserts onto the base of the 2nd metacarpal?
flexor digitorum profundus
what posterior arm muscle in innervated by median and ulnar nerve?
ulnar tuberosity/coroniod process of ulna
where does the brachialis is insert?
trapezium
which bone articulates with the base of the 1st metacarpal
hamate
which bone lies immediately medial to the capitate?
gomphosis
which is not a synovial joint?
deltoid
which muscle has part of its origin from the clavicle?
extensor carpi ulnaris
which muscle inserts onto the base of the 5th metacarpal?
radial
which nerve innervates muscles that extend the hand?
dorsal scapular
which nerve innervates retractors of the scapula?
median & ulnar
which nerves innervate the muscles in the forearm AND hand?