shoulder and arm muscle group
glenohumeral joint
4 rotator cuff muscles encompass and stabilize the
the origin of the deltoid is identical to the insertion of which muscle
Trapezius
long head
Which head of the biceps brachii passes through the intertubercular groove?
what action can you ask your client to perform in order to contract all fibers of the deltoid
abduct the shoulder
name 2 actions in which the rhomboids and trapezius are synergist and 1 where they are antagonist.
adduct and elevate the scapula, trap upwardly rotates the scapula while rhomboids downwardly rotates the scapula
to feel the middle fibers of the trapezius contract, you could ask your client to perform which action
adduction of scapula and bring shoulder up off the table
the actions of the deltoid's anterior and posterior fibers make it an ____________ to itself
antagonist
Deltoid
as you follow the biceps brachii belly proximally, it becomes deep to what muscle
the subscapularis tendon can be located between 2 tendons of which muscle
biceps brachii
the pectoralis minor has the potential to create neurovascular compression on which 3 vessels
brachial plexus, axillary artery and axillary vein
flexing the shoulder and pulling it anterioriorly while you palpate the pectoralis major on a side lying position has which 2 benefits
brings the pectoralis major off of the chest wall and allows breast tissue to fall away
the pectoralis major is divided into 3 sections
clavicular, sternal and costal
the most important aspect when palpating near breast tissue
communicating your intentions to your client
if you follow the fibers of the pectoralis major laterally, they blend with the fibers of what muscle
deltoid
the upper fibers of the trapezius elevate the scapula, so the lower fibers must __________ the scapula
depress
An action to ask your partner to perform to feel the levator scapula contract is ________?
elevation of the scapula
what action could you ask you client to perform to feel the contraction of the long head of the triceps Brachii
extend his elbow
bilateral contraction of the upper fibers of the trapezius will create what movements of the head and neck
extension
to locate the infraspinatus and teres minor tendons in a supine position, how would you position your client's shoulder
flex the shoulder 90°, horizontally adduct and laterally rotate the shoulder
when palpating the latissimus dorsi, how can you discern the muscle tissue from superficial skin
grasp tissue and let it slip through your fingers as you feel for the muscles fibrous texture
Deltoid
if you follow the fibers of the infraspinatus laterally, they converge underneath which muscle
in which 2 directions do you want to move from the coracoid process to locate the subscapularis tendon
inferior and lateral
one palpatory distinction between the teres major and latissimus dorsi is tha the teres attaches to the _________ of the scapula
lateral border
How can you position the shoulder to bring the belly of the coracobrachialis to a superficial position?
laterally rotate and abduct the shoulder
most of the serratus anterior is deep to the scapula and which 2 muscles
latissimus dorsi and pectoralis major
which portion of the latissimus dorsi is easy to grasp
middle
in anatomical position, the coracobrachialis is deep to which 2 muscles
pectoralis major and anterior deltoid
what action could you ask your client to do to gently contract the subscapularis
rotate shoulder medially
when accessing the levator scapula in a supine position, the benefits of rotating the head 45° away from the side you are palpating include
shifts the cervical TVP's further anterior, gives the levator more palpable tensions and shortens and softens the overlying trapezius
the levator scapula is situated between which 2 muscles on the lateral side of the neck
splenis capitis and posterior scalene
name an everyday action in which the biceps brachii's ability to supinate the forearm would come in handy
starting your car by turning your key
name an everyday action using your pectoralis major
stirring a pot
long head of triceps brachii weaves between which 2 muscles before attaching at infraglenoid tuberacle
teres major and teres minor
Multipennate Fibers & Thick Superficial Fascia
the dense quality of the infraspinatus is due to it's
Supraspinatus
the only rotator cuff muscle not involved with rotation of the shoulder is
Rhomboids
the serratus anterior abducts the scapula, making it a direct antagonist to the
subscapular fossa and serratus anterior
the subscapularis is sandwiched between which fossa and which muscle
bicipital aponeurosis
the thin sheet of fascia extending from the distal biceps brachii tendon is called the
Deltoid
to access the supraspinatus tendon, you need to sink your thumb tip through which muscle
pectoralis major
to locate the belly of coracobrachialis, from which muscle would you slide off of into the axilla
Trapezius
to locate the supraspinatus belly, you must palpate through which muscle
olecranon process
to outline the distal tendon of the triceps brachii, which bony landmark do you locate
the rhomboids are deep to the _______ muscle and superficial to the ___________ muscles.
trapezius and erector spinae
accessing the medial portion of the serratus anterior by curling your fingers around the medial border of the scapula, you fingers will inherently have to work through the bellies of which 2 muscles
trapezius and rhomboids
spine, medial and lateral border of the scapula
what 3 bony landmarks can you lay your fingers along to isolate the belly of the infraspinatus
abduction of the shoulder
what is the best action to ask your partner to perform to feel the supraspinatus contract
latissimus dorsi and teres major
when accessing the subscapularis from side lying position, under what 2 muscles should you slide your thumb
teres major medically rotates the shoulder while teres minor laterally rotates the shoulder. minor is smaller
you can distinguish the teres minor from the teres major by their sizes and actions, explain