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muscle group 1
shoulder and arm
Question | Answer |
---|---|
Holding your arms out like superman is a good way to feel the contraction of which part of the trapezius? | lower superficial fibers |
in a prone position, what movement of the shoulder can you perform to create a strong contraction of the latissimus dorsi? | medially rotate shoulder against resistance |
what is the origin of the latissimus dorsi? | thoracolumbar |
the four rotator cuff muscles encompass and stabilize which joint? | glenohueral |
what is the shared attachment site for three out of four rotator cuff muscles? | (greater) tubercle of the humerus |
what is the best action to ask your partner to perform to feel the supraspinatus contract? | abducting and relaxing his shoulder |
which bony landmark is located on the lateral side of the mid-humeral shaft? | deltiod tubercle |
what bony landmark serves as an attachment site for three of the four rotator cuff muscles? | greater tubercle |
the scapula serves an an attachment site for how many muscles? | 17 |
what muscle is completely superficial? | deltoids |
which of the following acts as an antagonist to the biceps brachii during shoulder flexion? | pectoralis major (lowerfibers) |
what muscle acts as a synergist with teres minor during lateral rotation of the shoulder? | infraspinatus |
which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? | romboid major |
which muscle helps to create downward rotation of the scapula? | levator scapula |
a 'winged scapula' often indicates a weakness in which muscle? | serratus anterior muscle |
which part of the scapula serves as an attachmnent site for the long head of triceps brachii? | infaglenoid tuercle |
the supraspinous fossa is located just superior to which landmark? | spine of he scapula |
to access the medial portion of the subscapular fossa, hou should you position your partner? | side laying |
what attachment site do the trapezius and deltoid muscles have in common? | acromion |
to feel the sternoclavicular joint space widen slightly and then diminish, ask your partner to perform which two movements? | elevate and depress |
the origin of the deltoid is identical to the insertion of which muscle? | trapezius |
which portion of the trapezius muscle elevates the scapula? | upper fibers |
when palpating the clavicle which end will you feel curving inferiorly? | sternal |
which movement of the head and neck would shorten the upper fibers of the trapezius on the right side of the body? | rotate to the left |
what are th efour rotator cuffs? | supraspinatus, infraspinatus, teres minor, subscapularis |
where is the terris major | located along the scapulas lateral border between the latissimus dorsi and teres minor |