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Muscle Group 1
Muscle Group 1 Shoulder and Arm Review
| Question | Answer |
|---|---|
| Asking your prone partner to hold his arms in front of him like Superman is a good way to feel the contraction of which part of the trapezius? | The Superficial lower fibers |
| With your partner in a prone position, what movement of the shoulder can can he perform to create a strong contraction of the latissimus dorsi fiber? | medially rotate the shoulder against resistance. |
| Considering their attachment sites, which bony landmark can help you distinguish the teres major from the latissimus dorsi fiber? | The lateral border of the scapula |
| Which of the following is a part of the origin of the latissimus dorsi? | Thorocolumbar Aponeurosis |
| The four rotator cuff muscles encompass and stabilize which joint? | Glenohumeral Joint |
| What is the shared attachment site for three out of the four rotator cuff muscles? | The greater tubercule |
| What is the best action to ask your partner to perform to feel the supraspinatus contract? | Alternatively abducting and relaxing his shoulder. |
| Which bony landmark is located on the lateral of the mid-humeral shaft? | The deltoid tuberosity |
| What bony landmark serves as an attachment site for three of the four rotator cuff muscles? | The greater tubercle of the humerus. |
| The scapula serves as an attachment site for how many muscles? | 17 different muscles |
| Which of the following muscles is completely superficial? | The Deltoid |
| Which of the following acts as an antagonist to the biceps brachii during shoulder flexion? | The Pectoralis Major (lower fibers) |
| Which muscle acts as a synergist with teres minor during lateral rotation of the shoulder? | The infraspinatus |
| Which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? | Rhomboid 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 attachment site for the long head of the triceps brachii ? | Infraglenoid Tubercule |
| The supraspinous fossa is located just superior to which landmark? | Spine of the Scapula |
| To access the medial portion of the subscapular fossa, how should you position your partner? | Side-lying with their arm at their side |
| What attachment site do the trapezius and deltoid muscles have in common? | The Acromion |
| To feel the sternoclavicular joint space widen slightly and then diminish, ask your partner to perform which two movements? | Elevation and Depression |
| The origin of the deltoid is identical to the insertion of which muscle? | The trapezius |
| Which portion of the trapezius muscle elevates the scapula? | The upper fibers |
| When palpating the clavicle, which end will you feel curving inferiorly? | The Sternal end |
| Which movement of the head and neck would shorten the upper fibers of the trapezius on the right side of the body? | Rotation to the left |
Created by:
Bazile23
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