Joints and Ligaments
“Joint” that helps connect the scapula to the thorax
What is scapulothoracic articulation?
The motion that occurs when the scapula moves away from the midline
What is scapular protraction?
Impairment of the _____ muscle will cause scapular winging.
What is serratus anterior?
Structure that deepens glenoid fossa and creates a “vacuum”
What is the glenoid labrum?
Supraspinatus, infraspinatus, and teres minor muscles attach to the ____ of the humerus
What is greater tubercle?
The ligament that connects the clavicle to the sternum on both anterior and posterior surfaces
What is the sternoclavicular ligament?
Arthrokinematics that occur at the glenohumeral joint during shoulder flexion
What is anterior and inferior roll and posterior glide?
Most frequently broken bone in children that usually results from fall on lateral aspect of shoulder or outstretched hand.
What is the clavicle?
Squeezing the shoulder blades together during an exercise will primarily target the _____ muscle
Rhomboids
55 degrees abduction and 30 degrees horizontal adduction is called the _____ position of the glenohumeral joint
What is open-packed?
B) The ligament that limits the amount of clavicular depression
A)What is the costoclavicular ligament?
B) What is the interclavicular ligament?
For hyperextension in the shoulder joint, what scapular motion should also occur?
What is scapular tilt?
Compression of the subacromial space can result in _____
Impingement syndrome
Muscles involved in upward rotation
What is lower trapezius, serratus anterior, and upper trapezius?
Name all 4 rotator cuff muscles
A) What is subscapularis, supraspinatus, infraspinatus, and teres minor?
Two bursae that help counter friction in the shoulder joint
What are subdeltoid bursa and subacromial bursa?
During flexion in the shoulder joint, what motions are happening at the shoulder girdle?
What is upward rotation and protraction?
A) _____ causes inflammation and fibrosis of shoulder joint capsule
B) Name an occupation that can contribute to this condition
A) What is adhesive capsulitis / frozen shoulder?
B) Swimming, pitching baseball, etc
Someone abducting their shoulder 150 degrees will result in A)_____ degrees of glenohumeral movement and B)_____ degrees of scapular movement. (You can try to do this mentally!)
What is A) 110 degrees of glenohumeral movement and B) 40 degrees of scapular movement?
The clavicular portion of the pectoralis major A) FLEXES or EXTENDS the shoulder during the first 60 degrees of motion.
The sternal portion B) FLEXES OR EXTENDS the shoulder during the first 60 degrees of motion.
A) What is flexes?
B) What is extends?
A) Broad fibrous sheet on posterior thorax and abdomen that attaches to the iliac crest
B) This structure provides a broad attachment for the ______ muscle
A) What is the thoracolumbar fascia?
B) What is the latissimus dorsi?
The sternoclavicular joint is a synovial joint with A) 1, 2, or 3 degrees of freedom.
The acromioclavicular joint is a plane-shaped joint that allows for B)_____ motions.
A) What is triaxial joint? (It’s synovial)
B) What is gliding?
A spiral fracture in the mid-humerus can increase risk of a _____ nerve injury
What is radial?
B) Name an occupation that would use downward rotation
A) What is levator scapulae, pectoralis minor, and rhomboids?
B)
A) “Little helper” of the latissimus dorsi
B) What can latissimus dorsi do that (A) can’t?
A) What is teres major?
B) What is hyperextension?