Chapter 21: The Shoulder
What structures provide static stability of the shoulder
Joint capsule, Ligaments, Glenoid Labrum
What is the resting position of the humeroradial joint?
Full extension, Full supination
How many flexor zones exist in the thumb?
3 flexor zones
This type of manual therapy technique is utilized either for exercises or range of motion by producing mass movement patterns, not straight plane movements.
Proprioceptive Neuromuscular Facilitation
How would you increase intensity for a plyometric exercise?
Increase height or distance
Increase speed
Add weight
What is Extrinsic Impingement of the Shoulder?
Stress induced formation of a spur on the underside of the acromion
Which phase of throwing produces the most force on the medial epiphyseal plate of the elbow, leading to Little League Elbow/
Late Cocking Phase
How many intrinsic muscles make up the thenar eminence?
4
A single muscle fiber is also known as what?
Sarcolemma
What is the goal of the hemostasis phase of healing?
Platelet plug formation (primary hemostasis)
Fibrin plug formation (secondary hemostasis)
What shoulder mobilization should be used to increase ROM of abduction
Grade 3 or 4 Inferior Glide
osteochondritis dissecans, bony osteophytes, loose body formations, articular damage, & degeneration
Which ligament prevents the flexor tendons from bowstring away from the wrist?
Transverse Carpal Ligament
What is the name of the bone-generating cells?
Osteoblasts
Which exercise regimen is used to combat disc injuries?
McKenzie Extension Back Program
Explain what occurs during the Infrapinatus/Teres Minor & Subscap force couple.
Movement produces downward translation of the humeral head in the glenoid during overhead activities
Which joint mobilization is utilized to increase pronation of the elbow?
Grade 3 & 4 Radioulnar dorsal glide
Which type of wrist fracture occurs when an athlete lands in wrist flexion, causing Volar displacement of the radius?
Smith's Fracture
This is the location of the CNS that acts as the primary proprioceptive correlation center.
Brain Stem
What happens to collagen tissue during the early remodeling phase and how can we utilize rehab to encourage the process?
Type III -> Type I
Stress helps convert and align collagen fibers to increase tensile strength (massage, exercises, etc)
What are the characteristics that describe a Type 5 AC Sprain?
Dislocation as in type 3 but additional damage to deltoid and upper trapezius; obvious deformity with tent appearance over AC area
Which muscle is most commonly involved during Lateral epicondylitis?
Extensor Carpi Radialis Brevis
Which pulleys are key to preventing bowstring of the fingers?
Which type of muscle fiber has the highest number of glycogen stores and the smallest number of mitochondria?
Type IIB
During Closed Kinetic Chain activity, which joint angle produces the greatest stress through the knee?
60-90* of Flexion