tissue healing and wound care
strains/sprains that cause mod. discomfort, tenderness, swelling, eccymosis, detectable joint instability, muscle weakness
2nd degree
what two potential effects occur when a force acts on an object
acceleration, deformation
which of the following is not a macrotrauma
achilles tendinitis
structure is stronger at resisting force from certain directions compared to others
anisotropic
what structures found within a synovial joint help with shock absorption
articular cartilage, synovial fluid
common mechanism of injury for muscle contusion
compression
contusion
compressive
better known as bruise
contusion
superficial tissue discoloration
ecchymosis
swelling from collection of exuded lymph fluid in interstitial tissues
edema
ability of a muscle to stretch
extensibility
characteristics of scar tissue
fibrous, inelastic, nonvascular
localized mass of blood and lymph confined within space or tissue
hematoma
what 2 factors determine whether an injury occurs when a force is sustained by tissues in the human body
magnitude of forces, tissue's material properties
injury to small number of cells because of accumulation effects in repetitive forces
microtrauma
bone cells that form new bone tissue
osteoblast
at age 40 in women and 60 in men, ____ activity increases, while ____ decreases, leading to ____ in bone density
osteoclast, osteoblast, decrease
which of the following best describes stage 2 tendinitis
pain during activity, doesn't restrict performance
as a part of the healing of soft tissue, fibroblast production of a supportive network of type 1 and 2 collagen takes place
proliferation phase
muscle spasm is caused by
reflex action initiated by trauma
spiral tibial fracture
shear/torsion
overstretching/possible tearing of a ligament
sprain
overstretching/possible tearing of muscle/tendon
strain
the distribution of force over a given area is called
stress
While stretching for an overthrown ball a first baseman strained an adductor muscle. What type of force would have produced this injury?
tensile
ankle inversion sprain
tensile
ligamentous injuries are usually caused by
tensile
quadriceps strain
tensile
when a bone fractures it most typically fractures on the side receiving a ___ force
tensile
beginning of acute inflammatory phase is marked by
vasoconstriction