Strains, Fxs, & Functional Tests

Question 1

Strains:

Answer 1

musculotendinous unit stretched and/or torn
weakest point > belly

Question 2

Skeletal muscle transmits ________________ for movement
characteristics (5)

Answer 2

mechanical forces
striated
voluntary contractile tissue
actin and myosin myofilaments = sarcomere
hypervascular
enveloped by fascia

Question 3

Fascia Characteristics: (4)

Answer 3

continuous loose connective tissue throughout the body
minimal contractile properties vs. mm
surrounds and permeates all tissues and organs
can scar and harden following injury

Question 4

Strains: Prevalence

Answer 4

quads -less common
hams - more common

Question 5

risk factors of strains

Answer 5

abnormal ham/quad ratio may be predisposition to injury
lack of warm up

Question 6

etiology of strains:

Answer 6

injured directly
indirect
functional - majority of strains
structural

Question 7

grade 1/1st degree strain:

Answer 7

mild. activity may continue. onset within 48 hours. fibers stretched but NOT torn. minimal if any hemorrhage/ecchymosis

Question 8

grade 2/2nd degree strain:

Answer 8

moderate. activity stops. fibers stretched and/or torn. possible hemorrhage/ecchymosis

Question 9

grade 3/3rd degree strain:

Answer 9

severe. activity stops. fibers torn completely. significant hemorrhage/ecchymosis

Question 10

symptoms of strains

Answer 10

localized pain
sudden onset with forceful activity
possible limited motion and WBing

Question 11

signs of strains:
- observation
- rom
- resisted
- special tests:
- palpation

Answer 11

• possible asymmetrical and antalgic gait and ecchymosis
• P! with lengthening
• likely P!ful and weak (grade 1 only in lengthened range, grade 2 mid range)
• shortened muscle length
• TTP and possible tissue defect with grade II and III

Question 12

return to play with strains
- functional or grade 1:
- structural grade 2:
- structural grade 3:

Answer 12

1-2 weeks
5-6 weeks
> 8 weeks

Question 13

distinctive Rx:
- patient education:
- _____ _____ to help muscle action

Answer 13

• soreness rule and load management
• compression wrapping

Question 14

Rx for strains: MET:
- primary focus
- maximal contractions held until

Answer 14

tissue integrity and muscle characteristics including progressing to agility and power activities
8 weeks with structural change of Grade II and III strains

Question 15

PT Rx for fractures:

Answer 15

primarily treating consequences of immobilization with other tissues