Deck 12: Muscle and Tendon Healing

Question 1

Which term is defined as an acute injury to the tendon with an associated inflammatory response?

A) Tenosynovitis
B) Peritenonitis
C) Tendinosis
D) Tendinitis

Answer 1

Tendinitis

Question 2

In which stage of the inflammatory process do capillaries begin growth and fibroblast cells enter the injured area to begin synthesizing new collagen?

A) Acute
B) Inflammatory
C) Subacute
D) Chronic

Answer 2

Subacute

Question 3

What is the basic functional unit of the tendon?

A) Subfascicles
B) Collagen fibrils
C) Collagen fiber
D) Partenon

Answer 3

Collagen fiber

Question 4

Which skeletal muscle fiber type is characterized by high resistance to fatigue,slow twitch,high aerobic capacity,and high myoglobin content?

A) Type I
B) Type IIA
C) Type IIX (IIB)
D) Type X

Question 5

Which tendon is frequently ruptured and surgically repaired?

A) Quadriceps
B) Achilles
C) Supraspinatus (rotator cuff)
D) All of the above

Question 6

Which term is defined as degeneration to the tendon not associated with an inflammatory process?

A) Tenosynovitis
B) Peritenonitis
C) Tendinosis
D) Tendinitis

Question 7

Which of the following surrounds each individual muscle fiber?

A) Endomysium
B) Perimysium
C) Epimysium
D) Fasciculus

Question 8

An injured patient complains of pain,functional loss,and warmth and swelling at the site of an injury for the past week.What diagnosis would you suspect?

A) Tendinopathy
B) Tendon rupture
C) Tendonitis
D) Tenovaginitis

Question 9

Select the interventions implemented in the physical therapy department for the chronic stage of healing.

A) Protection,rest,ice,compression and elevation
B) NSAIDs,passive ROM,and active assisted ROM
C) Active ROM and NSAIDs,massage,mobilization
D) NSAIDs,progressive strengthening and functional exercises

Question 10

What is the area between the muscle and the tendon?

A) Joint
B) Muscle-tendon connector
C) Musculotendinous junction
D) Musculotendinous area

Question 11

What does the term twitch refer to in muscle fibers?

A) The ability to cause a contraction
B) The time it takes the muscle fiber to contract and relax
C) The shape and function of the fiber
D) The consistency of resistance to fatigue

Question 12

Which of the following changes occurs in an aging tendon?

A) There is an increase in collagen fibers
B) The ability to turn over collagen increases
C) The ability to add new collagen fibers decreases
D) The size of the tendon is larger

Question 13

Select the term that is defined as the outermost layer of connective tissue that surrounds the muscle.

A) Endomysium
B) Perimysium
C) Epimysium
D) Fasciculus

Question 14

Select the cause of a direct muscle injury.

A) Violent or excessive muscular stretch
B) Excessive muscular stretch combined with an eccentric muscular contraction
C) A severe compressive applied load
D) Blunt trauma or a deep laceration

Question 15

Select the physical therapy interventions implemented immediately following an acute injury to a muscle.

A) Protection,rest,ice,compression,and elevation (PRICE)
B) Nonsteroidal antiinflammatory drugs (NSAIDs),passive range of motion (ROM),and active assisted ROM
C) Active ROM and NSAIDs,massage,mobilization
D) NSAIDs,progressive strengthening and functional exercise

Question 16

Select the best characteristic of a second-degree muscle strain.

A) A muscle tear of a few fibers,minor weakness,no loss of function,minor pain
B) Tear of the whole muscles,major weakness,loss of function
C) Noticeable degree of swelling,moderate weakness,and loss of function
D) Significant degree of swelling and no pain

Question 17

What is the function of the paratenon?

A) It surrounds the fiber bundles of the tendon in a protective mechanism
B) It allows gliding over adjacent structures
C) It prohibits fibrocartilage from converting to mineralized fibrocartilage
D) It stores elastic energy created during plyometric exercises

Question 18

Which of the following muscle changes is characterized by loss of muscle weight,loss of force and tension,and decreased muscle fiber size?

A) Muscle atrophy
B) Muscle strain
C) Muscle tendinopathy
D) None of the above

Question 19

What is the basic functional unit of the myofibril composed of?

A) Contractile proteins myosin and actin grouped together as a sarcomere
B) Tendons and muscles
C) Skeletal muscle
D) Type I muscle fibers

Question 20

Why is it important for the physical therapist assistant (PTA)to understand the types of fibers comprising muscle? Select the best answer.

A) The exercise prescription during different phases of the healing process takes into account the fiber composition of the injured skeletal muscle
B) The physical therapist expects the PTA to understand the different types of muscle fibers and their corresponding exercises
C) The muscles require the same exercises for all types of muscle fibers
D) The outcomes of physical therapy depend on the types of muscle fibers involved in the treatment exercises