Musculoskeletal Injuries

What is the definition of a muscle strain? (Fill in the blank) A muscle strain is a ________, tear, or rip in the muscle or its tendon caused by excessive tension or force.

• stretch

• bruise

• sprain

• fracture

Muscle strain results from overuse, overstretching, or a sudden forceful ________.

• contraction

• relaxation

• compression

• expansion

Contributing factors to muscle strain include fatigue, muscle imbalance, and inadequate warm-up.

• True

• False

Fill in the blank: Grade 1 muscle strain is characterized by

• mild pain, mild tenderness, minimal loss of function, minimal loss of ROM

• severe pain, complete loss of function, and total loss of ROM

• moderate pain, moderate tenderness, and partial muscle tear

• no pain, no tenderness, and full range of motion

Fill in the blank: Grade 2 muscle strain is characterized by __.

• moderate pain, some swelling, palpable defect, decreased ROM, some loss of function, possible bruising

• mild discomfort, no swelling, full range of motion, no loss of function

• severe pain, complete loss of function, obvious deformity, extensive bruising

• no pain, no swelling, normal function, no bruising

Fill in the blank: Grade 3 muscle strain is characterized by ___.

• severe pain, loss of function, bruising, decreased ROM/complete loss of movement, visible defect

• mild discomfort, no loss of function, slight swelling

• moderate pain, some loss of strength, mild swelling

• occasional cramps, no visible bruising, full range of motion

What is the definition of muscle cramps? Muscle cramps are __________ that occur suddenly and are often painful.

• involuntary muscle contractions

• voluntary muscle relaxations

• slow muscle growths

• intentional muscle movements

Which of the following is a common cause of muscle cramps?

• Proper hydration

• Balanced electrolytes

• Muscle fatigue

• Regular stretching

• Good nutrition

Which of the following is a sign or symptom of muscle cramps?

• Visible muscle contraction

• Headache

• Nausea

• Rash

Fill in the blank: Muscle soreness is defined as ________ in muscles after overexertion or unaccustomed activity.

• pain or discomfort

• increased strength

• rapid healing

• loss of flexibility