Lesson 5.4

Common Injuries and Disorders of

Muscles

Chapter 5: The Muscular System

5.1&5.3 bellringer answers from 1-4-16

• 5.1: 1-muscle fiber, 2-fascicle, 3-blood vessel, 4-endomysium, 5-perimysium, 6- epimysium, 7-fascia, 8-tendon, 9-bond

• 5.3: 1-D2-P3-H4-G5-K6-C7-R8-A9-S10-M

11-O12-E13-(I)-assists with flexion, abduction, and lateral rotation of thigh14-F15-L16-B17-N18-J19-Q

Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.

• strain–overstretched muscle– grade I, II, III

• contusion–bruised muscle– myositis ossificans

• cramps–spasming muscle• delayed onset muscle soreness–tear

Muscle Injuries

Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.

• tendinitis–inflamed tendon

• tendinosis–degeneration of a tendon

Tendon Injuries

Val Thoermer/Shutterstock.com

Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.

• rotational injury at shoulder• overuse of elbow• shin splints• whiplash

Joint Injuries

Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.

• muscular dystrophy• hernia

Muscle Disorders

Permission granted to reproduce for educational use only.© Goodheart-Willcox Co., Inc.

True or False?

1. Tendinitis is muscle strain.

2. A contusion is a bruise.

3. Whiplash is a joint injury.

4. A hernia is a tendon injury.

5. A strain is an over stretch of a tendon.

Review and Assessment