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Muscles and Body Movements

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Muscles and Body Movements Origin Insertion Figure 6.12 ... Hip, and Thigh Figure 6.19c Muscles of the Lower Leg Figure 6.20 Superficial Muscles: ... – PowerPoint PPT presentation

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Title: Muscles and Body Movements


1
Muscles and Body Movements
  • Origin
  • Insertion

Figure 6.12
2
(No Transcript)
3
Types of Ordinary Body Movements
  • Flexion-
  • Extension
  • Hyperextension
  • Rotation
  • Abduction
  • Adduction
  • Circumduction

4
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5
Special Movements
  • Dorsiflexion
  • Plantar flexion
  • Inversion
  • Eversion
  • Supinate
  • Pronate
  • Opposition

6
Body Movements
Figure 6.13ac
7
Body Movements
Figure 6.13d
8
Types of Muscles Jobs
  • Prime mover
  • Antagonist
  • Synergist
  • Fixator

9
Naming of Skeletal Muscles
  • 1. Direction of muscle fibers
  • 2. Relative size of the muscle
  • 3. Many muscles are named for bones
  • 4. Number of origins
  • 5. Location of the muscles origin and insertion
  • 6. Shape of the muscle
  • 7. Action of the muscle

10
5 Golden Rules of Skeletal Muscle
  • 1). All muscles cross at least one joint
  • 2). The bulk of the muscle lies proximal to the
    joint
  • 3). Two attachments origin and insertion
  • 4). Muscles pull
  • 5). The insertion moves toward the origin

11
Head and Neck Muscles
Figure 6.15
12
Trunk Muscles
Figure 6.16
13
Deep Trunk and Arm Muscles
Figure 6.17
14
Muscles of the Pelvis, Hip, and Thigh
Figure 6.19c
15
Muscles of the Lower Leg
Figure 6.20
16
Superficial Muscles Anterior
Figure 6.21
17
Superficial Muscles Posterior
Figure 6.22
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