Gross Anatomy of Muscles

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Gross Anatomy of Muscles

• Anterior and Posterior Trunk Muscles
• Arm and Shoulder Muscles
• 207-209

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Table 6.3 Superficial Anterior Muscles of the
Body (See Figure 6.22) (2 of 3).
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Figure 6.17a Muscles of the anterior trunk,
shoulder, and arm.
Clavicle
Deltoid
Sternum
Pectoralismajor
Bicepsbrachii
Brachialis
Brachio-radialis
(a)
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Figure 6.17b Muscles of the anterior trunk,
shoulder, and arm.
Pectoralismajor
Rectusabdominis
Transversusabdominis
Internaloblique
Externaloblique
Aponeurosis
(b)
5
Table 6.4 Superior Posterior Muscles of the Body
(Some Forearm Muscles Also Shown) (See Figure
6.23) (1 of 3).
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Figure 6.18a Muscles of the posterior neck,
trunk, and arm.
Occipital bone
Sternocleidomastoid
Spine of scapula
Trapezius
Deltoid (cut)
Deltoid
Tricepsbrachii
Latissimusdorsi
Humerus
Olecranonprocess ofulna (deepto tendon)
(a)
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Figure 6.18b Muscles of the posterior neck,
trunk, and arm.
C7
T1
Erector spinae
Iliocostalis
Longissimus
Spinalis
Quadratuslumborum
(b)
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Figure 6.19 The fleshy deltoid muscle is a
favored site for administering intramuscular
injections.
Deltoidmuscle
Humerus