Figure 10.1
(a)
(b)
(e)
(d)
(g)
(f)
(c)
Circular
(orbicularis oris)
(b) Convergent
(pectoralis major)
(c) Parallel
(sartorius)
(d) Unipennate
(extensor
digitorum
longus)
(f) Fusiform
(biceps brachii)
(g) Multipennate
(deltoid)
(e) Bipennate
(rectus femoris)
Fig. 11.1a
Fig. 11.1b
The Muscular System
11-4
Figure 11.1
Figure 10.4
Shoulder
Arm
Forearm
Pelvis/thigh
Thigh
Leg
Head
Facial
Neck
Thorax
Abdomen
Thigh
Leg
Trapezius
Deltoid
Triceps brachii
Biceps brachii
Brachialis
Pronator teres
Brachioradialis
Flexor carpi radialis
Palmaris longus
Iliopsoas
Pectineus
Rectus femoris
Vastus lateralis
Vastus medialis
Fibularis longus
Extensor digitorum longus
Tibialis anterior
Temporalis
Epicranius, frontal belly
Orbicularis oculi
Zygomaticus
Orbicularis oris
Sternohyoid
Sternocleidomastoid
Pectoralis major
Pectoralis minor
Serratus anterior
Intercostals
External oblique
Rectus abdominis
Internal oblique
Transversus abdominis
Sartorius
Tensor fasciae latae
Adductor longus
Gracilis
Gastrocnemius
Soleus
Masseter
Platysma
Figure 10.5
Arm
Triceps brachii
Brachialis
Forearm
Brachioradialis
Extensor carpi
ulnaris
Extensor digitorum
Iliotibial tract
Leg
Gastrocnemius
Soleus
Fibularis longus
Neck
Epicranius, occipital belly
Sternocleidomastoid
Trapezius
Shoulder
Hip
Gluteus medius
Gluteus maximus
Thigh
Biceps femoris
Adductor magnus
Semitendinosus
Semimembranosus
Latissimus dorsi
Rhomboid major
Infraspinatus
Deltoid
Teres major
Flexor carpi ulnaris
Extensor carpi
radialis longus
Calcaneal
(Achilles) tendon
Hamstrings:
Figure 10.6
Corrugator
supercilii
Orbicularis oculi
Levator labii
superioris
Zygomaticus
minor and major
Buccinator
Risorius
Orbicularis oris
Mentalis
Depressor
labii inferioris
Depressor anguli oris
Platysma
Galea
aponeurotica
Frontal belly
Occipital
belly
Temporalis
Masseter
Sternocleidomastoid
Trapezius
Splenius capitis
Epicranius
Muscles of the Back
11-8
Figure 11.13
Muscles of the Anterior Abdominal Wall, continued
11-9
Figure 11.12
Fig. 11.11
Figure 10.11a
Transversus abdominis
Internal oblique
External oblique
Aponeurosis of the
external oblique
(a)
Pectoralis major
Linea alba
Tendinous
intersection
Rectus
abdominis
Inguinal ligament
(formed by free
inferior border of
the external oblique
aponeurosis)
Serratus anterior
PLAY
A&P Flix™: Muscles that act on the shoulder joint� and humerus: An overview (b)
Figure 10.13a
Subclavius
Clavicle
Subscapularis
Pectoralis minor
Coracobrachialis
Serratus anterior
Humerus
Sternocleido-
mastoid
Deltoid
Pectoralis
major
Sternum
Biceps brachii
(a)
Fig. 11.13
Figure 10.13c
Trapezius
(c)
Levator
scapulae
Supraspinatus
Clavicle
Spine of
scapula
Infraspinatus
Teres minor
Humerus
Deltoid
Teres major
Latissimus
dorsi
Rhomboid
minor
Rhomboid
major
Table 11.7c
Fig. 11.15
Fig. 12.3
Muscles Acting on the Arm, continued
12-18
Figure 12.3
Figure 10.14b
Supraspinatus*
Spine of scapula
(b) Posterior view
Deltoid (cut)
Greater tubercle
of humerus
Infraspinatus*
Teres minor*
Teres major
Triceps brachii:
Latissimus dorsi
Humerus
Olecranon process
of ulna
Lateral head
Long head
Anconeus
* Rotator cuff muscles
Figure 10.17a
PLAY
A&P Flix™: Movement at the elbow joint
Triceps
brachii
Lateral
head
Humerus
Long
head
Medial
head
(a)
Brachialis
Short head
Long head
(a) Muscles of the arm
Extensors
Flexors
Others
Posterior
compartment
of arm (extends
elbow); innervation:
radial nerve
Biceps brachii
Anterior compartment
of arm (flexes elbow);
innervation:
musculocutaneous
nerve
Muscles Acting on the Wrist �and Hand (Anterior)
12-21
Figure 12.8
Figure 10.15a
Biceps brachii
Tendon of biceps brachii
Pronator teres
Brachioradialis
Extensor carpi radialis longus
Flexor pollicis longus
Pronator quadratus
Flexor retinaculum
Medial head of
triceps brachii
Medial epicondyle
of humerus
Flexor carpi radialis
Palmar aponeurosis
Superficial transverse
ligament of palm
Palmaris longus
Flexor carpi ulnaris
Flexor digitorum
superficialis
(a)
Tendon of biceps
brachii (cut)
Flexor digitorum
superficialis
Supinator
Extensor carpi
radialis longus
Tendon of flexor
carpi ulnaris (cut)
Tendon of flexor
carpi radialis (cut)
Tendon of
brachioradialis (cut)
Tendon of flexor
digitorum superficialis
(b)
Flexor pollicis longus
Pronator quadratus
Copyright © 2010 Pearson Education, Inc.
Figure 10.15c
Supinator
Tendon of flexor
carpi ulnaris (cut)
Tendon of flexor
digitorum profundus
Flexor pollicis longus
Thenar muscles of thumb
Tendon of flexor
pollicis longus
Lumbricals
Tendon of flexor digitorum
superficialis (cut)
Pronator quadratus
Flexor digitorum
profundus
(c)
Muscles Acting on the Wrist �and Hand (Posterior)
12-25
Figure 12.8
Figure 10.16a
Insertion of
triceps brachii
Anconeus
Flexor carpi
ulnaris
Extensor carpi
ulnaris
Extensor digiti
minimi
Extensor indicis
Tendons of extensor carpi
radialis brevis and longus
Extensor
expansion
(a)
Extensor pollicis
longus
Extensor pollicis
brevis
Abductor
pollicis longus
Extensor digitorum
Extensor carpi
radialis brevis
Extensor carpi
radialis longus
Brachioradialis
Tendons of
extensor
digitorum
Figure 10.16b
Olecranon process of ulna
Interossei
Anconeus
Supinator
Abductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis
Extensor indicis
(b)
Figure 10.19a
Psoas minor
Iliac crest
Psoas major
Iliopsoas
12th rib
Quadratus lumborum
Iliacus
Anterior superior iliac spine
Tensor fasciae latae
Pectineus
Sartorius
Quadriceps femoris
• Rectus femoris
• Vastus lateralis
• Vastus medialis
(a)
Adductor magnus
Patella
Patellar ligament
Tendon of quadriceps femoris
12th thoracic vertebra
5th lumbar vertebra
Adductor longus
Gracilis
Fig. 12.13
Figure 10.20a
Gluteus medius
Gluteus maximus
Adductor magnus
Gracilis
Iliotibial tract
Long head
Semitendinosus
Semimembranosus
Short head
Biceps
femoris
Hamstrings
(a)
Fig. 12.15
Figure 10.22a
Patella
Head of fibula
Gastrocnemius
Soleus
Fibularis longus
Extensor digitorum longus
Tibialis anterior
Fibularis brevis
Flexor hallucis longus
Fibular retinaculum
Lateral malleolus
Superior and inferior extensor
retinacula
5th metatarsal
(a)
Figure 10.23a
Gastrocnemius
Plantaris
Medial head
Lateral head
Tendon of
gastrocnemius
Calcaneal tendon
Medial malleolus
Lateral malleolus
Calcaneus
(a) Superficial view of the posterior leg.
Figure 10.23c
Gastrocnemius
medial head (cut)
Flexor digitorum
longus
Tendon of tibialis
posterior
Medial malleolus
Calcaneal tendon (cut)
Calcaneus
Fibularis brevis
Flexor hallucis longus
Fibularis longus
Fibula
Tibialis posterior
Soleus (cut)
Popliteus
Gastrocnemius
lateral head (cut)
Plantaris (cut)
(c) The triceps surae has been removed to show the
deep muscles of the posterior compartment.