Axial Musculature [INSERT FIG. 11.12b] Figure 1012b Muscles

Axial Musculature [INSERT FIG. 11.12b] Figure 1012b Muscles

Axial Musculature [INSERT FIG. 11.12b] Figure 1012b Muscles of the Pelvic Floor. Copyright 2010 Pearson Education, Inc. Axial Musculature

[INSERT Table. 11.10-please split onto 2 slides if necessary] Copyright 2010 Pearson Education, Inc. Axial Musculature [INSERT Table. 11.10-please split onto 2 slides if

necessary] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Position and stabilize pectoral and pelvic girdles Move upper and lower limbs Divisions of Appendicular Muscles

Muscles of the shoulders and upper limbs Muscles of the pelvis and lower limbs Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.13a] Figure 1013a An Overview of the Appendicular Muscles of the Trunk.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.13b] Figure 1013b An Overview of the Appendicular Muscles of the Trunk. Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles of the Shoulders and Upper Limbs Position the pectoral girdle Move the arm Move the forearm and hand Move the hand and fingers Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Position the Pectoral Girdle Trapezius Superficial Covers back and neck to base of skull Inserts on clavicles and scapular spines Trapezius

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Position the Pectoral Girdle Rhomboid and levator scapulae Deep to trapezius Attach to cervical and thoracic vertebrae Insert on scapular border

Rhomboid Minor Rhomboid Major Levator Scapulae Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.15a]

Figure 1014a Muscles That Position the Pectoral Girdle. Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Position the Pectoral Girdle Serratus anterior On the chest Originates along ribs Inserts on anterior scapular margin

Serratus Anterior Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Position the Pectoral Girdle Subclavius Originates on ribs Inserts on clavicle

Pectoralis minor Attaches to scapula Pectoralis Minor Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT FIG. 11.15b] Figure 1014b Muscles That Position the Pectoral Girdle. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.11]

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Arm Deltoid The major abductor Supraspinatus Assists deltoid

Supraspinatus Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Arm Subscapularis and Teres major Produce medial rotation at shoulder

Subscapularis Teres Major Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1015a Muscles That Move the Arm. Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Move the Arm Infraspinatus and teres minor Produce lateral rotation at shoulder Coracobrachialis Attaches to scapula Produces flexion and adduction at shoulder

Infraspinatus Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1015b(Part 1 of 2) Muscles That Move the Arm. Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Move the Arm Pectoralis major Between anterior chest and greater tubercle of humerus Produces flexion at shoulder joint Latissimus dorsi Between thoracic vertebrae and humerus Produces extension at shoulder joint

Pectoralis Major Copyright 2010 Pearson Education, Inc. Latissimus Dorsi Appendicular Musculature The Rotator Cuff Muscles involved in shoulder rotation

Supraspinatus, subscapularis, infraspinatus, teres minor, and their tendons Teres Minor Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1015a (Part 1 of 2) Muscles That Move the Arm.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1015b Muscles That Move the Arm. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT Table. 11.12] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Forearm and Hand Originate on humerus and insert on forearm Exceptions

The major flexor (biceps brachii) The major extensor (triceps brachii) Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Forearm and Hand Extensors Mainly on posterior and lateral surfaces of arm

Flexors Mainly on anterior and medial surfaces Copyright 2010 Pearson Education, Inc. Appendicular Musculature Flexors of the Elbow Biceps brachii

Flexes elbow Stabilizes shoulder joint Originates on scapula Inserts on radial tuberosity Brachialis and brachioradialis Flex elbow Biceps Brachii Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Figure 1016a Muscles That Move the Forearm and Hand. Copyright 2010 Pearson Education, Inc. Appendicular Musculature Extensors of the Elbow Triceps brachii

Extends elbow Originates on scapula Inserts on olecranon Anconeus Opposes brachialis Triceps Brachii Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Figure 1016b Muscles That Move the Forearm and Hand. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT Table. 11.13 top portion] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Flexors of the Wrist Palmaris longus Superficial Flexes wrist

Flexor carpi ulnaris Superficial Flexes wrist Adducts wrist Flexor carpi radialis Superficial Flexes wrist

Abducts wrist Copyright 2010 Pearson Education, Inc. Appendicular Musculature Extensors of the Wrist Extensor carpi radialis Superficial Extends wrist Abducts wrist

Extensor carpi ulnaris Superficial Extends wrist Adducts wrist Copyright 2010 Pearson Education, Inc. Appendicular Musculature

Figure 1016a Muscles That Move the Forearm and Hand. Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1016b Muscles That Move the Forearm and Hand.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.13 bottom portion] Copyright 2010 Pearson Education, Inc. Appendicular Musculature

Muscles That Move the Forearm and Hand Pronation and supination Pronator teres and supinator Originate on humerus and ulna Rotate radius Pronator quadratus Originates on ulna Assists pronator teres

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.17a] Figure 1016a Muscles That Move the Forearm and Hand.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1016b Muscles That Move the Forearm and Hand. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT Table. 11.13 middle portion] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Hand and Fingers Also called extrinsic muscles of the hand Lie entirely within forearm

Only tendons cross wrist (in synovial tendon sheaths) Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles that Move the Hand and Fingers Tendon sheaths Extensor retinaculum

Wide band of connective tissue Posterior surface of wrist Stabilizes tendons of extensor muscles Flexor retinaculum: Anterior surface of wrist Stabilizes tendons of flexor muscles Copyright 2010 Pearson Education, Inc.

Appendicular Musculature [INSERT FIG. 11.18a] Figure 1017a Muscles That Move the Hand and Fingers. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

Figure 1017b Muscles That Move the Hand and Fingers. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.18c] Figure 1017c Muscles That Move the Hand and Fingers.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.18d] Figure 1017d Muscles That Move the Hand and Fingers.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.14] Copyright 2010 Pearson Education, Inc. Appendicular Musculature

The Intrinsic Muscles of the Hand Muscles that move the metacarpals and phalanges and originate and insert only on those bones Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1018a Intrinsic Muscles of the Hand.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1018b Intrinsic Muscles of the Hand. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles of the Pelvis and Lower Limbs Pelvic girdle is tightly bound to axial skeleton Permits little movement Has few muscles

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Position the Lower Limbs Muscles that move the thigh Muscles that move the leg Muscles that move the foot and toes Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Move the Thigh Gluteal muscles Lateral rotators Adductors Iliopsoas 3D Peel-Away of Muscles of the Thigh

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1019a Muscles That Move the Thigh. Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Thigh: Gluteal Muscles

Cover lateral surfaces of ilia Gluteus maximus Largest, most posterior gluteal muscle Produces extension and lateral rotation at hip Tensor fasciae latae Works with gluteus maximus Stabilizes iliotibial tract

Gluteus medius and gluteus minimus Originate anterior to gluteus maximus Insert on trochanter Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.20b]

Figure 1019b Muscles That Move the Thigh. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.16 top portion] Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Move the Thigh Lateral rotators Group of six muscles, including Piriformis Obturator Copyright 2010 Pearson Education, Inc.

Appendicular Musculature [INSERT FIG. 11.20c] Figure 1019c Muscles That Move the Thigh. Copyright 2010 Pearson Education, Inc.

Appendicular Musculature [INSERT Table. 11.16 2nd section] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Thigh: Adductors Adductor magnus

Produces adduction, extension, and flexion Adductor brevis Hip flexion and adduction Adductor longus Hip flexion and adduction Pectineus

Hip flexion and adduction Gracilis Hip flexion and adduction Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.21b]

Figure 1020b Muscles That Move the Leg. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.20d] Figure 1019d Muscles That Move the Thigh.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.16 3rd section] Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Muscles That Move the Thigh: Iliopsoas Two hip flexors insert on the same tendon Psoas major Iliacus Iliopsoas Copyright 2010 Pearson Education, Inc.

Appendicular Musculature [INSERT FIG. 11.20d] Figure 1019d Muscles That Move the Thigh. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT Table. 11.16 bottom] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Leg Flexors of the knee Originate on the pelvic girdle

Extensors of the knee Originate on the femoral surface Insert on the patella Copyright 2010 Pearson Education, Inc. Appendicular Musculature Flexors of the Knee

Hamstrings Biceps femoris Semimembranosus Semitendinosus Sartorius Originates superior to the acetabulum Popliteus

Rotates the tibia to unlock the knee Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1020a Muscles That Move the Leg. Copyright 2010 Pearson Education, Inc.

Appendicular Musculature [INSERT Table. 11.17 top portion] Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Leg Extensors of the knee

Four muscles of the quadriceps femoris Three vastus muscles Rectus femoris muscle Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.21b]

Figure 1020b Muscles That Move the Leg. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.17 bottom]

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1020c Muscles That Move the Leg. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

Muscles That Move the Foot and Toes Extrinsic muscles that move the foot and toes include Muscles that produce extension at the ankle Muscles that produce flexion at the ankle Muscles that produce extension at the toes Muscles that produce flexion at the toes Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Four Muscles That Produce Extension (plantar flexion) at the Ankle Gastrocnemius Soleus Fibularis (group) Tibialis posterior 3D Peel-Away of Muscles of the Leg and Foot

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Figure 1021a Extrinsic Muscles That Move the Foot and Toes. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT FIG. 11.22b] Figure 1021b Extrinsic Muscles That Move the Foot and Toes. Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Move the Foot and Toes The Achilles Tendon

The calcaneal tendon (Achilles tendon) Shared by the gastrocnemius and soleus Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Produce Flexion (Dorsiflexsion) at the Ankle Tibialis anterior

Opposes the gastrocnemius Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Produce Extension at the Toes Extensor digitorum longum Extensor hallucis longus Extensor retinacula: fibrous sheaths hold tendons of

toes as they cross the ankle Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.22b] Figure 1021b Extrinsic Muscles That Move the Foot and Toes.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.22d] Figure 1021d Extrinsic Muscles That Move the Foot and Toes.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature Muscles That Produce Flexion at the Toes Flexor digitorum longum Flexor hallucis longus Oppose the extensors Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Figure 1021c Extrinsic Muscles That Move the Foot and Toes. Copyright 2010 Pearson Education, Inc. Appendicular Musculature

[INSERT Table. 11.18] Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.18] Copyright 2010 Pearson Education, Inc.

Appendicular Musculature The Intrinsic Muscles of the Foot Muscles that move the tarsals, metatarsals, and phalanges and originate and insert only on those bones Copyright 2010 Pearson Education, Inc.

Appendicular Musculature Figure 1022a Intrinsic Muscles of the Foot. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.23b]

Figure 1022b Intrinsic Muscles of the Foot. Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT FIG. 11.23c] Figure 1022c Intrinsic Muscles of the Foot.

Copyright 2010 Pearson Education, Inc. Appendicular Musculature [INSERT Table. 11.19] Copyright 2010 Pearson Education, Inc.

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