Anatomy 1

44 flashcardsby Owen
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1
Origin of the biceps brachii
The scapula
2
Insertion of the biceps brachii
The radial tuberosity
3
Nerve that innervates the biceps brachii
Musculocutaneous nerve
4
Action of the biceps brachii
Elbow flexion and forearm supination
5
Origin of the deltoid muscle
Clavicle, acromion, and spine of scapula
6
Insertion of the deltoid muscle
Deltoid tuberosity of the humerus
7
Nerve that innervates the deltoid muscle
Axillary nerve
8
Action of the deltoid muscle
Abduction of the shoulder
9
Origin of the trapezius muscle
Occipital bone, ligamentum nuchae, and spinous processes of thoracic vertebrae
10
Insertion of the trapezius muscle
Clavicle, acromion, and spine of scapula
11
Nerve that innervates the trapezius muscle
Accessory nerve (cranial nerve XI)
12
Action of the trapezius muscle
Elevates, retracts, and rotates scapula
13
Origin of the rectus femoris
Anterior inferior iliac spine
14
Insertion of the rectus femoris
Tibial tuberosity via the patellar ligament
15
Nerve that innervates the rectus femoris
Femoral nerve
16
Action of the rectus femoris
Knee extension and hip flexion
17
Origin of the gastrocnemius
Medial and lateral condyles of the femur
18
Insertion of the gastrocnemius
Calcaneus via the Achilles tendon
19
Nerve that innervates the gastrocnemius
Tibial nerve
20
Action of the gastrocnemius
Plantarflexion of the foot and flexion of the knee
21
Origin of the pectoralis major
Clavicle, sternum, and cartilage of ribs 1-6
22
Insertion of the pectoralis major
Greater tubercle of the humerus
23
Nerve that innervates the pectoralis major
Medial and lateral pectoral nerves
24
Action of the pectoralis major
Adduction and medial rotation of the humerus
25
Origin of the latissimus dorsi
Spinous processes of T7-L5, iliac crest, and lower ribs
26
Insertion of the latissimus dorsi
Intertubercular groove of the humerus
27
Nerve that innervates the latissimus dorsi
Thoracodorsal nerve
28
Action of the latissimus dorsi
Extension, adduction, and medial rotation of the shoulder
29
Origin of the sternocleidomastoid
Manubrium of the sternum and medial clavicle
30
Insertion of the sternocleidomastoid
Mastoid process of the temporal bone
31
Nerve that innervates the sternocleidomastoid
Accessory nerve (cranial nerve XI)
32
Action of the sternocleidomastoid
Rotation and flexion of the neck
33
Origin of the gluteus maximus
Ilium, sacrum, and coccyx
34
Insertion of the gluteus maximus
Gluteal tuberosity of the femur and iliotibial tract
35
Nerve that innervates the gluteus maximus
Inferior gluteal nerve
36
Action of the gluteus maximus
Hip extension and lateral rotation
37
Origin of the hamstrings (biceps femoris, semitendinosus, semimembranosus)
Ischial tuberosity
38
Insertion of the hamstrings
Fibula (biceps femoris) and tibia (semitendinosus and semimembranosus)
39
Nerve that innervates the hamstrings
Sciatic nerve
40
Action of the hamstrings
Knee flexion and hip extension
41
Origin of the tibialis anterior
Lateral condyle and upper shaft of tibia
42
Insertion of the tibialis anterior
Medial cuneiform and base of the first metatarsal
43
Nerve that innervates the tibialis anterior
Deep fibular (peroneal) nerve
44
Action of the tibialis anterior
Dorsiflexion and inversion of the foot
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