Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Muscular System
Part A-Insertion, Origins, Actions
| Question | Answer | ||
|---|---|---|---|
| Masseter | O: Maxilla and Zygomatic arch | I: Mandible | A: Elevates mandible (jaw closure) |
| Sternocleidomastoid | O: Sternum and Clavicle of temporal bone | I: Mastoid process | A: Stimultaneous contraction flexes neck; acting singly laterally rotates head |
| External Oblique | O:Ribs 5-12 | I:Iliac crest and linea alba | A:Acting t/g, flexes vertebral column and compresses abdomen; acting singly laterally flexes vertebral column |
| Rectus Abdominis | O:Pubic crest and pubic symphysis cartilages of ribs 5-7 | I:Xiphoid process and costal | A:Flexes vertebral column compresses abdomen |
| Trapezius | O:Occipital bone, spine of C7, and all thoracic vertebrae | I:Acromion and spine of scapula and clavicle | A:Stablizes, elevates, retracts, and rotates scapula |
| Rhomboideus Major | O:Spinous processes T2-T5 | I:Vertebral (medial) border of scapula | A:Retracts scapula |
| Serratus Anterior | O:Ribs 1-8 | I:Vertebral (medial) border of scapula | A:Protracts scapula |
| Petorails Major | O:Clavicle, sternum, costal cartilage of ribs 1-6 | I:Greater tubercle and intertubercular groove (sulcus) of humerus | A:Flexes, adducts, and medially rotates arm (shoulder) |
| Deltoid | O:Clavicle, acromion, and spine of scapula | I:Deltoid tuberosity of humerus | A:Flexes, adducts, and extends arm (shoulder) |
| Latissimus dorsi | O:Spinous processes of T6-L5, sacrum and ilium | I:Intertubercular groove (sulcus) of humerus | A:Adducts, extends, and medially rotates arm (shoulder) |
| Supraspinatus | O:Supraspinous fossa of scapula | I:Greater tubercle of humerus | A:Abducts arm (shoulder) |
| Infraspinatus | O:Infraspinatus fossa of scapula | I:Greater tubercle of humerus | A:Adducts and laterally rotates arm (shoulder) |
| Teres Minor | O:Inferior lateral border of scapula | I:Greater tubercle of humerus | A:Adducts, extends, and laterally rotates arm (shoulder) |
| Subscapularis | O:Subscapular fossa of scapula | I:Lesser tubercle of humerus | A:Adduccts, extends, and laterally rotates arm (shoulder) |
| Biceps brachii | O:Short Head-coracois process of scapula Long Head-above glenoid cavity | I:Radial tuberosity of radius | A:Flexes and supinates forearm (elbow) |
| Triceps brachii | O:Posterior humerus and below glenoid cavity | I:Olecranon process of ulna | A:Extends foreman (elbow) |
| Brachialis | O:Distal humerus | I:Coronoid process of ulna | A:Flexes forearm )elbow) |
| Brachioradials | O:Distal humerus | I:Styloid process of radius | A:Flexes forearm (elbow) |
| Flexor carpi radialis | O:Medial epicondyle of humerus | I:2nd and 3rd metacarpals | A:Flexes wrist, abducts hand (radial deviation) |
| Flexor carpi ulnaris | O:Medial epicondyle of humerus and olecranon process | I:5th metacarpal and lateral carpal bones | A:Flexes wrist, adducts hand (ulnar deviation) |
| Flexor digitorum profundus | O:Anterior medial surface of ulna | I:Distal phalanges of digits 2-5 | A:Flexes wrist and digits 2-5 |
| Extensor carpi radialis longus | O:Distal humerus | I:2nd metacarpal | A:Extends wrist, abducts hand (radial deviation) |
| Extensor digitorum | O:Lateral epicondyle humerus | I:Distal and middle phalanges of digits 2-5 | A:Extends wrist and digits 2-5 |
| Extensor carpi ulnaris | O:Lateral epicondyle of humerus | I:5th metacarpal | A:Extends wrist, adducts hand (ulnar deviation) |
| Iliacus | O:Iliac fossa | I:Lesser trochanter of femur | A:Flexes and laterally rotates thigh |
| Psoas major | O:Lumbar vertebra | I:Lesser trochanter of femur | A:Flexes and laterally rotates thigh |
| Gluteus maximus | O:Iliac crest, sacrum, and coccyx | I:Upper part of linea aspera and iliotibial tract | A:Extends and laterally rotates thigh |
| Gluteus medius | O:Ilium | I:Greater trochanter of femur | A:Abducts and medially rotates thigh |
| Tensor fasciae latae | O:Iliac crest | I:Tibia via iliotibial tract | A:Flexes and abducts thigh |
| Adductor magnus | O:Pubis and ischium | I:Linea aspera of femur I:Linea aspera of femur | A:Adducts and extends thigh |
| Adductor longus | O:Pubic crest and pubic symphysis | I:Linea aspera of femur | A:Adducts and flexes thigh |
| Rectus femoris | O:Anterior Inferior iliac spine | I:Tibial tuberosity via patellar ligament | A:Extends leg (knee), flexes thigh (hip) |
| Vastus medialis | O:Linea aspera of femur | I:Tibial tuberosity via patellar ligament | A:Extends leg (knee) |
| Vastus lateralis | O:Greater trochanter and linea aspera of femur | I:Tibial tuberostiy via patellar ligament | A:Extends leg (knee) |
| Vastus intermedius | O:Anterior femur | I:Tibial tuberosity via patellar I:Tibial tuberosity via patellar ligament | A:Extends leg (knee) |
| Sartorius | O:Anterior superior iliac spine | I:Medial tibia | A:Flexes leg (knee, flexes, abducts, and laterally rotates thigh (hip) |
| Biceps femoris | O:Ischial tuberosity and linea aspera of femur | I:Head of fibula and lateral condyle of tibia | A:Flexes leg (knee), extends thigh (hip) |
| Semitendinosus | O:Ischial tuberosity | I:Proximal tibia | A:Flexes leg (knee), extends thigh (hip) |
| Semimembranosus | O:Ischial tuberosity | I:Medial condyle of tibia | A:Flexes leg (knee), extends thigh (hip) |
| Tibialis anterior | O:Proximal tibia | I:1st metatarsal | A:Dorsiflexes and inverts foot (ankle) |
| Gastrocnemius | O:Lateral and medial condyles of femur | I:Calcaneus via calcaneal (Achilles) tendon | A:Plantar flexes foot (ankle), flexes leg (knee) |
| Soleus | O:Head of fibula and medial tibia | I:Calcaneus via calcaneal (Achilles) tendon | A:Plantar flexes foot |
Created by:
sweetlatrece
Popular Anatomy sets