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BIOL 319 - AOIs
| Question | Answer |
|---|---|
| A of Obturator Internus | laterally rotates extended thigh |
| O of Obturator Internus | Obturator foramen margin |
| I of Obturator Internus | Greater trochanter of femur |
| A of Flexor Hallucis | Flexes great toe |
| O of Flexor Hallucis | Fibula |
| I of Flexor Hallucis | Distal phalanx 1 |
| A of Lumbricals, foot | Flexes metatarsophalangeal joints |
| O of Lumbricals, foot | Flexor digitorum longus tendons |
| I of Lumbricals, foot | Proximal phalanges 2-5 |
| A of Extensor hallucis | Extends great toe |
| O of Extensor hallucis | Fibula |
| I of Extensor hallucis | Distal phalanx 1 |
| A of Ischiocavernosus | Maintains erection |
| O of Ischiocavernosus | Ischial tuberosity |
| I of Ischiocavernosus | Corpus cavernosa of penis/clitoris |
| A of Serratus ventralis | Holds scapula to chest wall |
| O of Serratus ventralis | Ribs |
| I of Serratus ventralis | Anteromedial scapula |
| A of Palmar interossei, foot | Adducts toes |
| O of Palmar interossei, foot | Metatarsals |
| I of Palmar interossei, foot | Proximal phalanges |
| A of Dorsal interossei, foot | Abducts toes |
| O of Dorsal interossei, foot | Metatarsals |
| I of Dorsal interossei, foot | Proximal phalanges |
| O of Pectineus | Pubis |
| I of Pectineus | Linea aspera of femur |
| A of Subscapularis | Medially rotates humerus |
| O of Subscapularis | Subscapular fossa |
| I of Subscapularis | Lesser tubercle of humerus |
| A of Supraspinatus | Stabilizes shoulder joint |
| O of Supraspinatus | Supraspinous fossa of scapula |
| I of Supraspinatus | Greater tubercle of humerus |
| A of Infraspinatus | Stabilizes shoulder joint; laterally rotates humerus |
| O of Infraspinatus | Infraspinous fossa of scapula |
| I of Infraspinatus | Greater tubercle of humerus |
| A of Teres minor | Stabilizes shoulder joint; laterally rotates humerus |
| O of Teres minor | Scapula |
| I of Teres minor | Greater tubercle of humerus |
| A of Peroneus longus | Plantar flexes, everts foot |
| O of Peroneus longus | Head of fibula |
| I of Peroneus longus | Metatarsal 1 |
| A of Opponens pollicis | Opposition of thumb |
| O of Opponens pollicis | Flexor retinaculum |
| I of Opponens pollicis | Metacarpal 1 |
| A of Palmaris longus | (weak) Wrist flexor |
| O of Palmaris longus | Common flexor tendon |
| I of Palmaris longus | Palmar aponeurosis |
| A of Tensor fasciae latae | Abducts thigh |
| O of Tensor fasciae latae | Iliac crest |
| I of Tensor fasciae latae | Iliotibial tract |
| A of Gluteus maximus | Extends thigh |
| O of Gluteus maximus | Ilium; sacrum; coccyx |
| I of Gluteus maximus | Gluteal tuberosity of Femur |
| A of Teres major | Extends, medially rotates, adducts humerus |
| O of Teres major | Scapula |
| I of Teres major | Intertubercular groove of humerus |
| A of Peroneus brevis | Plantar flexes, everts foot |
| O of Peroneus brevis | Distal fibula |
| I of Peroneus brevis | Metatarsal 5 |
| A of Gastrocnemius | Plantar flexes foot |
| O of Gastrocnemius | Medial and lateral condyles of femur |
| I of Gastrocnemius | Calcaneal tendon |
| A of Coracobrachialis | Flexes, adducts humerus |
| O of Coracobrachialis | Coracoid process of scapula |
| I of Coracobrachialis | Humerus |
| A of Triceps brachii, medial head | Extends forearm |
| O of Triceps brachii, medial head | Posterior humerus |
| I of Triceps brachii, medial head | Olecranon process of ulna |
| A of Soleus | Plantar flexes foot |
| O of Soleus | Superior tibia and fibula |
| I of Soleus | Calcaneal tendon |
| A of Biceps brachii, long head | Flexes elbow, supinates forearm |
| O of Biceps brachii, long head | Glenoid cavity |
| I of Biceps brachii, long head | Radial tuberosity |
| A of Biceps brachii, short head | Flexes elbow, supinates forearm |
| O of Biceps brachii, short head | Coracoid process of scapula |
| I of Biceps brachii, short head | Radial tuberosity |
| O of Gracilis | Pubis, ischial ramus |
| I of Gracilis | Medial tibia |
| A of Flexor carpi radialis | Flexes wrist |
| O of Flexor carpi radialis | Common flexor tendon |
| I of Flexor carpi radialis | Base of lateral # metacarpals |
| A of Lumbricals, hand | Flexes metacarpophalangeal joints |
| O of Lumbricals, hand | Flexor digitorum profundus tendons |
| I of Lumbricals, hand | Proximal phalanges 2-5 |
| A of Vastus intermedialis | Extends knee |
| O of Vastus intermedialis | Anterolateral proximal femur |
| I of Vastus intermedialis | Tibial tuberosity via patellar ligament |
| A of Geniohyoid | Pulls hyoid bone superiorly |
| O of Geniohyoid | Mandibular symphysis |
| I of Geniohyoid | Hyoid bone |
| A of Abductor pollicis brevis | Abducts thumb |
| O of Abductor pollicis brevis | Flexor retinaculum |
| I of Abductor pollicis brevis | Base of proximal phalanx 1 |
| A of Brachialis | Flexes forearm |
| O of Brachialis | Humerus |
| I of Brachialis | Coranoid process of ulna |
| A of Flexor digitorum profundus | Flexes fingers |
| O of Flexor digitorum profundus | Common flexor tendon |
| I of Flexor digitorum profundus | Distal phalanges 2-5 |
| A of Supinator | Supinates forearm |
| O of Supinator | Lateral epicondyle of humerus |
| I of Supinator | Proximal radius |
| A of Adductor longus | Adducts, medially rotates thigh |
| O of Adductor longus | Pubis |
| I of Adductor longus | Linea aspera of femur |
| A of Plantaris | Plantar flexes foot, flexes knee |
| O of Plantaris | Distal posterior femur |
| I of Plantaris | Calcaneal tendon |
| A of Flexor digitorum longus | Flexes toes |
| O of Flexor digitorum longus | Tibia |
| I of Flexor digitorum longus | Distal phalanges 2-5 |
| A of Scalenes | Flexes, rotates neck |
| O of Scalenes | Transverse processes of cervical vertebrae |
| I of Scalenes | Anterolateral ribs |
| A of Adductor pollicis | Adducts thumb |
| O of Adductor pollicis | Metacarpal bases |
| I of Adductor pollicis | Base of proximal phalanx 1 |
| A of Flexor pollicis longus | Flexes thumb |
| O of Flexor pollicis longus | Common flexor tendon |
| I of Flexor pollicis longus | Distal phalanx 1 |
| A of External oblique | Flexes vertebral column |
| O of External oblique | Outer surfaces of ribs |
| I of External oblique | Pubic crest and tubercle; linea alba; iliac crest |
| A of Extensor carpi radialis longus | Extends wrist |
| O of Extensor carpi radialis longus | Common extensor tendon |
| I of Extensor carpi radialis longus | Base of lateral # metacarpals |
| A of Extensor carpi radialis brevis | Extends wrist |
| O of Extensor carpi radialis brevis | Common extensor tendon |
| I of Extensor carpi radialis brevis | Base of lateral # metacarpals |
| A of Rectus femoris | Extends leg at knee, flexes thigh |
| O of Rectus femoris | Anterior inferior iliac spine |
| I of Rectus femoris | Tibial tuberosity via patellar ligament |
| A of Adductor brevis | Adducts, medially rotates thigh |
| O of Adductor brevis | Pubis |
| I of Adductor brevis | Linea aspera of femur |
| A of Peroneus tertius | Dorsiflexes, everts foot |
| O of Peroneus tertius | Distal anterior fibula |
| I of Peroneus tertius | Distal metatarsal 5 |
| A of Piriformis | Laterally rotates extended thigh |
| O of Piriformis | Anterolateral sacrum |
| I of Piriformis | Greater trochanter of femur |
| A of Digastric | Elevates hyoid bone |
| O of Digastric | Medial mandible and mastoid process of temporal bone |
| I of Digastric | Hyoid bone |
| A of Stylohyoid | Elevates and retracts hyoid |
| O of Stylohyoid | Styloid process of temporal bone |
| I of Stylohyoid | Hyoid bone |
| A of Mylohyoid | Elevates hyoid and floor of mouth |
| O of Mylohyoid | Medial surface of mandible |
| I of Mylohyoid | Hyoid bone |
| A of Sternohyoid | Depresses larynx and hyoid bone |
| O of Sternohyoid | Manubrium, medial end of clavicle |
| I of Sternohyoid | Hyoid bone |
| A of Sternothyroid | Depresses larynx and thyroid cartilage |
| O of Sternothyroid | Manubrium |
| I of Sternothyroid | Thyroid cartilage |
| A of Obturator externus | Laterally rotates extended thigh |
| O of Obturator externus | Obturator foramen margin |
| I of Obturator externus | Trochanteric fossa of femur |
| A of Rhomboideus | Retracts scapula |
| I of Rhomboideus | Medial border of scapula |
| A of Frontalis | Raises eyebrows |
| A of Orbicularis oculi | Blinking and squinting |
| A of Zygomaticus | Draws lateral corners of mouth upward |
| A of Levator labii superioris | Raises upper lip |
| A of Depressor labii inferioris | Lowers bottom lip |
| A of Sartorius | Abducts, laterally rotates thigh |
| O of Sartorius | Anterior superior iliac spine |
| I of Sartorius | Medial proximal tibia |
| A of Gluteus minimus | Abducts and medially roates thigh |
| O of Gluteus minimus | Gluteal lines of ilium |
| I of Gluteus minimus | Greater trochanter of femur |
| A of Vastus medialis | Extends knee |
| O of Vastus medialis | Intertrochanteric line of femur |
| I of Vastus medialis | Tibial tuberosity via patellar ligament |
| A of Flexor carpi ulnaris | Flexes wrist |
| O of Flexor carpi ulnaris | Common flexor tendon |
| I of Flexor carpi ulnaris | Base of medial # metacarpals |
| A of Psoas | Flexes thigh |
| I of Psoas | Lesser trochanter of femur |
| A of Iliacus | Flexes thigh |
| O of Iliacus | Iliac fossa and crest |
| I of Iliacus | Lesser trochanter of femur |
| A of Extensor pollicis longus | Extends thumb |
| O of Extensor pollicis longus | Dorsal radius; ulna |
| I of Extensor pollicis longus | Base of distal phalanx 1 |
| A of Thyrohyoid | Depresses hyoid; elevates larynx |
| O of Thyrohyoid | Thyroid cartilage |
| I of Thyrohyoid | Hyoid bone |
| A of Pharyngeal constrictor muscles | Constricts pharynx |
| O of Pharyngeal constrictor muscles | Mandible, hyoid |
| I of Pharyngeal constrictor muscles | Posterior pharynx |
| A of Abductor pollicis longus | Abducts thumb |
| O of Abductor pollicis longus | Posterior radius; ulna |
| I of Abductor pollicis longus | Base of first metacarpal |
| A of Sternocleidomastoid | Flexes head |
| O of Sternocleidomastoid | Manubrium, medial end of clavicle |
| I of Sternocleidomastoid | Mastoid process of temporal bone,superior nuchal line nuchae of Occipital bone |
| A of Splenius | Extends/hyperextends head |
| A of Iliocostalis | Extends vertebral column |
| O of Iliocostalis | Ribs 3-12 |
| I of Iliocostalis | Angles of ribs, transverse processes of cervical vertebrae |
| A of Trapezius | Retracts, rotates, stabilizes, raises scapula |
| O of Trapezius | Occipital bone; ligamentum nuchae; cervical and thoracic spines |
| I of Trapezius | Acromion, spine of scapula, lateral 1/3 clavicle |
| A of Semispinalis | Extends vertebral column and head |
| O of Semispinalis | Transverse processes C7-T12 |
| I of Semispinalis | Occipital bone, cervical spines |
| A of Levator scapulae ventralis | Elevates scapula |
| O of Levator scapulae ventralis | Transverse processes C1-4 |
| I of Levator scapulae ventralis | Medial border of scapula |
| A of Orbicularis oris | Closes and protrudes lips |
| A of Masseter | Elevates and retracts mandible |
| O of Masseter | Zygomatic arch and maxilla |
| I of Masseter | Angle and ramus of mandible |
| A of Deltoid | Adducts arm |
| O of Deltoid | Acromion, sprine of scapula, lateral 1/3 clavicle |
| I of Deltoid | Deltoid tuberosity of humerus |
| A of External intercostals | Elevates rib cage |
| O of External intercostals | Inferior border of rib above |
| I of External intercostals | Superior border of rib below |
| A of Pronator teres | Pronates forearm |
| O of Pronator teres | Medial epicondyle of humerus |
| I of Pronator teres | Lateral radius |
| A of Triceps brachii, long head | Extends forearm |
| O of Triceps brachii, long head | Ingraglenoid tubercle of scapula |
| I of Triceps brachii, long head | Olecranon process of ulna |
| A of Triceps brachii, lateral head | Extends forearm |
| O of Triceps brachii, lateral head | Posterior shaft of humerus |
| I of Triceps brachii, lateral head | Olecranon process of ulna |
| A of Temporalis | Elevates and retracts mandible |
| O of Temporalis | Temporal fossa |
| I of Temporalis | Coronoid process of mandible |
| A of Gluteus medius | Abducts, medially rotates thigh |
| O of Gluteus medius | Gluteal lines of ilium |
| I of Gluteus medius | Greater trochanter of femur |
| A of Biceps femoris, long head | Extends thigh, flexes leg at knee |
| O of Biceps femoris, long head | Ischial tuberosity |
| I of Biceps femoris, long head | Fibula and tibia |
| A of Biceps femoris, short head | Extends thigh, flexes leg at knee |
| O of Biceps femoris, short head | Linea aspera of femur |
| I of Biceps femoris, short head | Fibula and tibia |
| A of Internal intercostals | Depresses rib cage |
| O of Internal intercostals | Superior border of rib below |
| I of Internal intercostals | Costal groove of rib above |
| A of Diaphragm | Increases intra-abdominal pressure |
| O of Diaphragm | Internal, inferior rib cage and sternum; costal cartilage of last ribs; lumbar vertebrae |
| I of Diaphragm | Central tendon |
| A of Extensor digitorum | Extends fingers |
| O of Extensor digitorum | Common extensor tendon |
| I of Extensor digitorum | Distal phalanges 2-5 |
| A of Extensor carpi ulnaris | Extends wrist |
| O of Extensor carpi ulnaris | Common extensor tendon |
| I of Extensor carpi ulnaris | Base of medial # metacarpals |
| A of Medial pterygoid | Elevates and protrudes mandible |
| O of Medial pterygoid | Pterygoid process of sphenoid bone |
| I of Medial pterygoid | Medial surface of mandible near angle |
| A of Latissimus dorsi | Extends, adducts arm |
| I of Latissimus dorsi | Intertubercular groove of humerus |
| A of Brachioradialis | Flexes forearm |
| O of Brachioradialis | Humerus |
| I of Brachioradialis | Styloid process of radius |
| A of Palmar interossei, hand | Adducts fingers |
| O of Palmar interossei, hand | Metacarpals |
| I of Palmar interossei, hand | Proximal phalanges |
| A of Rectus abdominis | Flexes, rotates vertebral column |
| O of Rectus abdominis | Pubic creast |
| I of Rectus abdominis | Xiphoid process; costal cartilages |
| A of Lateral pterygoid | Protrudes mandible |
| O of Lateral pterygoid | Pterygoid process of spenoid bone |
| I of Lateral pterygoid | Mandibular condyle |
| A of Flexor pollicis brevis | Flexes thumb |
| O of Flexor pollicis brevis | Flexor retinaculum |
| I of Flexor pollicis brevis | Base of proximal phalanx 1 |
| A of Pectoralis minor | Draws scapula downward and forward |
| O of Pectoralis minor | Anterior surfaces of ribs |
| I of Pectoralis minor | Coracoid process of scapula |
| A of Opponens digiti minimi | Opposition of little finger |
| O of Opponens digiti minimi | Flexor retinaculum |
| I of Opponens digiti minimi | Metacarpal 5 |
| A of Vastus lateralis | Extends knee |
| O of Vastus lateralis | Intertrochanteric line of femur |
| I of Vastus lateralis | Tibial tuberosity via patellar ligament |
| A of Buccinator | Draws corners of mouth laterally |
| O of Buccinator | Mandible and maxilla |
| I of Buccinator | Orbicularis oris |
| A of Dorsal interossei, hand | Abducts fingers |
| O of Dorsal interossei, hand | Metacarpals |
| I of Dorsal interossei, hand | Proximal phalanges |
| A of Semitendinosus | Extends thigh, flexes leg at knee |
| O of Semitendinosus | Ischial tuberosity |
| I of Semitendinosus | Tibia |
| A of Semimembranosus | Extends thigh, flexes leg at knee |
| O of Semimembranosus | Ischial tuberosity |
| I of Semimembranosus | Tibia |
| A of Coccygeus | Supports pelvic viscera |
| O of Coccygeus | Ischial spine |
| I of Coccygeus | Sacrum and coccyx |
| A of Sphincter urethrae | Contricts urethra |
| A of Pectoralis major | Flexes arm |
| O of Pectoralis major | Clavicle, sternum, costal cartilage |
| I of Pectoralis major | Intertubercular groove of humerus |
| A of Genioglossus | Protrudes tongue |
| O of Genioglossus | Internal surface of mandibular symphysis |
| I of Genioglossus | Inferior tongue; body of hyoid |
| A of Hyoglossus | Depresses tongue |
| O of Hyoglossus | Hyoid bone |
| I of Hyoglossus | Inferolateral tongue |
| A of Tibialis anterior | Dorsiflexes, inverts foot |
| O of Tibialis anterior | Lateral condyle and proximal tibia |
| I of Tibialis anterior | Metatarsal 1 |
| A of Extensor digitorum longus | Extends toes |
| O of Extensor digitorum longus | Tibia and fibula |
| I of Extensor digitorum longus | Distal phalanges 2-5 |
| A of Styloglossus | Retracts tongue |
| O of Styloglossus | Styloid process of temporal bone |
| I of Styloglossus | Inferior tongue |
| A of Occipitalis | Pulls scalp posteriorly |
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