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IMI Anterior O/I/A
Anterior O/I/A Review
Question | Answer |
---|---|
O: Anterior superior iliac spine (ASIS). I: Proximal, medial shaft of the tibia, pes anserinus tendon. | Sartorius |
A: Flexes the hip, laterally rotates the hip, abducts the hip, flex the knee, medially rotate the flexed knee. | Sartorius |
O: Proximal lateral surface of tibia and interosseous membrane. I: Medial cuneiform, base of the first metatarsal. | Tibialis Anterior |
A: Inverts the foot. Dorsiflexes the ankle. | Tibialis Anterior |
O: Cartilage of fifth, sixth, and seventh ribs, and xiphoid process. I: Pubic crest, pubic symphysis. | Rectus Abdominis |
A: Flexes the vertebral column. | Rectus Abdominis |
O: Common extensor tendon from lateral epicondyle of humerus. I: Middle and distal phalanges of second through fifth fingers. | Extensor Digitorum |
A: Extends the second through fifth fingers (metacarpophalangeal and interphalangeal joints). Assist in extension of wrist (radiocarpal joint). | Extensor Digitorum |
O: Lateral supracondylar ridge of humerus. I: Styloid process of radius. | Brachioradialis |
A: Flexes the elbow, assists in pronation and supination of the forearm when these movements are resisted. | Brachioradialis |
O: Middle anterior surface of fibula and interosseous membrane. I: Distal phalange of the first toe. | Extensor Hallucis Longus |
A: Extend the first toe, dorsi flexes the ankle, inverts the foot. | Extensor Hallucis Longus |
O: Calcaneus (plantar surface). I: Proximal phalange on the first toe (medial side)and medial sesamoid bone. | Abductor Hallucis |
A: Abducts the first toe, assists in flexion of the first toe. | Abductor Hallucis |
O: Short Head: Coracoid process of scapula. Long Head: Supraglenoid tubercle of scapula. I: Tuberosity of radius and aponeurosis of the biceps brachii. | Biceps Brachii |
A: Flexes the elbow, supinates the forearm, flexes shoulder. | Biceps Brachii |
O: Lower eight ribs. I: Anterior part of the iliac crest, abdominal aponeurosis at linea alba. | External Oblique |
A: Bilaterally: Flexes the vertebral column, compress abdominal contents. Unilaterally: Laterally flexes vertebral column to the same side, rotates vertebral column to opposite side. | External Oblique |
O: Posterior surface of radius and ulna, deep to extensors. I: Distal phalange of thumb. | Extensor Pollicis Longus |
A: Extend the thumb (interphalangeal joint), assist in extending the thumb (metacarpophalangeal joints). | Extensor Pollicis Longus |
O: Anterior inferior iliac spine (AIIS). I: Tibial Tuberosity. | Rectus Femoris |
A: Extend the knee, flexes the hip. | Rectus Femoris |
O: Coracoid process of scapula. I: Medial surface of mid-humeral shaft. | Coracobrachialis |
A: Flexes the shoulder, adducts the shoulder. | Coracobrachialis |
O: Humeral Head: Common flexor tendon from medial epicondyle of humerus. Ulnar Head: Posterior surface of proximal half of ulnar shaft. I: Pisiform. | Flexor Carpi Ulnaris |
A: Flexes the wrist (radiocarpal joint), adducts the wrist (radiocarpal joint), may flex the elbow (humeroulnar joint). | Flexor Carpi Ulnaris |
O: Oblique Head: Bases of se through fourth metatarsals. Transverse Head: Plantar ligament of third through fifth metatarsophalangeal joints. I: Lateral surface of base of proximal phalange of first toe and lateral sesamoid bone. | Adductor Hallucis |
A: Assist to maintain transverse arch of foot. | Adductor Hallucis |
O: Medial half of clavicle, sternum, cartilage of ribs one through six. I: Crest of greater tubercle of humerus. | Pectoralis Major |
A: Adducts the shoulder, medially rotates the shoulder, may assist in elevating the thorax in forced inhalation (if arm is fixed). | Pectoralis Major |
O: Third, fourth, and fifth ribs. I: Coracoid process of scapula. | Pectoralis Minor |
A: Depresses the scapula, abducts the scapula, tilts the scapula anteriorly, assist in forced inhalation (if scapula is fixed). | Pectoralis Minor |
O: Transverse processes of C2-C7. I: First rib. | Scalene |
A: Unilaterally: With the ribs fixed, laterally flex the head and neck to the same side, rotates head and neck to the opposite side. Bilaterally: Elevates the ribs during inhalation, flex the neck. | Scalene |
O: Bodies and transverse processes of lumbar vertebrae. I: Lesser trochanter of the femur. | Illiopsoas Major |
A: Flexes the hip, laterally rotates the hip, adducts the hip. | Illiopsoas Major |
O: Sternal Head: Top of manubrium. Clavicular Head: Medial one-third of the clavicle. I: Mastoid process of temporal bone, later superior nuchal line of occiput. | Sternocleidomastoid |
A: Unilaterally: Laterally flex head and neck to same side, rotate head and neck to opposite side. Bilaterally: Flex the neck, assist in inhalation (elevation of the rib cage). | Sternocleidomastoid |
O: Inferior ramus of pubis and ramus of ischium. I: Proximal, medial shaft of tibia at pes anserinus tendon. | Gracilis |
A: Adduct the hip, medially rotate the hip, flex the knee, medially rotate the flexed knee. | Gracilis |