Create
Learn
Share

A&P P2 muscle insertions and origins

rename
winniesmith's version from 2017-01-28 22:05

Section 1

Question Answer
(Elbow flexors) Biceps brachiiO- (short head)coracoid process, (long head) supraglenoid tubercle- Scapula. I- tuberosity of radius. M- Flexion at elbow and shoulder; supination.
BrachialisO- humerus. I- Tuberosity of ulna. M- Flexion at elbow.
BrachioradialisO- (Ridge superior to lateral epicondyle) humerous. I- Styloid process of radius. M-Flexion at elbow.
(Elbow extension) Triceps brachiiO- humerus and (tubercle)scapula. I- Olecranon of ulna. M- extension of elbow, plus (long head) extension/adduction at shoulder.
memorize

Section 2

Question Answer
Pronator quadratusO- (Ant/medial surfaces)Distal portion of ulna. I- (Anterolateral)Distal portion of radius. M- pronation
Pronator teresO- Medial epicondyle of humerus & coronoid process of ulna. I- Midlateral radius. M- pronation
SupinatorO- Lateral epicondyle of humerous, ridge near radial notch of ulna. I- Anterolateral surface of radius (distal to radial tuberosity). M- Supination.
memorize

Section 3

Question Answer
Describe the extrinsic muscles of the handBellies in anterior compartment of forearm. Long tendons. Powerful grip
Describe the intrinsic muscles of the handBellies in hand. Small muscles. Many parallel. Allow precise movement.
What controls action at the hand (at wrist)Flexors (flexor carpi(2) and Palmaris longus) and extensors (Extensor carpi -3)
memorize

Section 4

Question Answer
(Thigh movement) Gluteus maximumO- LLIAC CREST, posterior gluteal line and lateral surface of ilium,sacrum,coccyx and toracolumbar fascia. I- Iliotibial tract and gluteal tuberosity of FEMUR. M- Extension/lateral rotation at hip
Gluteus mediusO- Ilium (anterior iliac crest) and post/anterior gluteal lines. I- Greater trochanter of femur. M- Abduction and medial rotation at hip
Gluteus minimusO- Ilium (lateral surface between infer/anterior gluteal lines). I- Greater trochanter of femur. M- Abduction and medial rotation at hip.
memorize

Section 5

Question Answer
(Thigh adductors) Adductor magnusO- inferior ramus of pubis, posterior to adductor brevis. I- Linea aspera and adductor tubercle of femur. M- Adduction at hip; superior-flexion&medial rotation. Inferior-extension &lateral rotation.
Adductor brevisO- inferior ramus of pubic. I- Linea aspera of femur. M- Adduction,flexion,medial rotation at hip.
Adductor longus O- inferior ramus of pubis, anterior to adductor brevis. I- Linea aspera of femur. M- Adduction,flexion, and medial rotation at hip.
PectineusO- Superior ramus of pubis. I- Pectineal line of femur (inferior to lesser trochanter). M- Flexion,medial rotation, and adduction at hip.
GracilisO- Inferior ramus of pubis. I- Medial surface of tibia inferior to medial condyle. M- Flexion at knee; adduction and medial rotation at hip.
memorize

Section 6

Question Answer
Thigh flexorsIliopsoas group
IliacusO-Iliac fossa of ilium. I- Femur (distal to lesser trochanter) tendon fused with that of psoas major. M- Flexion at hip
Psoas majorO- (anterior surfaces and tp) vertebrae T12-L5. I- Lesser trochanter in company with iliacus. M- Flexion at hip or lumber intervertebral joints.
memorize

Section 7

Question Answer
what makes up the hamstrings groupBiceps femoris, semimembranosus, semitendinosus.
Biceps femorisO- Femur (ischial tuberosity and linea aspera). I- Head of fibula, lateral condyle of tibia. M- flexion at knee, extension&lateral rotation at hip
SemimembranousO- Ischial tuberosity. I- medial condyle of tibia. M- Flexion at knee; extension and medial rotation at hip.
SemitendinosusO- Ischial tuberosity. I- tibia (near insertion of gracilis) M- Flexion at knee; extension and medial rotation at hip.
SatoriusO- iliac spine. I- tibia (near tibial tuberosity). M- Flexion at knee; flexion& lateral rotation at hip.
PopliteusO- Lateral condyle of femur. I- Proximal tibial shaft. M-Medial rotation of tibia (or lateral rotation at femur), flexion at knee.
memorize

Section 8

Question Answer
What makes up the quadriceps femoris groupRectus femoris, vastus lateralis, vastus intermedius, vastus medialis.
Rectus femorisO- iliac spine &superior acetabular rim of ilium. I- tibial tuberosity by patellar ligament. M- extension at knee; flexion at hip.
Vastus lateralis O- greater trochanter of femur and along linea aspera. I- tibial tuberosity by patellar ligament. M- Extension at knee.
Vastus intermediusO- femur & linea aspera. I- Tibial tuberosity by patellar ligament. M- extension at knee.
Vastus medialisO- entire length of linea aspera of femur. I- tibial tuberosity by patellar ligament. M- extension at knee.
memorize

Section 9

Question Answer
Muscles that move the foot; Plantar flexionGastrocnemius, Soleus
GastrocnemiusO- femoral condyles. I- Calcaneus by calcaneal tendon. M- Extension (plantar flexion) at ankle; inversion of foot; flexion at knee.
SoleusO- head/shaft of fibula and adjacent shaft of tibia. I- Calcaneus by calcaneal tendon. M- Extension at ankle.
Eversion and plantar flexion; Fibularis brevisO- fibula. I- base 5th metatarsal bone. M- eversion of foot, extension at ankle
Dorsiflexion; Tibialis anteriorO- Lateral condyle&shaft of tibia. I- base 1st metatarsal bone. M- flexion (dorsiflexion) at ankle, inversion of foot.
Eversion and plantar flexion; Fibularis LongusO- condyle of tibia, shaft of fibula. I- base 1st metatarsal bone. M- eversion of foot and extension (plantar flexion) at ankle.
memorize