M28 - Intro to Extremities

Question 1

Muscle &/or ligament attachment

Answer 1

Tubercle, tuberosity, trochanter, epicondyle, spine, process, crest, line

Question 2

Depression and openings

Answer 2

Foramen, groove, notch, fossa

Question 3

Joint surface

Answer 3

Head, facet, condyle

Question 4

Tubercle

Answer 4

Small rounded projection or process

Question 5

Tuberosity

Answer 5

Large rounded projection, may be roughened

Question 6

Trochanter

Answer 6

V large, irregularly shaped process

Question 7

Epicondyle

Answer 7

Raised area on or above a condyle

Question 8

Spine

Answer 8

Sharp, slender projection

Question 9

Process

Answer 9

Bony prominence

Question 10

Crest

Answer 10

Narrow prominent ridge or bone

Question 11

Line

Answer 11

Narrow ridge of bone

Question 12

Foramen

Answer 12

Round or oval opening thru a bone

Question 13

Notch

Answer 13

Indentation at edge of a bone

Question 14

Fossa

Answer 14

Shallow basin-like depression

Question 15

Head

Answer 15

Bony expansion carried on a narrow neck

Question 16

Facet

Answer 16

Smooth, near flat articular surface

Question 17

Condyle

Answer 17

Rounded articular projection

Question 18

Range of motion

Answer 18

Determined by muscle fiber length

Question 19

Force

Answer 19

Determined by cross-sectional area

Question 20

Pectoral girdle

Answer 20

Attaches upper limbs to trunk, attachment at small joint between clavicle and sternum

Question 21

Pelvic girdle

Answer 21

Attaches lower limbs to trunk, bigger + more stable jt between ilium and sacrum

Question 22

Agonist

Answer 22

Muscles that work together, helps prime mover

Question 23

Prime mover

Answer 23

Muscle that gives greatest contribution to movement

Question 24

Antagonist

Answer 24

Muscles that work against movement

Question 25

Synergist

Answer 25

Helps prime mover in several ways - contributes, stabilizes, cancel out unwanted