Muscle Movements
Bending a joint (such as your knee) - making the angle between two bones smaller
flexion
closes the eye
orbicularis oculi
Name 2 muscles that flex shoulder
Pectoralis major, biceps brachii, anterior deltoid
DOUBLE $$$$$$$--- extends @ elbow, extends @ shoulder, adducts @ shoulder
triceps brachii
flexes @ hip, flexes @ knee, laterally rotates @ hip
sartorius
movement of a bone around its LONGITUDINAL axis.Ex: shaking your head "no" from side to side
rotation
elevates the mandible to close mouth
masseter
Name 2 muscles that ABduct @ shoulder
supraspinatus, middle deltoid
DOUBLE $$$----upper arm muscle that only flexes @ elbow
brachialis
Name 2 muscles that flex @ hip and adduct @ hip
pectineus, adductor longus, adductor magnus (not gracilis-it adducts at hip but flexes at knee)
DOUBLE $$$ ---- movement of a limb towards the midline of the bodyEx: bringing your arms closer to your body
Adduction
thin muscle that helps lower mandible, also pulls corner of mouth down when you frown
platysma
Name 4 muscles that flex @ hip
iliacus, psoas major, tensor fasciae latae, sartorius, pectineus, adductor longus, adductor magnus, rectus femoris (not gracilis-it flexes at knee)
Name the 2 forearm muscles that rotate your forearm to be positioned thumbs out and thumbs in. Their names indicate their movements.
supinator and pronator
name 4 muscles that extend at knee, and state which one also flexes @ hip
Quadriceps Group (rectus femoris (extends @ knee + flexes @ hip), vastus lateralis, vastus medialis, vastus intermedius)
A special form of rotation--turning your palm so that it faces in towards your body (thumbs in, next to your body)
pronation
laterally located muscle that depresses (lowers) hyoid bone
omohyoid
Name one muscle that extends the spine (vertebral column)
longissimus thoracis, iliocostalis thoracis
extends @ interphalangeal joints of 3 middle fingers
extensor digitorum
Name 2 muscles that ABduct @ hip
Tensor fasciae latae + gluteus medius
lifting your toes up off the ground towards your head while heel stays on ground
dorsiflexion
DOUBLE $$$----Main muscle that lowers the mandible
digastric
Name 2 muscles that laterally rotate shoulder
Infraspinatus, teres minor
flexes wrist and ABducts @ wrist
flexor carpi radialis
4 muscles that extend @ hip
gluteus maximus, biceps femoris, semitendinosus, semimembranosus
Turning the soles of you feet laterally
eversion
medial muscle that depresses hyoid bone
sternohyoid
DOUBLE $$$---- set of 3 muscles that elevate ribs & flex @ neck
scalenes
Name the 2 muscles that extend and ABduct @ wrist
extensor carpi radialis brevis, extensor carpi radialis longus
DOUBLE $$$----name muscle that laterally rotates @ hip, and muscle that medially rotates @ hip
Sartorius + Piriformis --laterally rotate
gluteus medius -----medially rotates @hip