mm's Flashcards
TFL
O: ant iliac crest
I: ITB
N: superior gluteal n.
A: assists in flex, abd, and med rot at hip jt and assists in stabilizing kn in ext
Semitendinosus
O: Ischial tuberousity
I: Pes anserine
N: Sciatic n.-tibial portion
A: Flexes and med. rot legs assists in ext of hip
Ant. Scalenes
O: ant tubercles of TVPs C3-C6
I: tubercle and ridge of 1st rib - ant to groove for subclavian vein
N: Ventral Rami C4-C6
A: elevates 1st rib during forced inspiration, lat flex, flex, CL rot
Mid. Scalenes
O: post tubercles of TVPs C2-C7
I: sup surface of 1st rib- post to groove for subclavian vein
N: Ventral rami C3-C8
A: elevates 1st rib during forced inspiration, lat flex, flex, CL rot
Post. Scalenes
O: post tubercles of TVPs C4-C6
I: lat surface of 2nd rib
N: Ventral rami C6-C8
A: elevates 2nd rib during forced inspiration, lat flex, flex, CL rot
Lower Traps
O: T6-T12 SPs
I: spine of scap
N: accessory n.
A: sup rot and retraction of scap
Rhomboid +
O: SPs T2-T5
I: med border of scap below root
N: dorsal scapular n.
A: retracts, elevates and inf rot of scap
Rhomboid -
O: SP C7-T1
I: med border of scap- root and above
N: dorsal scapular n.
A: retracts, inf rot and elevates scap
SCM
O: sternal hd- ant surface of manubrium
clavicular hd- med 1/3 of clavcle
I: mastoid process and lat 1/3 of sup nuchal line
N: accessory n. and ventral rami C2-C3
A: flex, ipsil lat flex, CL rot, capital ext and elevates sternon and clavicle in forced inspiration
Abd Pollicis Longus
O: post surface of midde radius and ulna and interosseus membrane
I: base of first metacarpal
N: deep radial n.
A: abd and ext fist digit, assist with abd of CMC jt
Infraspinatus
O: infraspinous fossa
I: middle facet of greater tubercle of humerus and joint capsule
N: suprascapular n.
A: ER and stabilization of GH jt
Teres +
O: lower 1/3 of lat border of scap and across inf angle to med. border
I: medial lip of intertubercular sulcus (crest of lesser tubercle)
N: lower subscapular n.
A: add and med rot humerus
Subscap
O: subscapular fossa
I: lesser tubercle of humerus and joint capsule
N: upper and lower subscapular n.
A: med rot of humerus and stabilizer of GH jt
Splenius Capitis
O: SPs C7-T3 and inf 1/2 of nuchal lig
I: mastoid process and lat 1/3 of nuchal line
N: Dorsal Rami of spinal nerves
A: ext, lat flex, ipsil rot
Lev Scap
O: post tubercles of TVPs C1-C4
I: vertebral border of scap superior to spine
N: dorsal scapular n. and cervical n. C3&C4
A: elevates and inf rot scap, if SH is fixed ext & lat flex of cspine
Tib Ant
O: lat condyle and upper half of lat shaft of tib and interosseous membrane
I: med cuneiform and base of 1st metatarsal
N: deep peroneal n.
A: DF and inversion