Carol Hawthorne November 30, 2009 HPEZ 373
The serve
http://www.youtube. com/watch? v=4eeFzIZRUpg
Glenohumeral joint
Multiaxial ball & socket joint A.K.A. – enarthrodial Moves in all planes Most movable joint in the body Stability < Mobility
The Rotator Cuff
Phases
Phase 1: Horizontal Abduction Muscles involved: Deltoid, Infraspinatus, Teres Minor
Phase 2: Abduction Muscles involved: Supraspinatus, Deltoid
Phase 3: Flexion & Adduction Muscles involved: Pectoralis Major, Deltoid, Teres Major, Latissimus Dorsi, Coracobrachialis, & Subscapularis,
Glenohumeral Injuries
Isokinetic Peak Torque Ratios and Shoulder Injury: History in Adolescent Female Volleyball Athletes Christopher D. Stickley, PhD, ATC; Ronald K. Hetzler, PhD, FACSM; Bret
G. Freemyer, MS, ATC; Iris F. Kimura, PhD, PT, ATC
Glenohumeral Injuries
Isokinetic Scapular Muscle Performance in Overhead Athletes With and Without Impingement Symptoms Ann M. Cools; Erik E. Witvrouw; Nele N. Mahieu; Lieven A. Danneels
Muscle Length Tension
The need to strengthen!!
Why is this important to you?
Summary
Any Questions?