The following are some brief summary case histories of common problems that you can address in your fitness program, including key things to add and avoid:
CASE HISTORY #1: ROUNDED SHOULDERS
Likely Injury: Rotator Cuff, Impingement, Biceps Tendonitis
Add to program: Chest stretch, reverse fly, scaption, close grip row, external rotation/rotator cuff strengthening
Avoid: Overhead shoulder exercise, incline chest press, front row, behind neck exercises
CASE HISTORY #2: KNOCK KNEES
Likely Injury: ACL/MCL Tear, possibly knee or hip pain, frequent ankle sprains
Add to program: Side Lying Leg Lift, Single Leg Press/Squat, Hip stretch, IT Band Stretch
Avoid: Adductor
CASE HISTORY #3: EXTERNALLY ROTATED FEET
Likely Injury: Plantar Fascitis, Achilles Tendinitis, calf cramps, frequent ankle sprains
Add to program: Foam Roll and stretch calves, toe raises, side lying leg lift, single leg press/squat
Avoid: Calf raises
CASE HISTORY #4: ARCHED BACK
Likely Injury:
Low Back Pain, Disk injuries
Add to program: Planks, lower body and back stretching, unstable exercises
Avoid: Excessive hip flexion and abdominal flexion (sitting, leg raises, crunches)
CASE HISTORY #5: POOR BALANCE
Likely Injury: Slips and Falls, Hip Fracture
Add to program: Single leg exercises, core strengthening
Avoid: Extended periods of sitting